prepare 2.8.0-SNAPSHOT (#3243)

diff --git a/archetypes/business-service-jaxrs/pom.xml b/archetypes/business-service-jaxrs/pom.xml
index 3e5d1ad..e62a283 100644
--- a/archetypes/business-service-jaxrs/pom.xml
+++ b/archetypes/business-service-jaxrs/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>archetypes</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
 
   <groupId>org.apache.servicecomb.archetypes</groupId>
diff --git a/archetypes/business-service-pojo/pom.xml b/archetypes/business-service-pojo/pom.xml
index f8e0e45..801b7a7 100644
--- a/archetypes/business-service-pojo/pom.xml
+++ b/archetypes/business-service-pojo/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>archetypes</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
 
   <groupId>org.apache.servicecomb.archetypes</groupId>
diff --git a/archetypes/business-service-spring-boot2-starter/pom.xml b/archetypes/business-service-spring-boot2-starter/pom.xml
index 6849c5b..f90c554 100644
--- a/archetypes/business-service-spring-boot2-starter/pom.xml
+++ b/archetypes/business-service-spring-boot2-starter/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>archetypes</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
 
   <groupId>org.apache.servicecomb.archetypes</groupId>
diff --git a/archetypes/business-service-springmvc/pom.xml b/archetypes/business-service-springmvc/pom.xml
index 4ca671b..70d7fea 100644
--- a/archetypes/business-service-springmvc/pom.xml
+++ b/archetypes/business-service-springmvc/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>archetypes</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
 
   <groupId>org.apache.servicecomb.archetypes</groupId>
diff --git a/archetypes/pom.xml b/archetypes/pom.xml
index d56a943..dd922aa 100644
--- a/archetypes/pom.xml
+++ b/archetypes/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>java-chassis-parent</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
     <relativePath>../parents/default</relativePath>
   </parent>
 
diff --git a/clients/config-center-client/pom.xml b/clients/config-center-client/pom.xml
index 868e56c..a6c6c8a 100644
--- a/clients/config-center-client/pom.xml
+++ b/clients/config-center-client/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <artifactId>clients</artifactId>
     <groupId>org.apache.servicecomb</groupId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/clients/config-common/pom.xml b/clients/config-common/pom.xml
index 097c3e2..0567ec5 100644
--- a/clients/config-common/pom.xml
+++ b/clients/config-common/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <artifactId>clients</artifactId>
         <groupId>org.apache.servicecomb</groupId>
-        <version>2.7.6</version>
+        <version>2.8.0-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/clients/config-kie-client/pom.xml b/clients/config-kie-client/pom.xml
index 40aa49f..f956512 100644
--- a/clients/config-kie-client/pom.xml
+++ b/clients/config-kie-client/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <artifactId>clients</artifactId>
         <groupId>org.apache.servicecomb</groupId>
-        <version>2.7.6</version>
+        <version>2.8.0-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/clients/dashboard-client/pom.xml b/clients/dashboard-client/pom.xml
index 0f8d005..2713ba5 100644
--- a/clients/dashboard-client/pom.xml
+++ b/clients/dashboard-client/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <artifactId>clients</artifactId>
         <groupId>org.apache.servicecomb</groupId>
-        <version>2.7.6</version>
+        <version>2.8.0-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/clients/http-client-common/pom.xml b/clients/http-client-common/pom.xml
index 1b0a99b..2172533 100644
--- a/clients/http-client-common/pom.xml
+++ b/clients/http-client-common/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <artifactId>clients</artifactId>
     <groupId>org.apache.servicecomb</groupId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/clients/pom.xml b/clients/pom.xml
index 5dff46e..8383d42 100644
--- a/clients/pom.xml
+++ b/clients/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>java-chassis-parent</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
     <relativePath>../parents/default</relativePath>
   </parent>
   <modelVersion>4.0.0</modelVersion>
diff --git a/clients/service-center-client/pom.xml b/clients/service-center-client/pom.xml
index 39aa55f..b3bff6e 100755
--- a/clients/service-center-client/pom.xml
+++ b/clients/service-center-client/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <artifactId>clients</artifactId>
     <groupId>org.apache.servicecomb</groupId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/common/common-access-log/pom.xml b/common/common-access-log/pom.xml
index 24bbf41..bc880d3 100644
--- a/common/common-access-log/pom.xml
+++ b/common/common-access-log/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <artifactId>common</artifactId>
     <groupId>org.apache.servicecomb</groupId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/common/common-protobuf/pom.xml b/common/common-protobuf/pom.xml
index 86ccf04..0281a8d 100644
--- a/common/common-protobuf/pom.xml
+++ b/common/common-protobuf/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>common</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
   <artifactId>common-protobuf</artifactId>
   <name>Java Chassis::Common::Protobuf</name>
diff --git a/common/common-rest/pom.xml b/common/common-rest/pom.xml
index d71bbd2..f0b1746 100644
--- a/common/common-rest/pom.xml
+++ b/common/common-rest/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>common</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
 
   <artifactId>common-rest</artifactId>
diff --git a/common/pom.xml b/common/pom.xml
index 2078117..04ffad0 100644
--- a/common/pom.xml
+++ b/common/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>java-chassis-parent</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
     <relativePath>../parents/default</relativePath>
   </parent>
   <artifactId>common</artifactId>
diff --git a/core/pom.xml b/core/pom.xml
index 31adf2e..9483442 100644
--- a/core/pom.xml
+++ b/core/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>java-chassis-parent</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
     <relativePath>../parents/default</relativePath>
   </parent>
   <artifactId>java-chassis-core</artifactId>
diff --git a/coverage-reports/pom.xml b/coverage-reports/pom.xml
index bfbcad9..9ceac0a 100644
--- a/coverage-reports/pom.xml
+++ b/coverage-reports/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>java-chassis-parent</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
     <relativePath>../parents/default</relativePath>
   </parent>
   <modelVersion>4.0.0</modelVersion>
diff --git a/demo/demo-crossapp/crossapp-client/pom.xml b/demo/demo-crossapp/crossapp-client/pom.xml
index 4514e82..f020760 100644
--- a/demo/demo-crossapp/crossapp-client/pom.xml
+++ b/demo/demo-crossapp/crossapp-client/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-crossapp</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
   <artifactId>crossapp-client</artifactId>
   <name>Java Chassis::Demo::CrossApp::Client</name>
diff --git a/demo/demo-crossapp/crossapp-server/pom.xml b/demo/demo-crossapp/crossapp-server/pom.xml
index 94c9d0d..7556f86 100644
--- a/demo/demo-crossapp/crossapp-server/pom.xml
+++ b/demo/demo-crossapp/crossapp-server/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-crossapp</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
   <artifactId>crossapp-server</artifactId>
   <name>Java Chassis::Demo::CrossApp::Server</name>
diff --git a/demo/demo-crossapp/pom.xml b/demo/demo-crossapp/pom.xml
index 481c466..4fdcb3e 100644
--- a/demo/demo-crossapp/pom.xml
+++ b/demo/demo-crossapp/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-parent</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
   <artifactId>demo-crossapp</artifactId>
   <name>Java Chassis::Demo::CrossApp</name>
diff --git a/demo/demo-cse-v1/consumer/pom.xml b/demo/demo-cse-v1/consumer/pom.xml
index 58cc80f..33fbad0 100644
--- a/demo/demo-cse-v1/consumer/pom.xml
+++ b/demo/demo-cse-v1/consumer/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-cse-v1</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
 
   <artifactId>cse-v1-consumer</artifactId>
diff --git a/demo/demo-cse-v1/gateway/pom.xml b/demo/demo-cse-v1/gateway/pom.xml
index 63ab673..725a5c5 100644
--- a/demo/demo-cse-v1/gateway/pom.xml
+++ b/demo/demo-cse-v1/gateway/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-cse-v1</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
 
   <artifactId>cse-v1-gateway</artifactId>
diff --git a/demo/demo-cse-v1/pom.xml b/demo/demo-cse-v1/pom.xml
index a168266..9152ab4 100644
--- a/demo/demo-cse-v1/pom.xml
+++ b/demo/demo-cse-v1/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-parent</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
   <artifactId>demo-cse-v1</artifactId>
   <name>Java Chassis::Demo::CSE-V1</name>
diff --git a/demo/demo-cse-v1/provider-canary/pom.xml b/demo/demo-cse-v1/provider-canary/pom.xml
index 0222be5..8865f8c 100644
--- a/demo/demo-cse-v1/provider-canary/pom.xml
+++ b/demo/demo-cse-v1/provider-canary/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-cse-v1</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
 
   <artifactId>cse-v1-provider-canary</artifactId>
diff --git a/demo/demo-cse-v1/provider/pom.xml b/demo/demo-cse-v1/provider/pom.xml
index 5354dee..c30931e 100644
--- a/demo/demo-cse-v1/provider/pom.xml
+++ b/demo/demo-cse-v1/provider/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-cse-v1</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
 
   <artifactId>cse-v1-provider</artifactId>
diff --git a/demo/demo-cse-v1/test-client/pom.xml b/demo/demo-cse-v1/test-client/pom.xml
index ffecea1..61d79be 100644
--- a/demo/demo-cse-v1/test-client/pom.xml
+++ b/demo/demo-cse-v1/test-client/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-cse-v1</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
 
   <artifactId>cse-v1-test-client</artifactId>
diff --git a/demo/demo-cse-v2/consumer/pom.xml b/demo/demo-cse-v2/consumer/pom.xml
index 74fdc69..d82ee7c 100644
--- a/demo/demo-cse-v2/consumer/pom.xml
+++ b/demo/demo-cse-v2/consumer/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-cse-v2</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
 
   <artifactId>cse-v2-consumer</artifactId>
diff --git a/demo/demo-cse-v2/gateway/pom.xml b/demo/demo-cse-v2/gateway/pom.xml
index f6a55d3..5a249fc 100644
--- a/demo/demo-cse-v2/gateway/pom.xml
+++ b/demo/demo-cse-v2/gateway/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-cse-v2</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
 
   <artifactId>cse-v2-gateway</artifactId>
diff --git a/demo/demo-cse-v2/pom.xml b/demo/demo-cse-v2/pom.xml
index d272351..91e50a9 100644
--- a/demo/demo-cse-v2/pom.xml
+++ b/demo/demo-cse-v2/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-parent</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
   <artifactId>demo-cse-v2</artifactId>
   <name>Java Chassis::Demo::CSE-V2</name>
diff --git a/demo/demo-cse-v2/provider/pom.xml b/demo/demo-cse-v2/provider/pom.xml
index f150ba3..bd90570 100644
--- a/demo/demo-cse-v2/provider/pom.xml
+++ b/demo/demo-cse-v2/provider/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-cse-v2</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
 
   <artifactId>cse-v2-provider</artifactId>
diff --git a/demo/demo-cse-v2/test-client/pom.xml b/demo/demo-cse-v2/test-client/pom.xml
index 8a4b898..475810d 100644
--- a/demo/demo-cse-v2/test-client/pom.xml
+++ b/demo/demo-cse-v2/test-client/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-cse-v2</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
 
   <artifactId>cse-v2-test-client</artifactId>
diff --git a/demo/demo-edge/authentication/pom.xml b/demo/demo-edge/authentication/pom.xml
index 69c0b79..8327ba6 100644
--- a/demo/demo-edge/authentication/pom.xml
+++ b/demo/demo-edge/authentication/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-edge</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
   <artifactId>authentication</artifactId>
   <name>Java Chassis::Demo::Edge::Authentication</name>
diff --git a/demo/demo-edge/business-1-1-0/pom.xml b/demo/demo-edge/business-1-1-0/pom.xml
index fbc540c..e848c33 100644
--- a/demo/demo-edge/business-1-1-0/pom.xml
+++ b/demo/demo-edge/business-1-1-0/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-edge</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
   <artifactId>business-1-1-0</artifactId>
   <name>Java Chassis::Demo::Edge::Business 1.1.0</name>
diff --git a/demo/demo-edge/business-1.0.0/pom.xml b/demo/demo-edge/business-1.0.0/pom.xml
index 44db984..0c01ec6 100644
--- a/demo/demo-edge/business-1.0.0/pom.xml
+++ b/demo/demo-edge/business-1.0.0/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-edge</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
   <artifactId>business-1-0-0</artifactId>
   <name>Java Chassis::Demo::Edge::Business 1.0.0</name>
diff --git a/demo/demo-edge/business-2.0.0/pom.xml b/demo/demo-edge/business-2.0.0/pom.xml
index 90b528e..a5aa49b 100644
--- a/demo/demo-edge/business-2.0.0/pom.xml
+++ b/demo/demo-edge/business-2.0.0/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-edge</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
   <artifactId>business-2-0-0</artifactId>
   <name>Java Chassis::Demo::Edge::Business 2.0.0</name>
diff --git a/demo/demo-edge/consumer/pom.xml b/demo/demo-edge/consumer/pom.xml
index 92fa46e..e8ecfc5 100644
--- a/demo/demo-edge/consumer/pom.xml
+++ b/demo/demo-edge/consumer/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-edge</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
   <artifactId>consumer</artifactId>
   <name>Java Chassis::Demo::Edge::Consumer</name>
diff --git a/demo/demo-edge/edge-service/pom.xml b/demo/demo-edge/edge-service/pom.xml
index a9b8cfa..15985a4 100644
--- a/demo/demo-edge/edge-service/pom.xml
+++ b/demo/demo-edge/edge-service/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-edge</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
   <artifactId>edge-service</artifactId>
   <name>Java Chassis::Demo::Edge::Service</name>
diff --git a/demo/demo-edge/model/pom.xml b/demo/demo-edge/model/pom.xml
index 6313214..8643004 100644
--- a/demo/demo-edge/model/pom.xml
+++ b/demo/demo-edge/model/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-edge</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
   <artifactId>model</artifactId>
   <name>Java Chassis::Demo::Edge::Model</name>
diff --git a/demo/demo-edge/pom.xml b/demo/demo-edge/pom.xml
index bbec262..e2b0740 100644
--- a/demo/demo-edge/pom.xml
+++ b/demo/demo-edge/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-parent</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
   <artifactId>demo-edge</artifactId>
   <name>Java Chassis::Demo::Edge</name>
diff --git a/demo/demo-filter/filter-client/pom.xml b/demo/demo-filter/filter-client/pom.xml
index 86a666a..0519a32 100644
--- a/demo/demo-filter/filter-client/pom.xml
+++ b/demo/demo-filter/filter-client/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-filter</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
   <artifactId>filter-client</artifactId>
   <name>Java Chassis::Demo::Filter::Client</name>
diff --git a/demo/demo-filter/filter-server/pom.xml b/demo/demo-filter/filter-server/pom.xml
index 4ca2a41..acf86dd 100644
--- a/demo/demo-filter/filter-server/pom.xml
+++ b/demo/demo-filter/filter-server/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-filter</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
   <artifactId>filter-server</artifactId>
   <name>Java Chassis::Demo::Filter::Server</name>
diff --git a/demo/demo-filter/pom.xml b/demo/demo-filter/pom.xml
index 0b3ad78..c985189 100644
--- a/demo/demo-filter/pom.xml
+++ b/demo/demo-filter/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-parent</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
   <artifactId>demo-filter</artifactId>
   <name>Java Chassis::Demo::Filter</name>
diff --git a/demo/demo-jaxrs/jaxrs-client/pom.xml b/demo/demo-jaxrs/jaxrs-client/pom.xml
index 54b4766..b1614fc 100644
--- a/demo/demo-jaxrs/jaxrs-client/pom.xml
+++ b/demo/demo-jaxrs/jaxrs-client/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-jaxrs</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
   <artifactId>jaxrs-client</artifactId>
   <name>Java Chassis::Demo::JAXRS::Client</name>
diff --git a/demo/demo-jaxrs/jaxrs-server/pom.xml b/demo/demo-jaxrs/jaxrs-server/pom.xml
index b885c7d..37e55c5 100644
--- a/demo/demo-jaxrs/jaxrs-server/pom.xml
+++ b/demo/demo-jaxrs/jaxrs-server/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-jaxrs</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
   <artifactId>jaxrs-server</artifactId>
   <name>Java Chassis::Demo::JAXRS::Server</name>
diff --git a/demo/demo-jaxrs/pom.xml b/demo/demo-jaxrs/pom.xml
index 19d2550..74ff743 100644
--- a/demo/demo-jaxrs/pom.xml
+++ b/demo/demo-jaxrs/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-parent</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
   <artifactId>demo-jaxrs</artifactId>
   <name>Java Chassis::Demo::JAXRS</name>
diff --git a/demo/demo-local-registry/demo-local-registry-client/pom.xml b/demo/demo-local-registry/demo-local-registry-client/pom.xml
index c0a3a05..7271c98 100644
--- a/demo/demo-local-registry/demo-local-registry-client/pom.xml
+++ b/demo/demo-local-registry/demo-local-registry-client/pom.xml
@@ -25,7 +25,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-local-registry</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
 
   <properties>
diff --git a/demo/demo-local-registry/demo-local-registry-server/pom.xml b/demo/demo-local-registry/demo-local-registry-server/pom.xml
index abfe99d..0ce6d7d 100644
--- a/demo/demo-local-registry/demo-local-registry-server/pom.xml
+++ b/demo/demo-local-registry/demo-local-registry-server/pom.xml
@@ -25,7 +25,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-local-registry</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
 
   <properties>
diff --git a/demo/demo-local-registry/pom.xml b/demo/demo-local-registry/pom.xml
index 6a57c61..22678ab 100644
--- a/demo/demo-local-registry/pom.xml
+++ b/demo/demo-local-registry/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-parent</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
   <artifactId>demo-local-registry</artifactId>
   <name>Java Chassis::Demo::Local Registry</name>
diff --git a/demo/demo-multi-registries/demo-multi-registries-client/pom.xml b/demo/demo-multi-registries/demo-multi-registries-client/pom.xml
index 2154304..8671db9 100644
--- a/demo/demo-multi-registries/demo-multi-registries-client/pom.xml
+++ b/demo/demo-multi-registries/demo-multi-registries-client/pom.xml
@@ -25,7 +25,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-multi-registries</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
 
   <properties>
diff --git a/demo/demo-multi-registries/demo-multi-registries-server/pom.xml b/demo/demo-multi-registries/demo-multi-registries-server/pom.xml
index 43e52de..d08be42 100644
--- a/demo/demo-multi-registries/demo-multi-registries-server/pom.xml
+++ b/demo/demo-multi-registries/demo-multi-registries-server/pom.xml
@@ -25,7 +25,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-multi-registries</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
 
   <properties>
diff --git a/demo/demo-multi-registries/pom.xml b/demo/demo-multi-registries/pom.xml
index 7b65ad9..92a8b9a 100644
--- a/demo/demo-multi-registries/pom.xml
+++ b/demo/demo-multi-registries/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-parent</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
   <artifactId>demo-multi-registries</artifactId>
   <name>Java Chassis::Demo::Multi Registry</name>
diff --git a/demo/demo-multi-service-center/demo-multi-service-center-client/pom.xml b/demo/demo-multi-service-center/demo-multi-service-center-client/pom.xml
index 85e047a..929dd17 100644
--- a/demo/demo-multi-service-center/demo-multi-service-center-client/pom.xml
+++ b/demo/demo-multi-service-center/demo-multi-service-center-client/pom.xml
@@ -25,7 +25,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-multi-service-center</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
 
   <properties>
diff --git a/demo/demo-multi-service-center/demo-multi-service-center-serverA/pom.xml b/demo/demo-multi-service-center/demo-multi-service-center-serverA/pom.xml
index 58c118e..af834e5 100644
--- a/demo/demo-multi-service-center/demo-multi-service-center-serverA/pom.xml
+++ b/demo/demo-multi-service-center/demo-multi-service-center-serverA/pom.xml
@@ -25,7 +25,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-multi-service-center</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
 
   <properties>
diff --git a/demo/demo-multi-service-center/demo-multi-service-center-serverB/pom.xml b/demo/demo-multi-service-center/demo-multi-service-center-serverB/pom.xml
index 578e98f..0b26073 100644
--- a/demo/demo-multi-service-center/demo-multi-service-center-serverB/pom.xml
+++ b/demo/demo-multi-service-center/demo-multi-service-center-serverB/pom.xml
@@ -25,7 +25,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-multi-service-center</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
 
   <properties>
diff --git a/demo/demo-multi-service-center/pom.xml b/demo/demo-multi-service-center/pom.xml
index 76261e3..25e84b3 100644
--- a/demo/demo-multi-service-center/pom.xml
+++ b/demo/demo-multi-service-center/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-parent</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
   <artifactId>demo-multi-service-center</artifactId>
   <name>Java Chassis::Demo::Multi Service Centers</name>
diff --git a/demo/demo-multiple/a-client/pom.xml b/demo/demo-multiple/a-client/pom.xml
index ffe3b99..b699c99 100644
--- a/demo/demo-multiple/a-client/pom.xml
+++ b/demo/demo-multiple/a-client/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-multiple</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
   <artifactId>a-client</artifactId>
   <name>Java Chassis::Demo::Multiple::A client</name>
diff --git a/demo/demo-multiple/a-server/pom.xml b/demo/demo-multiple/a-server/pom.xml
index cd36255..959e3ae 100644
--- a/demo/demo-multiple/a-server/pom.xml
+++ b/demo/demo-multiple/a-server/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-multiple</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
   <artifactId>a-server</artifactId>
   <name>Java Chassis::Demo::Multiple::A server</name>
diff --git a/demo/demo-multiple/b-client/pom.xml b/demo/demo-multiple/b-client/pom.xml
index de06227..39e9a57 100644
--- a/demo/demo-multiple/b-client/pom.xml
+++ b/demo/demo-multiple/b-client/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-multiple</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
   <artifactId>b-client</artifactId>
   <name>Java Chassis::Demo::Multiple::B client</name>
diff --git a/demo/demo-multiple/b-server/pom.xml b/demo/demo-multiple/b-server/pom.xml
index 6bfea23..f92571c 100644
--- a/demo/demo-multiple/b-server/pom.xml
+++ b/demo/demo-multiple/b-server/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-multiple</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
 
   <artifactId>b-server</artifactId>
diff --git a/demo/demo-multiple/multiple-client/pom.xml b/demo/demo-multiple/multiple-client/pom.xml
index 62518db..67bca40 100644
--- a/demo/demo-multiple/multiple-client/pom.xml
+++ b/demo/demo-multiple/multiple-client/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-multiple</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
   <artifactId>multiple-client</artifactId>
   <name>Java Chassis::Demo::Multiple::Client</name>
diff --git a/demo/demo-multiple/multiple-server/pom.xml b/demo/demo-multiple/multiple-server/pom.xml
index dbc2dd2..6ce66d4 100644
--- a/demo/demo-multiple/multiple-server/pom.xml
+++ b/demo/demo-multiple/multiple-server/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-multiple</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
   <artifactId>multiple-server</artifactId>
   <name>Java Chassis::Demo::Multiple::Server</name>
diff --git a/demo/demo-multiple/pom.xml b/demo/demo-multiple/pom.xml
index 880c479..0bb36b0 100644
--- a/demo/demo-multiple/pom.xml
+++ b/demo/demo-multiple/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-parent</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
   <artifactId>demo-multiple</artifactId>
   <name>Java Chassis::Demo::Multiple</name>
diff --git a/demo/demo-pojo/pojo-client/pom.xml b/demo/demo-pojo/pojo-client/pom.xml
index 59adf74..89014ad 100644
--- a/demo/demo-pojo/pojo-client/pom.xml
+++ b/demo/demo-pojo/pojo-client/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-pojo</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
   <artifactId>pojo-client</artifactId>
   <name>Java Chassis::Demo::POJO::Client</name>
diff --git a/demo/demo-pojo/pojo-server/pom.xml b/demo/demo-pojo/pojo-server/pom.xml
index bad5967..e1a7c45 100644
--- a/demo/demo-pojo/pojo-server/pom.xml
+++ b/demo/demo-pojo/pojo-server/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-pojo</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
   <artifactId>pojo-server</artifactId>
   <name>Java Chassis::Demo::POJO::Server</name>
diff --git a/demo/demo-pojo/pom.xml b/demo/demo-pojo/pom.xml
index 87a3b3e..90a3f9f 100644
--- a/demo/demo-pojo/pom.xml
+++ b/demo/demo-pojo/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-parent</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
   <artifactId>demo-pojo</artifactId>
   <name>Java Chassis::Demo::POJO</name>
diff --git a/demo/demo-register-url-prefix/demo-register-url-prefix-client/pom.xml b/demo/demo-register-url-prefix/demo-register-url-prefix-client/pom.xml
index f6fcc2c..3b8e2e1 100644
--- a/demo/demo-register-url-prefix/demo-register-url-prefix-client/pom.xml
+++ b/demo/demo-register-url-prefix/demo-register-url-prefix-client/pom.xml
@@ -25,7 +25,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-register-url-prefix</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
 
   <properties>
diff --git a/demo/demo-register-url-prefix/demo-register-url-prefix-server/pom.xml b/demo/demo-register-url-prefix/demo-register-url-prefix-server/pom.xml
index cb0780c..315bbc5 100644
--- a/demo/demo-register-url-prefix/demo-register-url-prefix-server/pom.xml
+++ b/demo/demo-register-url-prefix/demo-register-url-prefix-server/pom.xml
@@ -25,7 +25,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-register-url-prefix</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
 
   <properties>
diff --git a/demo/demo-register-url-prefix/pom.xml b/demo/demo-register-url-prefix/pom.xml
index 23b5e19..536e9bf 100644
--- a/demo/demo-register-url-prefix/pom.xml
+++ b/demo/demo-register-url-prefix/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-parent</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
   <artifactId>demo-register-url-prefix</artifactId>
   <name>Java Chassis::Demo::Spring Boot::Register URL Prefix</name>
diff --git a/demo/demo-schema/pom.xml b/demo/demo-schema/pom.xml
index 1eb28e5..2d70c9d 100644
--- a/demo/demo-schema/pom.xml
+++ b/demo/demo-schema/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-parent</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
   <artifactId>demo-schema</artifactId>
   <name>Java Chassis::Demo::Schema</name>
diff --git a/demo/demo-signature/pom.xml b/demo/demo-signature/pom.xml
index ecd079b..c81ffa5 100644
--- a/demo/demo-signature/pom.xml
+++ b/demo/demo-signature/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-parent</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
   <artifactId>demo-signature</artifactId>
   <name>Java Chassis::Demo::Signature</name>
diff --git a/demo/demo-spring-boot-provider/demo-spring-boot-jaxrs-client/pom.xml b/demo/demo-spring-boot-provider/demo-spring-boot-jaxrs-client/pom.xml
index a19ab08..b03e471 100644
--- a/demo/demo-spring-boot-provider/demo-spring-boot-jaxrs-client/pom.xml
+++ b/demo/demo-spring-boot-provider/demo-spring-boot-jaxrs-client/pom.xml
@@ -25,7 +25,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-spring-boot</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
   <dependencies>
     <dependency>
diff --git a/demo/demo-spring-boot-provider/demo-spring-boot-jaxrs-server/pom.xml b/demo/demo-spring-boot-provider/demo-spring-boot-jaxrs-server/pom.xml
index dc46cdb..0c5ac12 100644
--- a/demo/demo-spring-boot-provider/demo-spring-boot-jaxrs-server/pom.xml
+++ b/demo/demo-spring-boot-provider/demo-spring-boot-jaxrs-server/pom.xml
@@ -25,7 +25,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-spring-boot</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
   <properties>
     <demo.main>org.apache.servicecomb.springboot.jaxrs.server.JaxrsServer</demo.main>
diff --git a/demo/demo-spring-boot-provider/pom.xml b/demo/demo-spring-boot-provider/pom.xml
index 6189adc..389761b 100644
--- a/demo/demo-spring-boot-provider/pom.xml
+++ b/demo/demo-spring-boot-provider/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-parent</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
   <artifactId>demo-spring-boot</artifactId>
   <name>Java Chassis::Demo::Spring Boot</name>
diff --git a/demo/demo-spring-boot-transport/demo-spring-boot-pojo-client/pom.xml b/demo/demo-spring-boot-transport/demo-spring-boot-pojo-client/pom.xml
index 8e28c1e..b3b082d 100644
--- a/demo/demo-spring-boot-transport/demo-spring-boot-pojo-client/pom.xml
+++ b/demo/demo-spring-boot-transport/demo-spring-boot-pojo-client/pom.xml
@@ -25,7 +25,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-spring-boot-transport</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
 
   <properties>
diff --git a/demo/demo-spring-boot-transport/demo-spring-boot-pojo-server/pom.xml b/demo/demo-spring-boot-transport/demo-spring-boot-pojo-server/pom.xml
index 7e0ce68..7e16636 100644
--- a/demo/demo-spring-boot-transport/demo-spring-boot-pojo-server/pom.xml
+++ b/demo/demo-spring-boot-transport/demo-spring-boot-pojo-server/pom.xml
@@ -25,7 +25,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-spring-boot-transport</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
 
   <properties>
diff --git a/demo/demo-spring-boot-transport/demo-spring-boot-springmvc-client/pom.xml b/demo/demo-spring-boot-transport/demo-spring-boot-springmvc-client/pom.xml
index f1e80ab..b9b286b 100644
--- a/demo/demo-spring-boot-transport/demo-spring-boot-springmvc-client/pom.xml
+++ b/demo/demo-spring-boot-transport/demo-spring-boot-springmvc-client/pom.xml
@@ -26,7 +26,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-spring-boot-transport</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
   <dependencies>
     <dependency>
diff --git a/demo/demo-spring-boot-transport/demo-spring-boot-springmvc-server/pom.xml b/demo/demo-spring-boot-transport/demo-spring-boot-springmvc-server/pom.xml
index 60a406e..0e64a1d 100644
--- a/demo/demo-spring-boot-transport/demo-spring-boot-springmvc-server/pom.xml
+++ b/demo/demo-spring-boot-transport/demo-spring-boot-springmvc-server/pom.xml
@@ -26,7 +26,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-spring-boot-transport</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
   <dependencies>
     <dependency>
diff --git a/demo/demo-spring-boot-transport/pom.xml b/demo/demo-spring-boot-transport/pom.xml
index 8fd182e..819e0ca 100644
--- a/demo/demo-spring-boot-transport/pom.xml
+++ b/demo/demo-spring-boot-transport/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-parent</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
   <artifactId>demo-spring-boot-transport</artifactId>
   <name>Java Chassis::Demo::Spring Boot::Transport</name>
diff --git a/demo/demo-springmvc/pom.xml b/demo/demo-springmvc/pom.xml
index ed57ab8..812df3c 100644
--- a/demo/demo-springmvc/pom.xml
+++ b/demo/demo-springmvc/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-parent</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
   <artifactId>demo-springmvc</artifactId>
   <name>Java Chassis::Demo::Spring MVC</name>
diff --git a/demo/demo-springmvc/springmvc-client/pom.xml b/demo/demo-springmvc/springmvc-client/pom.xml
index bc30844..8e65530 100644
--- a/demo/demo-springmvc/springmvc-client/pom.xml
+++ b/demo/demo-springmvc/springmvc-client/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-springmvc</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
   <artifactId>springmvc-client</artifactId>
   <name>Java Chassis::Demo::Spring MVC::Client</name>
diff --git a/demo/demo-springmvc/springmvc-server/pom.xml b/demo/demo-springmvc/springmvc-server/pom.xml
index 6892b14..d956f8e 100644
--- a/demo/demo-springmvc/springmvc-server/pom.xml
+++ b/demo/demo-springmvc/springmvc-server/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-springmvc</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
   <artifactId>springmvc-server</artifactId>
   <name>Java Chassis::Demo::Spring MVC::Server</name>
diff --git a/demo/demo-zeroconfig-schemadiscovery-registry/demo-zeroconfig-schemadiscovery-registry-client/pom.xml b/demo/demo-zeroconfig-schemadiscovery-registry/demo-zeroconfig-schemadiscovery-registry-client/pom.xml
index 9a8f013..b4e6116 100644
--- a/demo/demo-zeroconfig-schemadiscovery-registry/demo-zeroconfig-schemadiscovery-registry-client/pom.xml
+++ b/demo/demo-zeroconfig-schemadiscovery-registry/demo-zeroconfig-schemadiscovery-registry-client/pom.xml
@@ -25,7 +25,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-zeroconfig-schemadiscovery-registry</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
 
   <properties>
diff --git a/demo/demo-zeroconfig-schemadiscovery-registry/demo-zeroconfig-schemadiscovery-registry-edge/pom.xml b/demo/demo-zeroconfig-schemadiscovery-registry/demo-zeroconfig-schemadiscovery-registry-edge/pom.xml
index 30f1a1a..7e3db8f 100644
--- a/demo/demo-zeroconfig-schemadiscovery-registry/demo-zeroconfig-schemadiscovery-registry-edge/pom.xml
+++ b/demo/demo-zeroconfig-schemadiscovery-registry/demo-zeroconfig-schemadiscovery-registry-edge/pom.xml
@@ -25,7 +25,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-zeroconfig-schemadiscovery-registry</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
 
   <properties>
diff --git a/demo/demo-zeroconfig-schemadiscovery-registry/demo-zeroconfig-schemadiscovery-registry-server/pom.xml b/demo/demo-zeroconfig-schemadiscovery-registry/demo-zeroconfig-schemadiscovery-registry-server/pom.xml
index b2359c4..f00a7da 100644
--- a/demo/demo-zeroconfig-schemadiscovery-registry/demo-zeroconfig-schemadiscovery-registry-server/pom.xml
+++ b/demo/demo-zeroconfig-schemadiscovery-registry/demo-zeroconfig-schemadiscovery-registry-server/pom.xml
@@ -25,7 +25,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-zeroconfig-schemadiscovery-registry</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
 
   <properties>
diff --git a/demo/demo-zeroconfig-schemadiscovery-registry/demo-zeroconfig-schemadiscovery-registry-tests/pom.xml b/demo/demo-zeroconfig-schemadiscovery-registry/demo-zeroconfig-schemadiscovery-registry-tests/pom.xml
index 6490153..51c49e3 100644
--- a/demo/demo-zeroconfig-schemadiscovery-registry/demo-zeroconfig-schemadiscovery-registry-tests/pom.xml
+++ b/demo/demo-zeroconfig-schemadiscovery-registry/demo-zeroconfig-schemadiscovery-registry-tests/pom.xml
@@ -25,7 +25,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-zeroconfig-schemadiscovery-registry</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
 
   <properties>
diff --git a/demo/demo-zeroconfig-schemadiscovery-registry/pom.xml b/demo/demo-zeroconfig-schemadiscovery-registry/pom.xml
index b2fa5c7..8148363 100644
--- a/demo/demo-zeroconfig-schemadiscovery-registry/pom.xml
+++ b/demo/demo-zeroconfig-schemadiscovery-registry/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-parent</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
   <artifactId>demo-zeroconfig-schemadiscovery-registry</artifactId>
   <name>Java Chassis::Demo::ZeroConfig-SchemaDiscovery Registry</name>
diff --git a/demo/docker-build-config/pom.xml b/demo/docker-build-config/pom.xml
index 45ee2c5..d38e63c 100644
--- a/demo/docker-build-config/pom.xml
+++ b/demo/docker-build-config/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <artifactId>demo-parent</artifactId>
     <groupId>org.apache.servicecomb.demo</groupId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/demo/docker-run-config-edge/pom.xml b/demo/docker-run-config-edge/pom.xml
index d8041ad..463b212 100644
--- a/demo/docker-run-config-edge/pom.xml
+++ b/demo/docker-run-config-edge/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <artifactId>demo-parent</artifactId>
     <groupId>org.apache.servicecomb.demo</groupId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/demo/docker-run-config-local/pom.xml b/demo/docker-run-config-local/pom.xml
index 6303050..f89e824 100644
--- a/demo/docker-run-config-local/pom.xml
+++ b/demo/docker-run-config-local/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <artifactId>demo-parent</artifactId>
     <groupId>org.apache.servicecomb.demo</groupId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/demo/docker-run-config/pom.xml b/demo/docker-run-config/pom.xml
index 0409a5a..66d984e 100644
--- a/demo/docker-run-config/pom.xml
+++ b/demo/docker-run-config/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <artifactId>demo-parent</artifactId>
     <groupId>org.apache.servicecomb.demo</groupId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/demo/pom.xml b/demo/pom.xml
index 9e7e235..19a4be3 100644
--- a/demo/pom.xml
+++ b/demo/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>java-chassis-parent</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
     <relativePath>../parents/default</relativePath>
   </parent>
   <groupId>org.apache.servicecomb.demo</groupId>
diff --git a/dependencies/bom/pom.xml b/dependencies/bom/pom.xml
index 6777311..6e194e9 100644
--- a/dependencies/bom/pom.xml
+++ b/dependencies/bom/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>java-chassis-dependencies-parent</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
 
   <artifactId>java-chassis-bom</artifactId>
diff --git a/dependencies/default/pom.xml b/dependencies/default/pom.xml
index 9f1e55a..65de9bf 100644
--- a/dependencies/default/pom.xml
+++ b/dependencies/default/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>java-chassis-dependencies-parent</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
 
   <artifactId>java-chassis-dependencies</artifactId>
diff --git a/dependencies/pom.xml b/dependencies/pom.xml
index af877c8..52b41b1 100644
--- a/dependencies/pom.xml
+++ b/dependencies/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>java-chassis</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
 
   <artifactId>java-chassis-dependencies-parent</artifactId>
diff --git a/deployment/pom.xml b/deployment/pom.xml
index da931d3..ca7132e 100644
--- a/deployment/pom.xml
+++ b/deployment/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>java-chassis-parent</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
     <relativePath>../parents/default</relativePath>
   </parent>
   <modelVersion>4.0.0</modelVersion>
diff --git a/distribution/pom.xml b/distribution/pom.xml
index 7249dfa..94894fb 100644
--- a/distribution/pom.xml
+++ b/distribution/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>java-chassis-parent</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
     <relativePath>../parents/default</relativePath>
   </parent>
   <artifactId>apache-servicecomb-java-chassis-distribution</artifactId>
diff --git a/dynamic-config/config-apollo/pom.xml b/dynamic-config/config-apollo/pom.xml
index 11ff05b..84a8aac 100644
--- a/dynamic-config/config-apollo/pom.xml
+++ b/dynamic-config/config-apollo/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <artifactId>dynamic-config</artifactId>
     <groupId>org.apache.servicecomb</groupId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
   <artifactId>config-apollo</artifactId>
diff --git a/dynamic-config/config-cc/pom.xml b/dynamic-config/config-cc/pom.xml
index 8e6647e..f40fff9 100644
--- a/dynamic-config/config-cc/pom.xml
+++ b/dynamic-config/config-cc/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <artifactId>dynamic-config</artifactId>
     <groupId>org.apache.servicecomb</groupId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/dynamic-config/config-kie/pom.xml b/dynamic-config/config-kie/pom.xml
index d085272..85b3517 100644
--- a/dynamic-config/config-kie/pom.xml
+++ b/dynamic-config/config-kie/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <artifactId>dynamic-config</artifactId>
     <groupId>org.apache.servicecomb</groupId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/dynamic-config/config-nacos/pom.xml b/dynamic-config/config-nacos/pom.xml
index 57e7c24..ad4624e 100644
--- a/dynamic-config/config-nacos/pom.xml
+++ b/dynamic-config/config-nacos/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <artifactId>dynamic-config</artifactId>
     <groupId>org.apache.servicecomb</groupId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
   <artifactId>config-nacos</artifactId>
diff --git a/dynamic-config/pom.xml b/dynamic-config/pom.xml
index 15f8e5f..2eabcbe 100644
--- a/dynamic-config/pom.xml
+++ b/dynamic-config/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>java-chassis-parent</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
     <relativePath>../parents/default</relativePath>
   </parent>
   <modelVersion>4.0.0</modelVersion>
diff --git a/edge/edge-core/pom.xml b/edge/edge-core/pom.xml
index 3270d8e..03d5f90 100644
--- a/edge/edge-core/pom.xml
+++ b/edge/edge-core/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>edge</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
   <artifactId>edge-core</artifactId>
   <name>Java Chassis::Edge::Core</name>
diff --git a/edge/pom.xml b/edge/pom.xml
index 114eea5..2311b55 100644
--- a/edge/pom.xml
+++ b/edge/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>java-chassis-parent</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
     <relativePath>../parents/default</relativePath>
   </parent>
   <artifactId>edge</artifactId>
diff --git a/foundations/foundation-common/pom.xml b/foundations/foundation-common/pom.xml
index 5231faf..5f52064 100644
--- a/foundations/foundation-common/pom.xml
+++ b/foundations/foundation-common/pom.xml
@@ -20,7 +20,7 @@
   <modelVersion>4.0.0</modelVersion>
   <parent>
     <groupId>org.apache.servicecomb</groupId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
     <artifactId>foundations</artifactId>
   </parent>
   <artifactId>foundation-common</artifactId>
diff --git a/foundations/foundation-config/pom.xml b/foundations/foundation-config/pom.xml
index cfbd72a..a2f5b67 100644
--- a/foundations/foundation-config/pom.xml
+++ b/foundations/foundation-config/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <artifactId>foundations</artifactId>
     <groupId>org.apache.servicecomb</groupId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/foundations/foundation-metrics/pom.xml b/foundations/foundation-metrics/pom.xml
index 63036d4..8a765d7 100644
--- a/foundations/foundation-metrics/pom.xml
+++ b/foundations/foundation-metrics/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>foundations</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
   <artifactId>foundation-metrics</artifactId>
   <name>Java Chassis::Foundations::Metrics</name>
diff --git a/foundations/foundation-protobuf/pom.xml b/foundations/foundation-protobuf/pom.xml
index ec7dd89..8bd2fee 100644
--- a/foundations/foundation-protobuf/pom.xml
+++ b/foundations/foundation-protobuf/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <artifactId>foundations</artifactId>
     <groupId>org.apache.servicecomb</groupId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/foundations/foundation-registry/pom.xml b/foundations/foundation-registry/pom.xml
index efa75aa..f2745e7 100644
--- a/foundations/foundation-registry/pom.xml
+++ b/foundations/foundation-registry/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <artifactId>foundations</artifactId>
     <groupId>org.apache.servicecomb</groupId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/foundations/foundation-spi/pom.xml b/foundations/foundation-spi/pom.xml
index 35b6e79..65bf861 100644
--- a/foundations/foundation-spi/pom.xml
+++ b/foundations/foundation-spi/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>foundations</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
   <artifactId>foundation-spi</artifactId>
   <name>Java Chassis::Foundations::SSL</name>
diff --git a/foundations/foundation-ssl/pom.xml b/foundations/foundation-ssl/pom.xml
index ac3b59b..04a4bb8 100644
--- a/foundations/foundation-ssl/pom.xml
+++ b/foundations/foundation-ssl/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>foundations</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
   <artifactId>foundation-ssl</artifactId>
   <name>Java Chassis::Foundations::SSL</name>
diff --git a/foundations/foundation-test-scaffolding/pom.xml b/foundations/foundation-test-scaffolding/pom.xml
index 28c873a..1b70132 100644
--- a/foundations/foundation-test-scaffolding/pom.xml
+++ b/foundations/foundation-test-scaffolding/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>foundations</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
   <artifactId>foundation-test-scaffolding</artifactId>
   <name>Java Chassis::Foundations::Test Scaffolding</name>
diff --git a/foundations/foundation-vertx/pom.xml b/foundations/foundation-vertx/pom.xml
index 73a3ac8..e418cd1 100644
--- a/foundations/foundation-vertx/pom.xml
+++ b/foundations/foundation-vertx/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>foundations</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
   <artifactId>foundation-vertx</artifactId>
   <name>Java Chassis::Foundations::Vertx</name>
diff --git a/foundations/pom.xml b/foundations/pom.xml
index 0bb66c2..b38e66a 100644
--- a/foundations/pom.xml
+++ b/foundations/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>java-chassis-parent</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
     <relativePath>../parents/default</relativePath>
   </parent>
   <artifactId>foundations</artifactId>
diff --git a/governance/pom.xml b/governance/pom.xml
index 78e9242..81886af 100644
--- a/governance/pom.xml
+++ b/governance/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>java-chassis-parent</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
     <relativePath>../parents/default</relativePath>
   </parent>
   <modelVersion>4.0.0</modelVersion>
diff --git a/handlers/handler-bizkeeper/pom.xml b/handlers/handler-bizkeeper/pom.xml
index e7db4af..bd71299 100644
--- a/handlers/handler-bizkeeper/pom.xml
+++ b/handlers/handler-bizkeeper/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>handlers</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
 
   <artifactId>handler-bizkeeper</artifactId>
diff --git a/handlers/handler-fault-injection/pom.xml b/handlers/handler-fault-injection/pom.xml
index 414eb57..15c1b87 100755
--- a/handlers/handler-fault-injection/pom.xml
+++ b/handlers/handler-fault-injection/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>handlers</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
   <artifactId>handler-fault-injection</artifactId>
   <name>Java Chassis::Handlers::Fault Injection</name>
diff --git a/handlers/handler-flowcontrol-qps/pom.xml b/handlers/handler-flowcontrol-qps/pom.xml
index 990b4e3..93e60cd 100644
--- a/handlers/handler-flowcontrol-qps/pom.xml
+++ b/handlers/handler-flowcontrol-qps/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>handlers</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
   <artifactId>handler-flowcontrol-qps</artifactId>
   <name>Java Chassis::Handlers::Flow Control QPS</name>
diff --git a/handlers/handler-governance/pom.xml b/handlers/handler-governance/pom.xml
index d51cd15..7745b95 100644
--- a/handlers/handler-governance/pom.xml
+++ b/handlers/handler-governance/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>handlers</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
 
   <artifactId>handler-governance</artifactId>
diff --git a/handlers/handler-loadbalance/pom.xml b/handlers/handler-loadbalance/pom.xml
index 2f6767e..f78689e 100644
--- a/handlers/handler-loadbalance/pom.xml
+++ b/handlers/handler-loadbalance/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>handlers</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
 
   <artifactId>handler-loadbalance</artifactId>
diff --git a/handlers/handler-publickey-auth/pom.xml b/handlers/handler-publickey-auth/pom.xml
index 581471e..3c72c0e 100644
--- a/handlers/handler-publickey-auth/pom.xml
+++ b/handlers/handler-publickey-auth/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>handlers</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
 
   <artifactId>handler-publickey-auth</artifactId>
diff --git a/handlers/handler-router/pom.xml b/handlers/handler-router/pom.xml
index bc39dfa..57a88bb 100644
--- a/handlers/handler-router/pom.xml
+++ b/handlers/handler-router/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <artifactId>handlers</artifactId>
     <groupId>org.apache.servicecomb</groupId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/handlers/handler-tracing-zipkin/pom.xml b/handlers/handler-tracing-zipkin/pom.xml
index 2456913..380448e 100644
--- a/handlers/handler-tracing-zipkin/pom.xml
+++ b/handlers/handler-tracing-zipkin/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <artifactId>handlers</artifactId>
     <groupId>org.apache.servicecomb</groupId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/handlers/pom.xml b/handlers/pom.xml
index 1fdfd52..e9af875 100644
--- a/handlers/pom.xml
+++ b/handlers/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>java-chassis-parent</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
     <relativePath>../parents/default</relativePath>
   </parent>
   <modelVersion>4.0.0</modelVersion>
diff --git a/huawei-cloud/darklaunch/pom.xml b/huawei-cloud/darklaunch/pom.xml
index 812340f..3ccdfcb 100644
--- a/huawei-cloud/darklaunch/pom.xml
+++ b/huawei-cloud/darklaunch/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <artifactId>huawei-cloud</artifactId>
     <groupId>org.apache.servicecomb</groupId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/huawei-cloud/dashboard/pom.xml b/huawei-cloud/dashboard/pom.xml
index 20b676a..7396a00 100644
--- a/huawei-cloud/dashboard/pom.xml
+++ b/huawei-cloud/dashboard/pom.xml
@@ -21,7 +21,7 @@
     <parent>
         <artifactId>huawei-cloud</artifactId>
         <groupId>org.apache.servicecomb</groupId>
-        <version>2.7.6</version>
+        <version>2.8.0-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/huawei-cloud/environment/pom.xml b/huawei-cloud/environment/pom.xml
index e966ec8..a96fad0 100644
--- a/huawei-cloud/environment/pom.xml
+++ b/huawei-cloud/environment/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <artifactId>huawei-cloud</artifactId>
     <groupId>org.apache.servicecomb</groupId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
   <artifactId>servicestage-environment</artifactId>
diff --git a/huawei-cloud/pom.xml b/huawei-cloud/pom.xml
index 176310a..83dfd98 100644
--- a/huawei-cloud/pom.xml
+++ b/huawei-cloud/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>java-chassis-parent</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
     <relativePath>../parents/default</relativePath>
   </parent>
 
diff --git a/huawei-cloud/servicestage/pom.xml b/huawei-cloud/servicestage/pom.xml
index 9e72772..98ca3bd 100644
--- a/huawei-cloud/servicestage/pom.xml
+++ b/huawei-cloud/servicestage/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <artifactId>huawei-cloud</artifactId>
     <groupId>org.apache.servicecomb</groupId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
   <artifactId>servicestage</artifactId>
diff --git a/inspector/pom.xml b/inspector/pom.xml
index f219c2e..233dfac 100644
--- a/inspector/pom.xml
+++ b/inspector/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>java-chassis-parent</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
     <relativePath>../parents/default</relativePath>
   </parent>
   <modelVersion>4.0.0</modelVersion>
diff --git a/integration-tests/dynamic-config-tests/pom.xml b/integration-tests/dynamic-config-tests/pom.xml
index b4ccca6..fa3f56d 100644
--- a/integration-tests/dynamic-config-tests/pom.xml
+++ b/integration-tests/dynamic-config-tests/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <artifactId>integration-tests</artifactId>
     <groupId>org.apache.servicecomb.tests</groupId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/integration-tests/it-common/pom.xml b/integration-tests/it-common/pom.xml
index a3f0c08..adec905 100644
--- a/integration-tests/it-common/pom.xml
+++ b/integration-tests/it-common/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <artifactId>integration-tests</artifactId>
     <groupId>org.apache.servicecomb.tests</groupId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/integration-tests/it-consumer/pom.xml b/integration-tests/it-consumer/pom.xml
index 2b7225c..ef27dd1 100644
--- a/integration-tests/it-consumer/pom.xml
+++ b/integration-tests/it-consumer/pom.xml
@@ -21,7 +21,7 @@
   <parent>
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     <groupId>org.apache.servicecomb.tests</groupId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/integration-tests/it-edge/pom.xml b/integration-tests/it-edge/pom.xml
index 41963a2..07c71fd 100644
--- a/integration-tests/it-edge/pom.xml
+++ b/integration-tests/it-edge/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <artifactId>integration-tests</artifactId>
     <groupId>org.apache.servicecomb.tests</groupId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/integration-tests/it-producer-deploy-springboot2-servlet/pom.xml b/integration-tests/it-producer-deploy-springboot2-servlet/pom.xml
index a5f3e70..6018bdf 100644
--- a/integration-tests/it-producer-deploy-springboot2-servlet/pom.xml
+++ b/integration-tests/it-producer-deploy-springboot2-servlet/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <artifactId>integration-tests</artifactId>
     <groupId>org.apache.servicecomb.tests</groupId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
 
   <artifactId>it-producer-deploy-springboot2-servlet</artifactId>
@@ -33,7 +33,7 @@
       <dependency>
         <groupId>org.apache.servicecomb</groupId>
         <artifactId>java-chassis-dependencies</artifactId>
-        <version>2.7.6</version>
+        <version>2.8.0-SNAPSHOT</version>
         <type>pom</type>
         <scope>import</scope>
       </dependency>
@@ -44,7 +44,7 @@
     <dependency>
       <groupId>org.apache.servicecomb.tests</groupId>
       <artifactId>it-producer</artifactId>
-      <version>2.7.6</version>
+      <version>2.8.0-SNAPSHOT</version>
     </dependency>
     <dependency>
       <groupId>org.apache.servicecomb</groupId>
diff --git a/integration-tests/it-producer-deploy-springboot2-standalone/pom.xml b/integration-tests/it-producer-deploy-springboot2-standalone/pom.xml
index fcd843b..41d4b13 100644
--- a/integration-tests/it-producer-deploy-springboot2-standalone/pom.xml
+++ b/integration-tests/it-producer-deploy-springboot2-standalone/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <artifactId>integration-tests</artifactId>
     <groupId>org.apache.servicecomb.tests</groupId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
 
   <artifactId>it-producer-deploy-springboot2-standalone</artifactId>
diff --git a/integration-tests/it-producer/pom.xml b/integration-tests/it-producer/pom.xml
index e10cf60..01bdd65 100644
--- a/integration-tests/it-producer/pom.xml
+++ b/integration-tests/it-producer/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <artifactId>integration-tests</artifactId>
     <groupId>org.apache.servicecomb.tests</groupId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/integration-tests/jaxrs-tests/pom.xml b/integration-tests/jaxrs-tests/pom.xml
index fe7197d..9d2e9e5 100644
--- a/integration-tests/jaxrs-tests/pom.xml
+++ b/integration-tests/jaxrs-tests/pom.xml
@@ -22,7 +22,7 @@
   <parent>
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     <groupId>org.apache.servicecomb.tests</groupId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/integration-tests/pojo-test/pom.xml b/integration-tests/pojo-test/pom.xml
index 8bf9aca..43b90f9 100644
--- a/integration-tests/pojo-test/pom.xml
+++ b/integration-tests/pojo-test/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <artifactId>integration-tests</artifactId>
     <groupId>org.apache.servicecomb.tests</groupId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/integration-tests/pom.xml b/integration-tests/pom.xml
index 0c6a8e5..7d16333 100644
--- a/integration-tests/pom.xml
+++ b/integration-tests/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>java-chassis-parent</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
     <relativePath>../parents/default</relativePath>
   </parent>
   <modelVersion>4.0.0</modelVersion>
diff --git a/integration-tests/spring-jaxrs-tests/pom.xml b/integration-tests/spring-jaxrs-tests/pom.xml
index 5c48432..fc62897 100644
--- a/integration-tests/spring-jaxrs-tests/pom.xml
+++ b/integration-tests/spring-jaxrs-tests/pom.xml
@@ -22,7 +22,7 @@
   <parent>
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     <groupId>org.apache.servicecomb.tests</groupId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
@@ -33,7 +33,7 @@
     <dependency>
       <groupId>org.apache.servicecomb.tests</groupId>
       <artifactId>jaxrs-tests</artifactId>
-      <version>2.7.6</version>
+      <version>2.8.0-SNAPSHOT</version>
       <type>test-jar</type>
     </dependency>
     <dependency>
diff --git a/integration-tests/spring-pojo-connection-limit-test/pom.xml b/integration-tests/spring-pojo-connection-limit-test/pom.xml
index 8fc494b..1b8a50c 100644
--- a/integration-tests/spring-pojo-connection-limit-test/pom.xml
+++ b/integration-tests/spring-pojo-connection-limit-test/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <artifactId>integration-tests</artifactId>
     <groupId>org.apache.servicecomb.tests</groupId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/integration-tests/spring-pojo-tests/pom.xml b/integration-tests/spring-pojo-tests/pom.xml
index 77ddada..d6cf3e4 100644
--- a/integration-tests/spring-pojo-tests/pom.xml
+++ b/integration-tests/spring-pojo-tests/pom.xml
@@ -22,7 +22,7 @@
   <parent>
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     <groupId>org.apache.servicecomb.tests</groupId>
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+    <version>2.8.0-SNAPSHOT</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/integration-tests/springmvc-tests/common/pom.xml b/integration-tests/springmvc-tests/common/pom.xml
index 0c76e87..8c17b0d 100644
--- a/integration-tests/springmvc-tests/common/pom.xml
+++ b/integration-tests/springmvc-tests/common/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <artifactId>springmvc-tests</artifactId>
     <groupId>org.apache.servicecomb.tests</groupId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/integration-tests/springmvc-tests/connection-limit/pom.xml b/integration-tests/springmvc-tests/connection-limit/pom.xml
index ed96180..a2eeba8 100644
--- a/integration-tests/springmvc-tests/connection-limit/pom.xml
+++ b/integration-tests/springmvc-tests/connection-limit/pom.xml
@@ -22,7 +22,7 @@
   <parent>
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     <groupId>org.apache.servicecomb.tests</groupId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
@@ -33,7 +33,7 @@
     <dependency>
       <groupId>org.apache.servicecomb.tests</groupId>
       <artifactId>springmvc-tests-common</artifactId>
-      <version>2.7.6</version>
+      <version>2.8.0-SNAPSHOT</version>
       <type>test-jar</type>
     </dependency>
     <dependency>
diff --git a/integration-tests/springmvc-tests/general-with-springboot/pom.xml b/integration-tests/springmvc-tests/general-with-springboot/pom.xml
index 6e27bb4..bf7c291 100644
--- a/integration-tests/springmvc-tests/general-with-springboot/pom.xml
+++ b/integration-tests/springmvc-tests/general-with-springboot/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <artifactId>springmvc-tests</artifactId>
     <groupId>org.apache.servicecomb.tests</groupId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/integration-tests/springmvc-tests/general/pom.xml b/integration-tests/springmvc-tests/general/pom.xml
index d3faa5f..afc4c53 100644
--- a/integration-tests/springmvc-tests/general/pom.xml
+++ b/integration-tests/springmvc-tests/general/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <artifactId>springmvc-tests</artifactId>
     <groupId>org.apache.servicecomb.tests</groupId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
@@ -33,7 +33,7 @@
     <dependency>
       <groupId>org.apache.servicecomb.tests</groupId>
       <artifactId>springmvc-tests-common</artifactId>
-      <version>2.7.6</version>
+      <version>2.8.0-SNAPSHOT</version>
       <type>test-jar</type>
     </dependency>
     <dependency>
diff --git a/integration-tests/springmvc-tests/pom.xml b/integration-tests/springmvc-tests/pom.xml
index 27064ee..888a95c 100644
--- a/integration-tests/springmvc-tests/pom.xml
+++ b/integration-tests/springmvc-tests/pom.xml
@@ -22,7 +22,7 @@
   <parent>
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     <groupId>org.apache.servicecomb.tests</groupId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/integration-tests/springmvc-tests/simplified-mapping-with-springboot/pom.xml b/integration-tests/springmvc-tests/simplified-mapping-with-springboot/pom.xml
index bffc59a..e3055f5 100644
--- a/integration-tests/springmvc-tests/simplified-mapping-with-springboot/pom.xml
+++ b/integration-tests/springmvc-tests/simplified-mapping-with-springboot/pom.xml
@@ -22,7 +22,7 @@
   <parent>
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     <groupId>org.apache.servicecomb.tests</groupId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
@@ -33,7 +33,7 @@
     <dependency>
       <groupId>org.apache.servicecomb.tests</groupId>
       <artifactId>springmvc-tests-common</artifactId>
-      <version>2.7.6</version>
+      <version>2.8.0-SNAPSHOT</version>
       <type>test-jar</type>
     </dependency>
     <dependency>
diff --git a/integration-tests/springmvc-tests/simplified-mapping/pom.xml b/integration-tests/springmvc-tests/simplified-mapping/pom.xml
index a4ce694..bd0a5ac 100644
--- a/integration-tests/springmvc-tests/simplified-mapping/pom.xml
+++ b/integration-tests/springmvc-tests/simplified-mapping/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <artifactId>springmvc-tests</artifactId>
     <groupId>org.apache.servicecomb.tests</groupId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
@@ -33,7 +33,7 @@
     <dependency>
       <groupId>org.apache.servicecomb.tests</groupId>
       <artifactId>springmvc-tests-common</artifactId>
-      <version>2.7.6</version>
+      <version>2.8.0-SNAPSHOT</version>
       <type>test-jar</type>
     </dependency>
     <dependency>
diff --git a/integration-tests/test-common/pom.xml b/integration-tests/test-common/pom.xml
index 533d15d..70a7669 100644
--- a/integration-tests/test-common/pom.xml
+++ b/integration-tests/test-common/pom.xml
@@ -22,7 +22,7 @@
   <parent>
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     <groupId>org.apache.servicecomb.tests</groupId>
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+    <version>2.8.0-SNAPSHOT</version>
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   <modelVersion>4.0.0</modelVersion>
 
diff --git a/integration-tests/tracing-tests/pom.xml b/integration-tests/tracing-tests/pom.xml
index 5b0c587..ef99df5 100644
--- a/integration-tests/tracing-tests/pom.xml
+++ b/integration-tests/tracing-tests/pom.xml
@@ -22,7 +22,7 @@
   <parent>
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     <groupId>org.apache.servicecomb.tests</groupId>
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+    <version>2.8.0-SNAPSHOT</version>
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   <modelVersion>4.0.0</modelVersion>
 
diff --git a/metrics/metrics-core/pom.xml b/metrics/metrics-core/pom.xml
index 7c31309..5de2cae 100644
--- a/metrics/metrics-core/pom.xml
+++ b/metrics/metrics-core/pom.xml
@@ -21,7 +21,7 @@
   <parent>
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     <groupId>org.apache.servicecomb</groupId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/metrics/metrics-integration/metrics-prometheus/pom.xml b/metrics/metrics-integration/metrics-prometheus/pom.xml
index 227a79d..4456d59 100644
--- a/metrics/metrics-integration/metrics-prometheus/pom.xml
+++ b/metrics/metrics-integration/metrics-prometheus/pom.xml
@@ -21,7 +21,7 @@
   <parent>
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     <groupId>org.apache.servicecomb</groupId>
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   <modelVersion>4.0.0</modelVersion>
 
diff --git a/metrics/metrics-integration/pom.xml b/metrics/metrics-integration/pom.xml
index f49a9cf..86ea600 100644
--- a/metrics/metrics-integration/pom.xml
+++ b/metrics/metrics-integration/pom.xml
@@ -22,7 +22,7 @@
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     <groupId>org.apache.servicecomb</groupId>
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   <modelVersion>4.0.0</modelVersion>
 
diff --git a/metrics/pom.xml b/metrics/pom.xml
index 5b5a08a..bd3d6cc 100644
--- a/metrics/pom.xml
+++ b/metrics/pom.xml
@@ -24,7 +24,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>java-chassis-parent</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
     <relativePath>../parents/default</relativePath>
   </parent>
 
diff --git a/parents/default/pom.xml b/parents/default/pom.xml
index 99ee4a1..e38c828 100644
--- a/parents/default/pom.xml
+++ b/parents/default/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>java-chassis-dependencies</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
     <relativePath>../../dependencies/default</relativePath>
   </parent>
 
diff --git a/parents/pom.xml b/parents/pom.xml
index 61ee6a6..585a9b7 100644
--- a/parents/pom.xml
+++ b/parents/pom.xml
@@ -24,7 +24,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>java-chassis</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
 
   <artifactId>java-chassis-parents</artifactId>
diff --git a/pom.xml b/pom.xml
index 28e2635..cdd7299 100644
--- a/pom.xml
+++ b/pom.xml
@@ -29,7 +29,7 @@
 
   <groupId>org.apache.servicecomb</groupId>
   <artifactId>java-chassis</artifactId>
-  <version>2.7.6</version>
+  <version>2.8.0-SNAPSHOT</version>
   <packaging>pom</packaging>
 
   <name>ServiceComb Java Chassis</name>
diff --git a/providers/pom.xml b/providers/pom.xml
index a4cca9c..d7ce124 100644
--- a/providers/pom.xml
+++ b/providers/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>java-chassis-parent</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
     <relativePath>../parents/default</relativePath>
   </parent>
   <artifactId>providers</artifactId>
diff --git a/providers/provider-jaxrs/pom.xml b/providers/provider-jaxrs/pom.xml
index 52a9d6f..c082344 100644
--- a/providers/provider-jaxrs/pom.xml
+++ b/providers/provider-jaxrs/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>providers</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
   <artifactId>provider-jaxrs</artifactId>
   <name>Java Chassis::Providers::JAXRS</name>
diff --git a/providers/provider-pojo/pom.xml b/providers/provider-pojo/pom.xml
index 71998c1..677cb8a 100644
--- a/providers/provider-pojo/pom.xml
+++ b/providers/provider-pojo/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>providers</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
   <artifactId>provider-pojo</artifactId>
   <name>Java Chassis::Providers::POJO</name>
diff --git a/providers/provider-rest-common/pom.xml b/providers/provider-rest-common/pom.xml
index a9fea72..beed20b 100644
--- a/providers/provider-rest-common/pom.xml
+++ b/providers/provider-rest-common/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>providers</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
   <artifactId>provider-rest-common</artifactId>
   <name>Java Chassis::Providers::Rest Common</name>
diff --git a/providers/provider-springmvc/pom.xml b/providers/provider-springmvc/pom.xml
index b0a4021..a8efea1 100644
--- a/providers/provider-springmvc/pom.xml
+++ b/providers/provider-springmvc/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>providers</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
   <artifactId>provider-springmvc</artifactId>
   <name>Java Chassis::Providers::Spring MVC</name>
diff --git a/service-registry/pom.xml b/service-registry/pom.xml
index 15fd0a7..15c7aa3 100644
--- a/service-registry/pom.xml
+++ b/service-registry/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>java-chassis-parent</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
     <relativePath>../parents/default</relativePath>
   </parent>
   <modelVersion>4.0.0</modelVersion>
diff --git a/service-registry/registry-lightweight/pom.xml b/service-registry/registry-lightweight/pom.xml
index c3b9638..69b47ca 100644
--- a/service-registry/registry-lightweight/pom.xml
+++ b/service-registry/registry-lightweight/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <artifactId>service-registry-parent</artifactId>
     <groupId>org.apache.servicecomb</groupId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/service-registry/registry-local/pom.xml b/service-registry/registry-local/pom.xml
index d9a8bf7..a0e40fb 100644
--- a/service-registry/registry-local/pom.xml
+++ b/service-registry/registry-local/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>service-registry-parent</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/service-registry/registry-schema-discovery/pom.xml b/service-registry/registry-schema-discovery/pom.xml
index 5c1afbc..8066654 100644
--- a/service-registry/registry-schema-discovery/pom.xml
+++ b/service-registry/registry-schema-discovery/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>service-registry-parent</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/service-registry/registry-service-center/pom.xml b/service-registry/registry-service-center/pom.xml
index b4e68ef..dae5b86 100644
--- a/service-registry/registry-service-center/pom.xml
+++ b/service-registry/registry-service-center/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>service-registry-parent</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/service-registry/registry-zero-config/pom.xml b/service-registry/registry-zero-config/pom.xml
index f6c1a40..e458657 100644
--- a/service-registry/registry-zero-config/pom.xml
+++ b/service-registry/registry-zero-config/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <artifactId>service-registry-parent</artifactId>
     <groupId>org.apache.servicecomb</groupId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/solutions/pom.xml b/solutions/pom.xml
index eed18cf..ebe16b8 100644
--- a/solutions/pom.xml
+++ b/solutions/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>java-chassis-parent</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
     <relativePath>../parents/default</relativePath>
   </parent>
   <modelVersion>4.0.0</modelVersion>
diff --git a/solutions/solution-basic/pom.xml b/solutions/solution-basic/pom.xml
index 088ee3c..c4732c9 100644
--- a/solutions/solution-basic/pom.xml
+++ b/solutions/solution-basic/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>solutions</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/spring-boot/pom.xml b/spring-boot/pom.xml
index add67e3..b38842f 100644
--- a/spring-boot/pom.xml
+++ b/spring-boot/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>java-chassis-parent</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
     <relativePath>../parents/default</relativePath>
   </parent>
 
diff --git a/spring-boot/spring-boot-starters/java-chassis-spring-boot-starter-servlet/pom.xml b/spring-boot/spring-boot-starters/java-chassis-spring-boot-starter-servlet/pom.xml
index 2782903..7aad852 100644
--- a/spring-boot/spring-boot-starters/java-chassis-spring-boot-starter-servlet/pom.xml
+++ b/spring-boot/spring-boot-starters/java-chassis-spring-boot-starter-servlet/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <artifactId>java-chassis-spring-boot-starters</artifactId>
     <groupId>org.apache.servicecomb</groupId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/spring-boot/spring-boot-starters/java-chassis-spring-boot-starter-standalone/pom.xml b/spring-boot/spring-boot-starters/java-chassis-spring-boot-starter-standalone/pom.xml
index e7de971..3720ac5 100644
--- a/spring-boot/spring-boot-starters/java-chassis-spring-boot-starter-standalone/pom.xml
+++ b/spring-boot/spring-boot-starters/java-chassis-spring-boot-starter-standalone/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <artifactId>java-chassis-spring-boot-starters</artifactId>
     <groupId>org.apache.servicecomb</groupId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/spring-boot/spring-boot-starters/java-chassis-spring-boot-starter/pom.xml b/spring-boot/spring-boot-starters/java-chassis-spring-boot-starter/pom.xml
index 2f9e5c2..b99e440 100644
--- a/spring-boot/spring-boot-starters/java-chassis-spring-boot-starter/pom.xml
+++ b/spring-boot/spring-boot-starters/java-chassis-spring-boot-starter/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <artifactId>java-chassis-spring-boot-starters</artifactId>
     <groupId>org.apache.servicecomb</groupId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/spring-boot/spring-boot-starters/pom.xml b/spring-boot/spring-boot-starters/pom.xml
index 84fcc25..3c31174 100644
--- a/spring-boot/spring-boot-starters/pom.xml
+++ b/spring-boot/spring-boot-starters/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <artifactId>java-chassis-spring-boot</artifactId>
     <groupId>org.apache.servicecomb</groupId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
 
   <modelVersion>4.0.0</modelVersion>
diff --git a/swagger/pom.xml b/swagger/pom.xml
index 55517c6..70af57a 100644
--- a/swagger/pom.xml
+++ b/swagger/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>java-chassis-parent</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
     <relativePath>../parents/default</relativePath>
   </parent>
   <artifactId>swagger</artifactId>
diff --git a/swagger/swagger-generator/generator-core/pom.xml b/swagger/swagger-generator/generator-core/pom.xml
index 5dd5a63..b7c8617 100644
--- a/swagger/swagger-generator/generator-core/pom.xml
+++ b/swagger/swagger-generator/generator-core/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>swagger-generator</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
   <artifactId>swagger-generator-core</artifactId>
   <name>Java Chassis::Swagger::Generator::Core</name>
diff --git a/swagger/swagger-generator/generator-jaxrs/pom.xml b/swagger/swagger-generator/generator-jaxrs/pom.xml
index 665325c..a19197e 100644
--- a/swagger/swagger-generator/generator-jaxrs/pom.xml
+++ b/swagger/swagger-generator/generator-jaxrs/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>swagger-generator</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
   <artifactId>swagger-generator-jaxrs</artifactId>
   <name>Java Chassis::Swagger::Generator::Jaxrs</name>
diff --git a/swagger/swagger-generator/generator-spring-data/pom.xml b/swagger/swagger-generator/generator-spring-data/pom.xml
index 1fdf0f4..402efd6 100644
--- a/swagger/swagger-generator/generator-spring-data/pom.xml
+++ b/swagger/swagger-generator/generator-spring-data/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>swagger-generator</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/swagger/swagger-generator/generator-springmvc/pom.xml b/swagger/swagger-generator/generator-springmvc/pom.xml
index a363799..9eb78a0 100644
--- a/swagger/swagger-generator/generator-springmvc/pom.xml
+++ b/swagger/swagger-generator/generator-springmvc/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>swagger-generator</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
   <artifactId>swagger-generator-springmvc</artifactId>
   <name>Java Chassis::Swagger::Generator::Spring MVC</name>
diff --git a/swagger/swagger-generator/pom.xml b/swagger/swagger-generator/pom.xml
index e2cb670..cdcbfe3 100644
--- a/swagger/swagger-generator/pom.xml
+++ b/swagger/swagger-generator/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>swagger</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
   <artifactId>swagger-generator</artifactId>
   <name>Java Chassis::Swagger::Generator</name>
diff --git a/swagger/swagger-invocation/invocation-core/pom.xml b/swagger/swagger-invocation/invocation-core/pom.xml
index 77af5d9..1225e95 100644
--- a/swagger/swagger-invocation/invocation-core/pom.xml
+++ b/swagger/swagger-invocation/invocation-core/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>swagger-invocation</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
   <artifactId>swagger-invocation-core</artifactId>
   <name>Java Chassis::Swagger::Invocation::Core</name>
diff --git a/swagger/swagger-invocation/invocation-jaxrs/pom.xml b/swagger/swagger-invocation/invocation-jaxrs/pom.xml
index a811297..d509ca8 100644
--- a/swagger/swagger-invocation/invocation-jaxrs/pom.xml
+++ b/swagger/swagger-invocation/invocation-jaxrs/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>swagger-invocation</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
   <artifactId>swagger-invocation-jaxrs</artifactId>
   <name>Java Chassis::Swagger::Invocation::JAXRS</name>
diff --git a/swagger/swagger-invocation/invocation-springmvc/pom.xml b/swagger/swagger-invocation/invocation-springmvc/pom.xml
index a300c50..6f1cd00 100644
--- a/swagger/swagger-invocation/invocation-springmvc/pom.xml
+++ b/swagger/swagger-invocation/invocation-springmvc/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>swagger-invocation</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
   <artifactId>swagger-invocation-springmvc</artifactId>
   <name>Java Chassis::Swagger::Invocation::Spring MVC</name>
diff --git a/swagger/swagger-invocation/invocation-validator/pom.xml b/swagger/swagger-invocation/invocation-validator/pom.xml
index 54fab80..b41491d 100644
--- a/swagger/swagger-invocation/invocation-validator/pom.xml
+++ b/swagger/swagger-invocation/invocation-validator/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>swagger-invocation</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
   <artifactId>swagger-invocation-validator</artifactId>
   <name>Java Chassis::Swagger::Invocation::Validator</name>
diff --git a/swagger/swagger-invocation/pom.xml b/swagger/swagger-invocation/pom.xml
index 4de9e11..db032f8 100644
--- a/swagger/swagger-invocation/pom.xml
+++ b/swagger/swagger-invocation/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>swagger</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
   <artifactId>swagger-invocation</artifactId>
   <name>Java Chassis::Swagger::Invocation</name>
diff --git a/tracing/pom.xml b/tracing/pom.xml
index e9081ea..ff660e8 100644
--- a/tracing/pom.xml
+++ b/tracing/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>java-chassis-parent</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
     <relativePath>../parents/default</relativePath>
   </parent>
   <modelVersion>4.0.0</modelVersion>
diff --git a/tracing/tracing-common/pom.xml b/tracing/tracing-common/pom.xml
index e9e5825..3886d9d 100644
--- a/tracing/tracing-common/pom.xml
+++ b/tracing/tracing-common/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <artifactId>tracing</artifactId>
     <groupId>org.apache.servicecomb</groupId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/tracing/tracing-zipkin/pom.xml b/tracing/tracing-zipkin/pom.xml
index 47759ad..0532b72 100644
--- a/tracing/tracing-zipkin/pom.xml
+++ b/tracing/tracing-zipkin/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <artifactId>tracing</artifactId>
     <groupId>org.apache.servicecomb</groupId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/transports/pom.xml b/transports/pom.xml
index 1967a35..45eb184 100644
--- a/transports/pom.xml
+++ b/transports/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>java-chassis-parent</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
     <relativePath>../parents/default</relativePath>
   </parent>
   <artifactId>transports</artifactId>
diff --git a/transports/transport-common/pom.xml b/transports/transport-common/pom.xml
index 4293c05..fff0ac4 100644
--- a/transports/transport-common/pom.xml
+++ b/transports/transport-common/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <artifactId>transports</artifactId>
     <groupId>org.apache.servicecomb</groupId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/transports/transport-highway/pom.xml b/transports/transport-highway/pom.xml
index f25daa3..4e315b5 100644
--- a/transports/transport-highway/pom.xml
+++ b/transports/transport-highway/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>transports</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
   <artifactId>transport-highway</artifactId>
   <name>Java Chassis::Transports::Hightway</name>
diff --git a/transports/transport-rest/pom.xml b/transports/transport-rest/pom.xml
index 85200fc..36c53a1 100644
--- a/transports/transport-rest/pom.xml
+++ b/transports/transport-rest/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>transports</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
   <artifactId>transport-rest</artifactId>
   <name>Java Chassis::Transports::Rest</name>
diff --git a/transports/transport-rest/transport-rest-client/pom.xml b/transports/transport-rest/transport-rest-client/pom.xml
index 12aa2f4..eb8a460 100644
--- a/transports/transport-rest/transport-rest-client/pom.xml
+++ b/transports/transport-rest/transport-rest-client/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>transport-rest</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
   <artifactId>transport-rest-client</artifactId>
   <name>Java Chassis::Transports::Rest::Client</name>
diff --git a/transports/transport-rest/transport-rest-servlet/pom.xml b/transports/transport-rest/transport-rest-servlet/pom.xml
index 6b8a4cc..164a8ee 100644
--- a/transports/transport-rest/transport-rest-servlet/pom.xml
+++ b/transports/transport-rest/transport-rest-servlet/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>transport-rest</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
   <artifactId>transport-rest-servlet</artifactId>
   <name>Java Chassis::Transports::Rest::Servlet</name>
diff --git a/transports/transport-rest/transport-rest-vertx/pom.xml b/transports/transport-rest/transport-rest-vertx/pom.xml
index 79c6799..01a78e4 100644
--- a/transports/transport-rest/transport-rest-vertx/pom.xml
+++ b/transports/transport-rest/transport-rest-vertx/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>transport-rest</artifactId>
-    <version>2.7.6</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
   <artifactId>transport-rest-vertx</artifactId>
   <name>Java Chassis::Transports::Rest::Vertx</name>