reset after class
diff --git a/dubbo-samples-triple/case-configuration.yml b/dubbo-samples-triple/case-configuration.yml
index 0ac1720..6f8ff89 100644
--- a/dubbo-samples-triple/case-configuration.yml
+++ b/dubbo-samples-triple/case-configuration.yml
@@ -25,7 +25,9 @@
     basedir: .
     tests:
       # tri-->tri
-      - "org.apache.dubbo.sample.tri/Tri*Test.class"
+      - "org.apache.dubbo.sample.tri/TriPbConsumerTest.class"
+      - "org.apache.dubbo.sample.tri/TriWrapConsumerTest.class"
+      - "org.apache.dubbo.sample.tri/TriGenericTest.class"
       # grpc-->tri
       - "org.apache.dubbo.sample.tri/grpc/Grpc*Test.class"
       # tri-->grpc
diff --git a/dubbo-samples-triple/src/test/java/org/apache/dubbo/sample/tri/BasePbConsumerTest.java b/dubbo-samples-triple/src/test/java/org/apache/dubbo/sample/tri/BasePbConsumerTest.java
index 6cd01ed..747aea9 100644
--- a/dubbo-samples-triple/src/test/java/org/apache/dubbo/sample/tri/BasePbConsumerTest.java
+++ b/dubbo-samples-triple/src/test/java/org/apache/dubbo/sample/tri/BasePbConsumerTest.java
@@ -1,11 +1,13 @@
 package org.apache.dubbo.sample.tri;
 
 import org.apache.dubbo.common.stream.StreamObserver;
+import org.apache.dubbo.config.bootstrap.DubboBootstrap;
 import org.apache.dubbo.rpc.RpcContext;
 import org.apache.dubbo.rpc.RpcException;
 import org.apache.dubbo.sample.tri.helper.StdoutStreamObserver;
 import org.apache.dubbo.sample.tri.service.PbGreeterManual;
 
+import org.junit.AfterClass;
 import org.junit.Assert;
 import org.junit.Test;
 
@@ -123,4 +125,11 @@
             Assert.assertTrue(e.getMessage().contains("not found"));
         }
     }
+
+    @AfterClass
+    public static void alterTest() {
+        DubboBootstrap.reset();
+    }
+
+
 }
diff --git a/dubbo-samples-triple/src/test/java/org/apache/dubbo/sample/tri/BaseTriWrapConsumerTest.java b/dubbo-samples-triple/src/test/java/org/apache/dubbo/sample/tri/BaseTriWrapConsumerTest.java
index cecf534..a39afa4 100644
--- a/dubbo-samples-triple/src/test/java/org/apache/dubbo/sample/tri/BaseTriWrapConsumerTest.java
+++ b/dubbo-samples-triple/src/test/java/org/apache/dubbo/sample/tri/BaseTriWrapConsumerTest.java
@@ -1,10 +1,12 @@
 package org.apache.dubbo.sample.tri;
 
 import org.apache.dubbo.common.stream.StreamObserver;
+import org.apache.dubbo.config.bootstrap.DubboBootstrap;
 import org.apache.dubbo.rpc.RpcException;
 import org.apache.dubbo.sample.tri.helper.StdoutStreamObserver;
 import org.apache.dubbo.sample.tri.service.WrapGreeter;
 
+import org.junit.AfterClass;
 import org.junit.Assert;
 import org.junit.Test;
 
@@ -119,4 +121,10 @@
             Assert.assertEquals(len, response.length());
         }
     }
+
+
+    @AfterClass
+    public static void alterTest() {
+        DubboBootstrap.reset();
+    }
 }
diff --git a/dubbo-samples-triple/src/test/java/org/apache/dubbo/sample/tri/TriGenericTest.java b/dubbo-samples-triple/src/test/java/org/apache/dubbo/sample/tri/TriGenericTest.java
index 519c2f9..ec7d7cc 100644
--- a/dubbo-samples-triple/src/test/java/org/apache/dubbo/sample/tri/TriGenericTest.java
+++ b/dubbo-samples-triple/src/test/java/org/apache/dubbo/sample/tri/TriGenericTest.java
@@ -8,6 +8,7 @@
 import org.apache.dubbo.rpc.RpcException;
 import org.apache.dubbo.rpc.service.GenericService;
 
+import org.junit.AfterClass;
 import org.junit.Assert;
 import org.junit.BeforeClass;
 import org.junit.Test;
@@ -67,4 +68,10 @@
         final String resp = (String) generic.$invoke("sayHelloLong", new String[]{int.class.getName()}, new Object[]{len});
         Assert.assertEquals(len, resp.length());
     }
+
+
+    @AfterClass
+    public static void alterTest() {
+        DubboBootstrap.reset();
+    }
 }
diff --git a/dubbo-samples-triple/src/test/java/org/apache/dubbo/sample/tri/TriWrapConsumerTest.java b/dubbo-samples-triple/src/test/java/org/apache/dubbo/sample/tri/TriWrapConsumerTest.java
index 9660590..44ea789 100644
--- a/dubbo-samples-triple/src/test/java/org/apache/dubbo/sample/tri/TriWrapConsumerTest.java
+++ b/dubbo-samples-triple/src/test/java/org/apache/dubbo/sample/tri/TriWrapConsumerTest.java
@@ -10,6 +10,7 @@
 import org.apache.dubbo.sample.tri.helper.StdoutStreamObserver;
 import org.apache.dubbo.sample.tri.service.WrapGreeter;
 
+import org.junit.AfterClass;
 import org.junit.Assert;
 import org.junit.BeforeClass;
 import org.junit.Test;
@@ -144,4 +145,9 @@
             Assert.assertEquals(len, response.length());
         }
     }
+
+    @AfterClass
+    public static void alterTest() {
+        DubboBootstrap.reset();
+    }
 }