bump version to 0.2.0
diff --git a/common/Cargo.toml b/common/Cargo.toml
index b7723d9..b056b33 100644
--- a/common/Cargo.toml
+++ b/common/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "common"
-version = "0.1.0"
+version = "0.2.0"
 edition = "2021"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
diff --git a/config/Cargo.toml b/config/Cargo.toml
index 80d843e..27833cc 100644
--- a/config/Cargo.toml
+++ b/config/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "dubbo-config"
-version = "0.1.0"
+version = "0.2.0"
 edition = "2021"
 license = "Apache-2.0"
 description = "dubbo-config"
diff --git a/dubbo-build/Cargo.toml b/dubbo-build/Cargo.toml
index 1c04bf7..a4715b7 100644
--- a/dubbo-build/Cargo.toml
+++ b/dubbo-build/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "dubbo-build"
-version = "0.1.0"
+version = "0.2.0"
 edition = "2021"
 license = "Apache-2.0"
 description = "dubbo-build"
diff --git a/dubbo/Cargo.toml b/dubbo/Cargo.toml
index fb039e9..d96a72b 100644
--- a/dubbo/Cargo.toml
+++ b/dubbo/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "dubbo"
-version = "0.1.0"
+version = "0.2.0"
 edition = "2021"
 license = "Apache-2.0"
 description = "dubbo"
@@ -34,4 +34,4 @@
 async-stream = "0.3"
 flate2 = "1.0"
 
-dubbo-config = {path = "../config", version = "0.1.0"}
+dubbo-config = {path = "../config", version = "0.2.0"}
diff --git a/examples/echo/Cargo.toml b/examples/echo/Cargo.toml
index e892d55..9e794b0 100644
--- a/examples/echo/Cargo.toml
+++ b/examples/echo/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "example-echo"
-version = "0.1.0"
+version = "0.2.0"
 edition = "2021"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
@@ -23,8 +23,8 @@
 async-trait = "0.1.56"
 tokio-stream = "0.1"
 
-dubbo = {path = "../../dubbo", version = "0.1.0"}
-dubbo-config = {path = "../../config", version = "0.1.0"}
+dubbo = {path = "../../dubbo", version = "0.2.0"}
+dubbo-config = {path = "../../config", version = "0.2.0"}
 
 [build-dependencies]
-dubbo-build = {path = "../../dubbo-build", version = "0.1.0"}
+dubbo-build = {path = "../../dubbo-build", version = "0.2.0"}
diff --git a/examples/greeter/Cargo.toml b/examples/greeter/Cargo.toml
index 306735d..b698bc7 100644
--- a/examples/greeter/Cargo.toml
+++ b/examples/greeter/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "example-greeter"
-version = "0.1.0"
+version = "0.2.0"
 edition = "2021"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
@@ -23,8 +23,8 @@
 async-trait = "0.1.56"
 tokio-stream = "0.1"
 
-dubbo = {path = "../../dubbo", version = "0.1.0"}
-dubbo-config = {path = "../../config", version = "0.1.0"}
+dubbo = {path = "../../dubbo", version = "0.2.0"}
+dubbo-config = {path = "../../config", version = "0.2.0"}
 
 [build-dependencies]
-dubbo-build = {path = "../../dubbo-build", version = "0.1.0"}
+dubbo-build = {path = "../../dubbo-build", version = "0.2.0"}
diff --git a/metadata/Cargo.toml b/metadata/Cargo.toml
index a600f4c..2974366 100644
--- a/metadata/Cargo.toml
+++ b/metadata/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "metadata"
-version = "0.1.0"
+version = "0.2.0"
 edition = "2021"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
diff --git a/registry/Cargo.toml b/registry/Cargo.toml
index 89c58fc..e9357f4 100644
--- a/registry/Cargo.toml
+++ b/registry/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "registry"
-version = "0.1.0"
+version = "0.2.0"
 edition = "2021"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
diff --git a/xds/Cargo.toml b/xds/Cargo.toml
index 75e2515..2a63597 100644
--- a/xds/Cargo.toml
+++ b/xds/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "xds"
-version = "0.1.0"
+version = "0.2.0"
 edition = "2021"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html