update compiler vertion to 0.0.2
diff --git a/dubbo-samples-protobuf/pom.xml b/dubbo-samples-protobuf/pom.xml
index 2a388b2..1d81128 100644
--- a/dubbo-samples-protobuf/pom.xml
+++ b/dubbo-samples-protobuf/pom.xml
@@ -28,7 +28,7 @@
         <source.level>1.8</source.level>
         <target.level>1.8</target.level>
         <skip_maven_deploy>true</skip_maven_deploy>
-        <dubbo.compiler.version>0.0.1</dubbo.compiler.version>
+        <dubbo.compiler.version>0.0.2</dubbo.compiler.version>
         <dubbo.version>2.7.7</dubbo.version>
         <spring.version>4.3.16.RELEASE</spring.version>
     </properties>