diff --git a/apm-sniffer/apm-sdk-plugin/spring-plugins/mvc-annotation-commons/src/main/java/org/apache/skywalking/apm/plugin/spring/mvc/commons/interceptor/RequestMappingMethodInterceptor.java b/apm-sniffer/apm-sdk-plugin/spring-plugins/mvc-annotation-commons/src/main/java/org/apache/skywalking/apm/plugin/spring/mvc/commons/interceptor/RequestMappingMethodInterceptor.java
index fad198d625b6ff1cefb2e9e798affe362c0827d1..c45a38786818d7c0b031de0e6a0968396629300a 100644
--- a/apm-sniffer/apm-sdk-plugin/spring-plugins/mvc-annotation-commons/src/main/java/org/apache/skywalking/apm/plugin/spring/mvc/commons/interceptor/RequestMappingMethodInterceptor.java
+++ b/apm-sniffer/apm-sdk-plugin/spring-plugins/mvc-annotation-commons/src/main/java/org/apache/skywalking/apm/plugin/spring/mvc/commons/interceptor/RequestMappingMethodInterceptor.java
@@ -41,7 +41,7 @@ public class RequestMappingMethodInterceptor extends AbstractMethodInterceptor {
                     requestURL.append(",");
                 }
             }
-            requestURL = new StringBuilder("}");
+            requestURL.append("}");
         }
         if (methodRequestMapping.value().length > 0) {
             requestURL.append(methodRequestMapping.value()[0]);