diff --git a/spring-cloud-tencent-rpc-enhancement/src/main/java/com/tencent/cloud/rpc/enhancement/plugin/EnhancedRequestContext.java b/spring-cloud-tencent-rpc-enhancement/src/main/java/com/tencent/cloud/rpc/enhancement/plugin/EnhancedRequestContext.java
index 61940ca74..cd69e9ad0 100644
--- a/spring-cloud-tencent-rpc-enhancement/src/main/java/com/tencent/cloud/rpc/enhancement/plugin/EnhancedRequestContext.java
+++ b/spring-cloud-tencent-rpc-enhancement/src/main/java/com/tencent/cloud/rpc/enhancement/plugin/EnhancedRequestContext.java
@@ -90,7 +90,7 @@ public class EnhancedRequestContext {
 				", httpHeaders=" + httpHeaders +
 				", url=" + url +
 				", serviceUrl=" + serviceUrl +
-				", governanceNamespace='" + governanceNamespace +
+				", governanceNamespace='" + governanceNamespace + '\'' +
 				'}';
 	}