diff --git a/dubbo-plugin/dubbo-qos/src/main/java/org/apache/dubbo/qos/command/impl/GetAddress.java b/dubbo-plugin/dubbo-qos/src/main/java/org/apache/dubbo/qos/command/impl/GetAddress.java
index c65c11b47a..8be7fbd9f2 100644
--- a/dubbo-plugin/dubbo-qos/src/main/java/org/apache/dubbo/qos/command/impl/GetAddress.java
+++ b/dubbo-plugin/dubbo-qos/src/main/java/org/apache/dubbo/qos/command/impl/GetAddress.java
@@ -70,7 +70,7 @@ public class GetAddress implements BaseCommand {
         }
 
         if (commandContext.isHttp()) {
-            return JsonUtils.getJson().toJson(jsonOutput);
+            return JsonUtils.toJson(jsonOutput);
         } else {
             return plainOutput.toString();
         }