diff --git a/extensions/wisdom-monitor/src/main/java/org/wisdom/monitor/MonitorCenter.java b/extensions/wisdom-monitor/src/main/java/org/wisdom/monitor/MonitorCenter.java
index fc0ede59a..263c4bb9c 100644
--- a/extensions/wisdom-monitor/src/main/java/org/wisdom/monitor/MonitorCenter.java
+++ b/extensions/wisdom-monitor/src/main/java/org/wisdom/monitor/MonitorCenter.java
@@ -7,9 +7,9 @@
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
- *
+ * 
  *      http://www.apache.org/licenses/LICENSE-2.0
- *
+ * 
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
@@ -161,7 +161,7 @@ private MonitorExtension getExtensionByName(String name) {
                 return extension;
             }
         }
-        //return null;
+        return null;
     }
 
     /**