diff --git a/plugins/memcached/index.py b/plugins/memcached/index.py
index 4719cbe8c..87a17b4e6 100755
--- a/plugins/memcached/index.py
+++ b/plugins/memcached/index.py
@@ -271,4 +271,4 @@ if __name__ == "__main__":
     elif func == 'save_conf':
         print(saveConf())
     else:
-        print('fail')
+        print('error')