Fix BUG in #813 (#816)

Author: cxgreat2014

plugins/disabled-Multiuser/MultiuserPlugin.py

@@ -186,7 +186,7 @@ def actionOptionalLimitSet(self, to, *args, **kwargs):
         if not config.multiuser_local:
             self.cmd("notification", ["info", "This function is disabled on this proxy"])
         else:
-            return super(UiWebsocketPlugin, self).actionSiteClone(to, *args, **kwargs)
+            return super(UiWebsocketPlugin, self).actionOptionalLimitSet(to, *args, **kwargs)
 
 
 @PluginManager.registerTo("ConfigPlugin")