diff --git a/maxkey-webs/maxkey-web-resources/src/main/resources/static/javascript/platform.common.js b/maxkey-webs/maxkey-web-resources/src/main/resources/static/javascript/platform.common.js
index 2c4c7af28..aae598d98 100644
--- a/maxkey-webs/maxkey-web-resources/src/main/resources/static/javascript/platform.common.js
+++ b/maxkey-webs/maxkey-web-resources/src/main/resources/static/javascript/platform.common.js
@@ -29,25 +29,24 @@ $(function(){
         });
     });
     
-	
-    		
 	//on captcha image click ,new a captcha code
 	$('.captcha-image').click(function () {//
 		$(this).attr("src", webContextPath + "/captcha?"+(new Date()).getTime()); 
 	});
 	
     /*side-nav-menu side navigation*/
-    if($('#side-nav-menu')["metisMenu"]){
+    if($('#side-nav-menu').length > 0){
         $('#side-nav-menu').metisMenu();
+        
+        $('.side-nav-menu').each(function(){
+            var href = $(this).attr('href');
+            if(window.location.href.indexOf(href) > 0){
+                $(this).parents("li").addClass("mm-active");
+                $(this).parents("li").children("ul").addClass("mm-show");
+            }
+         });
     }
      
-    $('.side-nav-menu').each(function(){
-        var href = $(this).attr('href');
-        if(window.location.href.indexOf(href) > 0){
-            $(this).parents("li").addClass("mm-active");
-            $(this).parents("li").children("ul").addClass("mm-show");
-        }
-     });
 	/** switch_tab*/
     $(".switch_tab_class").on("click",function(){
         if($(".switch_tab_current").attr("id")==(this.id)){