diff --git a/app/views/games/_code_actions.html.erb b/app/views/games/_code_actions.html.erb
index 8405338b8..aa9f48703 100644
--- a/app/views/games/_code_actions.html.erb
+++ b/app/views/games/_code_actions.html.erb
@@ -78,9 +78,11 @@
 
     /* -----------------下一关增加loading效果--------------------- */
     $("#next_step").live("click", function(){
-        nNext = $("#code_estimate");
-        html = "<a href='javascript:void(0);' class='task-btn mr15 mt8'>下一关<img src='/images/bigdata/loading2.svg' style='width:25px;float:left;margin-top: 3px' /></a>";
-        nNext.html(html);
+        if($("#next_step").attr("href") != "javascript:void(0);"){
+            nNext = $("#code_estimate");
+            html = "<a href='javascript:void(0);' class='task-btn mr15 mt8'>下一关<img src='/images/bigdata/loading2.svg' style='width:25px;float:left;margin-top: 3px' /></a>";
+            nNext.html(html);
+        }
     });