文件链接却弹出图片框 bug

public/javascripts/application.js

@@ -969,6 +969,7 @@ function showNormalImage(id) {
             var element=$("<a></a>").attr("href",image.attr('src'));
             image.wrap(element);
         }
+        $('#'+id+' a').colorbox({rel:'nofollow', close: "关闭", returnFocus: false}); //有图片才将链接变为弹出框
     }
-    $('#'+id+' a').colorbox({rel:'nofollow', close: "关闭", returnFocus: false});
+
 }