[bug]角色查询 无游戏区服全显示问题

Application/Admin/View/User/rolelist.html

@@ -281,6 +281,8 @@ $(".select_gallery").select2();
      $("#promote_level").change();
      var game_id = "{:I('server_id')}";
             $("#game_type").change(function(){
+                var game_name =  $("#game_name option:selected").val();
+                if(game_name != ''){
                     $.ajax({
                         url:"{:U('Ajax/getGmeServer')}",
                         type:"post",
@@ -296,6 +298,11 @@ $(".select_gallery").select2();
                             $("#server_id").select2();
                         }
                     })
+                }else{
+                    $("#server_id").html("");
+                    $("#server_id").append("<option value=''>请选择</option>"); 
+                }
+                
             });
 
             $("#game_name").change(function(){