[bug]角色查询 无游戏区服全显示问题

Application/Admin/View/User/rolelist.html

@@ -281,21 +281,28 @@ $(".select_gallery").select2();
      $("#promote_level").change();
      var game_id = "{:I('server_id')}";
             $("#game_type").change(function(){
-                $.ajax({
-                    url:"{:U('Ajax/getGmeServer')}",
-                    type:"post",
-                    data:{sdk_version:$("#game_type option:selected").val(), game_name:$("#game_name option:selected").val()},
-                    dataType:'json',
-                    success:function(data){
-                        str = "<option value=''>请选择区服</option>";
-                        for (var i in data){
-                            str += "<option value='"+data[i].server_id+"' "+(game_id && data[i].server_id == game_id?'selected':'')+">"+data[i].server_name+"</option>"
+                var game_name =  $("#game_name option:selected").val();
+                if(game_name != ''){
+                    $.ajax({
+                        url:"{:U('Ajax/getGmeServer')}",
+                        type:"post",
+                        data:{sdk_version:$("#game_type option:selected").val(), game_name:$("#game_name option:selected").val()},
+                        dataType:'json',
+                        success:function(data){
+                            str = "<option value=''>请选择区服</option>";
+                            for (var i in data){
+                                str += "<option value='"+data[i].server_id+"' "+(game_id && data[i].server_id == game_id?'selected':'')+">"+data[i].server_name+"</option>"
+                            }
+                            $("#server_id").empty();
+                            $("#server_id").append(str);
+                            $("#server_id").select2();
                         }
-                        $("#server_id").empty();
-                        $("#server_id").append(str);
-                        $("#server_id").select2();
-                    }
-                })
+                    })
+                }else{
+                    $("#server_id").html("");
+                    $("#server_id").append("<option value=''>请选择</option>"); 
+                }
+                
             });
 
             $("#game_name").change(function(){