diff --git a/src/Luban.Job.Cfg/Source/DataExporters/Json2Exportor.cs b/src/Luban.Job.Cfg/Source/DataExporters/Json2Exportor.cs
new file mode 100644
index 0000000..e598fc3
--- /dev/null
+++ b/src/Luban.Job.Cfg/Source/DataExporters/Json2Exportor.cs
@@ -0,0 +1,56 @@
+using Luban.Job.Cfg.Datas;
+using Luban.Job.Cfg.Defs;
+using Luban.Job.Common.Types;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Text.Json;
+using System.Threading.Tasks;
+
+namespace Luban.Job.Cfg.DataExporters
+{
+    class Json2Exportor : JsonExportor
+    {
+        public new static Json2Exportor Ins { get; } = new();
+
+        public override void Accept(DMap type, DefAssembly ass, Utf8JsonWriter x)
+        {
+            var keyType = type.Type.KeyType;
+            if (keyType is not TString
+                && keyType is not TInt
+                && keyType is not TLong)
+            {
+                throw new Exception($"data_json2格式只支持key为int,long,string类型的map");
+            }
+            x.WriteStartObject();
+            foreach (var d in type.Datas)
+            {
+                switch (d.Key)
+                {
+                    case DString ds:
+                    {
+                        x.WritePropertyName(ds.Value);
+                        break;
+                    }
+                    case DInt di:
+                    {
+                        x.WritePropertyName(di.Value.ToString());
+                        break;
+                    }
+                    case DLong dl:
+                    {
+                        x.WritePropertyName(dl.Value.ToString());
+                        break;
+                    }
+                    default:
+                    {
+                        throw new Exception($"data_json2格式只支持key为int,long,string类型的map");
+                    }
+                }
+                d.Value.Apply(this, ass, x);
+            }
+            x.WriteEndObject();
+        }
+    }
+}
diff --git a/src/Luban.Job.Cfg/Source/DataExporters/JsonExportor.cs b/src/Luban.Job.Cfg/Source/DataExporters/JsonExportor.cs
index ebd475e..ef74be1 100644
--- a/src/Luban.Job.Cfg/Source/DataExporters/JsonExportor.cs
+++ b/src/Luban.Job.Cfg/Source/DataExporters/JsonExportor.cs
@@ -150,7 +150,7 @@ namespace Luban.Job.Cfg.DataExporters
             WriteList(type.Datas, ass, x);
         }
 
-        public void Accept(DMap type, DefAssembly ass, Utf8JsonWriter x)
+        public virtual void Accept(DMap type, DefAssembly ass, Utf8JsonWriter x)
         {
             x.WriteStartArray();
             foreach (var d in type.Datas)
diff --git a/src/Luban.Job.Cfg/Source/JobController.cs b/src/Luban.Job.Cfg/Source/JobController.cs
index cf0964e..b3af3fa 100644
--- a/src/Luban.Job.Cfg/Source/JobController.cs
+++ b/src/Luban.Job.Cfg/Source/JobController.cs
@@ -46,7 +46,7 @@ namespace Luban.Job.Cfg
             [Option("output_data_json_monolithic_file", Required = false, HelpText = "output monolithic json file")]
             public string OutputDataJsonMonolithicFile { get; set; }
 
-            [Option("gen_types", Required = true, HelpText = "code_cs_bin,code_cs_json,code_cs_unity_json,code_lua_bin,code_java_bin,code_go_bin,code_go_json,code_cpp_bin,code_python27_json,code_python3_json,code_typescript_bin,code_typescript_json,data_bin,data_lua,data_json,data_json_monolithic . can be multi")]
+            [Option("gen_types", Required = true, HelpText = "code_cs_bin,code_cs_json,code_cs_unity_json,code_lua_bin,code_java_bin,code_go_bin,code_go_json,code_cpp_bin,code_python27_json,code_python3_json,code_typescript_bin,code_typescript_json,data_bin,data_lua,data_json,data_json2,data_json_monolithic . can be multi")]
             public string GenType { get; set; }
 
             [Option('s', "service", Required = true, HelpText = "service")]
@@ -128,7 +128,8 @@ namespace Luban.Job.Cfg
             switch (genType)
             {
                 case "data_bin": return "bin";
-                case "data_json": return "json";
+                case "data_json":
+                case "data_json2": return "json";
                 case "data_lua": return "lua";
                 default: throw new Exception($"not support output data type:{genType}");
             }
@@ -385,6 +386,7 @@ namespace Luban.Job.Cfg
                         }
                         case "data_bin":
                         case "data_json":
+                        case "data_json2":
                         case "data_lua":
                         {
                             await CheckLoadCfgDataAsync();
diff --git a/src/Luban.Job.Cfg/Source/Utils/DataExporterUtil.cs b/src/Luban.Job.Cfg/Source/Utils/DataExporterUtil.cs
index 250fb69..2ecb186 100644
--- a/src/Luban.Job.Cfg/Source/Utils/DataExporterUtil.cs
+++ b/src/Luban.Job.Cfg/Source/Utils/DataExporterUtil.cs
@@ -30,7 +30,11 @@ namespace Luban.Job.Cfg.Utils
                     return bytes;
                 }
                 case "data_json":
+                case "data_json2":
                 {
+                    // data_json与data_json2格式区别在于
+                    // data_json的map格式是 [[key1,value1],[] ..]
+                    // data_json2的map格式是 { key1:value1, ...}
                     var ss = new MemoryStream();
                     var jsonWriter = new Utf8JsonWriter(ss, new JsonWriterOptions()
                     {
@@ -38,7 +42,15 @@ namespace Luban.Job.Cfg.Utils
                         SkipValidation = false,
                         Encoder = System.Text.Encodings.Web.JavaScriptEncoder.Create(System.Text.Unicode.UnicodeRanges.All),
                     });
-                    JsonExportor.Ins.WriteList(records, table.Assembly, jsonWriter);
+                    if (dataType == "data_json")
+                    {
+                        JsonExportor.Ins.WriteList(records, table.Assembly, jsonWriter);
+                    }
+                    else
+                    {
+
+                        Json2Exportor.Ins.WriteList(records, table.Assembly, jsonWriter);
+                    }
                     jsonWriter.Flush();
                     return System.Text.Encoding.UTF8.GetString(DataUtil.StreamToBytes(ss));
                 }