diff --git a/README.md b/README.md
index f74180e..69164eb 100644
--- a/README.md
+++ b/README.md
@@ -188,11 +188,15 @@ array与list类型都能表示列表，它们区别在于array生成的代码为
 </enum>
 ```
 或者在 \_\_enums\_\_.xlsx 中 定义
-|##|full_name|item|alias|value|comment|tags|
-|- | - | - | - | - | - | - |
-||ItemQuality|WHITE|白|1|||
-||ItemQuality|GREEN|绿|2|||
-||ItemQuality|RED|红|3|||
+
+<table border="1">
+<tr align="center"><td>##</td><td>full_name</td><td>flags</td><td>unique</td><td>comment</td><td>tags</td><td colspan="5">*items</td></tr>
+<tr align="center"><td>##+</td><td></td><td></td><td></td><td></td><td></td><td>name</td><td>alias</td><td>value</td><td>comment</td><td>tags</td></tr>
+<tr align="center"><td/><td>ItemQuality</td><td>false</td><td>true</td><td/><td/><td>WHITE</td><td>白</td><td>0</td><td/><td/></tr>
+<tr align="center"><td/><td></td><td></td><td></td><td/><td/><td>GREEN</td><td>绿</td><td>1</td><td/><td/></tr>
+<tr align="center"><td/><td></td><td></td><td></td><td/><td/><td>RED</td><td>红</td><td>2</td><td/><td/></tr>
+
+</table>
 
 
 数据表如下
@@ -360,8 +364,8 @@ xml中定义如下
 </tr>
 
 <tr align="center"><td/><td>1</td><td>task1</td><td>1</td><td>10</td><td>desc1</td><td>2</td><td>12</td><td>desc2</td><td>3</td><td>13</td><td>desc3</td></tr>
-<tr align="center"><td/><td>2</td><td>task1</td><td>3</td><td>30</td><td>desc3</td><td>4</td><td>40</td><td>desc4</td></tr>
-<tr align="center"><td/><td>3</td><td>task1</td><td>5</td><td>50</td><td>desc5</td></tr>
+<tr align="center"><td/><td>2</td><td>task1</td><td>3</td><td>30</td><td>desc3</td><td>4</td><td>40</td><td>desc4</td><td/><td/><td/></tr>
+<tr align="center"><td/><td>3</td><td>task1</td><td>5</td><td>50</td><td>desc5</td><td/><td/><td/><td/><td/><td/></tr>
 </table>
 
 ### 多行结构列表
diff --git a/src/Luban.Job.Cfg/Source/Defs/CfgDefLoader.cs b/src/Luban.Job.Cfg/Source/Defs/CfgDefLoader.cs
index eae5484..49e592b 100644
--- a/src/Luban.Job.Cfg/Source/Defs/CfgDefLoader.cs
+++ b/src/Luban.Job.Cfg/Source/Defs/CfgDefLoader.cs
@@ -52,16 +52,15 @@ namespace Luban.Job.Cfg.Defs
 
         public Defines BuildDefines()
         {
-            return new Defines()
+            var defines = new Defines()
             {
-                TopModule = TopModule,
                 Patches = _patches,
-                Enums = _enums,
-                Beans = _beans,
                 Tables = _cfgTables,
                 Services = _cfgServices,
                 Groups = _cfgGroups,
             };
+            BuildCommonDefines(defines);
+            return defines;
         }
 
         private static readonly List<string> _excelImportRequireAttrs = new List<string> { "name", "type" };
@@ -480,6 +479,36 @@ namespace Luban.Job.Cfg.Defs
             }
             var inputFileInfos = await DataLoaderUtil.CollectInputFilesAsync(this.Agent, this._importExcelEnumFiles, dataDir);
 
+
+            var ass = new DefAssembly("", null, new List<string>(), Agent);
+
+            var enumItemType = new DefBean(new CfgBean()
+            {
+                Namespace = "__intern__",
+                Name = "__EnumItem__",
+                Parent = "",
+                Alias = "",
+                IsValueType = false,
+                Sep = "",
+                TypeId = 0,
+                IsSerializeCompatible = false,
+                Fields = new List<Field>
+                {
+                    new CfgField() { Name = "name", Type = "string" },
+                    new CfgField() { Name = "alias", Type = "string" },
+                    new CfgField() { Name = "value", Type = "string" },
+                    new CfgField() { Name = "comment", Type = "string" },
+                    new CfgField() { Name = "tags", Type = "string" },
+                }
+            })
+            {
+                AssemblyBase = ass,
+            };
+            ass.AddType(enumItemType);
+            enumItemType.PreCompile();
+            enumItemType.Compile();
+            enumItemType.PostCompile();
+
             var defTableRecordType = new DefBean(new CfgBean()
             {
                 Namespace = "__intern__",
@@ -493,16 +522,17 @@ namespace Luban.Job.Cfg.Defs
                 Fields = new List<Field>
                 {
                     new CfgField() { Name = "full_name", Type = "string" },
-                    new CfgField() { Name = "item", Type = "string" },
-                    new CfgField() { Name = "alias", Type = "string" },
-                    new CfgField() { Name = "value", Type = "int" },
                     new CfgField() { Name = "comment", Type = "string" },
+                    new CfgField() { Name = "flags", Type = "bool" },
                     new CfgField() { Name = "tags", Type = "string" },
+                    new CfgField() { Name = "unique", Type = "bool" },
+                    new CfgField() { Name = "items", Type = "list,__EnumItem__" },
                 }
             })
             {
-                AssemblyBase = new DefAssembly("", null, new List<string>(), Agent),
+                AssemblyBase = ass,
             };
+            ass.AddType(defTableRecordType);
             defTableRecordType.PreCompile();
             defTableRecordType.Compile();
             defTableRecordType.PostCompile();
@@ -514,7 +544,6 @@ namespace Luban.Job.Cfg.Defs
                 var bytes = await this.Agent.GetFromCacheOrReadAllBytesAsync(file.ActualFile, file.MD5);
                 var records = DataLoaderUtil.LoadCfgRecords(tableRecordType, file.OriginFile, null, bytes, true);
 
-                PEnum curEnum = null;
                 foreach (var r in records)
                 {
                     DBean data = r.Data;
@@ -527,22 +556,26 @@ namespace Luban.Job.Cfg.Defs
                     }
                     string module = TypeUtil.GetNamespace(fullName);
 
-                    if (curEnum == null || curEnum.Name != name || curEnum.Namespace != module)
-                    {
-                        curEnum = new PEnum() { Name = name, Namespace = module, IsFlags = false, Comment = "", IsUniqueItemId = true };
-                        this._enums.Add(curEnum);
-                    }
+                    DList items = (data.GetField("items") as DList);
 
-                    string item = (data.GetField("item") as DString).Value.Trim();
-                    if (string.IsNullOrWhiteSpace(item))
+                    var curEnum = new PEnum()
                     {
-                        throw new Exception($"file:{file.ActualFile} module:'{module}' name:'{name}' 定义了一个空枚举项");
-                    }
-                    string alias = (data.GetField("alias") as DString).Value.Trim();
-                    string value = (data.GetField("value") as DInt).Value.ToString();
-                    string comment = (data.GetField("comment") as DString).Value.Trim();
-                    string tags = (data.GetField("tags") as DString).Value.Trim();
-                    curEnum.Items.Add(new EnumItem() { Name = item, Alias = alias, Value = value, Comment = comment, Tags = tags });
+                        Name = name,
+                        Namespace = module,
+                        IsFlags = (data.GetField("flags") as DBool).Value,
+                        Tags = (data.GetField("tags") as DString).Value,
+                        Comment = (data.GetField("comment") as DString).Value,
+                        IsUniqueItemId = (data.GetField("unique") as DBool).Value,
+                        Items = items.Datas.Cast<DBean>().Select(d => new EnumItem()
+                        {
+                            Name = (d.GetField("name") as DString).Value,
+                            Alias = (d.GetField("alias") as DString).Value,
+                            Value = (d.GetField("value") as DString).Value,
+                            Comment = (d.GetField("comment") as DString).Value,
+                            Tags = (d.GetField("tags") as DString).Value,
+                        }).ToList(),
+                    };
+                    this._enums.Add(curEnum);
                 };
             }
         }
diff --git a/src/Luban.Job.Cfg/Source/RawDefs/Defines.cs b/src/Luban.Job.Cfg/Source/RawDefs/Defines.cs
index 0b9d2d2..9c6d04a 100644
--- a/src/Luban.Job.Cfg/Source/RawDefs/Defines.cs
+++ b/src/Luban.Job.Cfg/Source/RawDefs/Defines.cs
@@ -3,16 +3,10 @@ using System.Collections.Generic;
 
 namespace Luban.Job.Cfg.RawDefs
 {
-    public class Defines
+    public class Defines : DefinesCommon
     {
-        public string TopModule { get; set; } = "";
-
         public List<Patch> Patches { get; set; } = new List<Patch>();
 
-        public List<Bean> Beans { get; set; } = new List<Bean>();
-
-        public List<PEnum> Enums { get; set; } = new List<PEnum>();
-
         public List<Table> Tables { get; set; } = new List<Table>();
 
         public List<Group> Groups { get; set; } = new List<Group>();
diff --git a/src/Luban.Job.Common/Source/Defs/CommonDefLoader.cs b/src/Luban.Job.Common/Source/Defs/CommonDefLoader.cs
index 0b9bc92..1ab4e40 100644
--- a/src/Luban.Job.Common/Source/Defs/CommonDefLoader.cs
+++ b/src/Luban.Job.Common/Source/Defs/CommonDefLoader.cs
@@ -49,12 +49,14 @@ namespace Luban.Job.Common.Defs
 
         protected readonly List<PEnum> _enums = new List<PEnum>();
         protected readonly List<Bean> _beans = new List<Bean>();
+        protected readonly HashSet<string> _externalSelectors = new();
 
         protected CommonDefLoader(IAgent agent)
         {
             Agent = agent;
 
             _rootDefineHandlers.Add("topmodule", SetTopModule);
+            _rootDefineHandlers.Add("externalselector", AddExternalSelector);
 
             _moduleDefineHandlers.Add("module", AddModule);
             _moduleDefineHandlers.Add("enum", AddEnum);
@@ -103,6 +105,14 @@ namespace Luban.Job.Common.Defs
 
         protected string CurNamespace => _namespaceStack.Count > 0 ? _namespaceStack.Peek() : "";
 
+        protected void BuildCommonDefines(DefinesCommon defines)
+        {
+            defines.TopModule = TopModule;
+            defines.Enums = _enums;
+            defines.Beans = _beans;
+            defines.ExternalSelectors = _externalSelectors;
+        }
+
         #region root handler
 
         private void SetTopModule(XElement e)
@@ -327,6 +337,18 @@ namespace Luban.Job.Common.Defs
             s_logger.Trace("add enum:{@enum}", en);
             _enums.Add(en);
         }
+
+        private static readonly List<string> _selectorRequiredAttrs = new List<string> { "name" };
+        private void AddExternalSelector(XElement e)
+        {
+            ValidAttrKeys(_rootXml, e, null, _selectorRequiredAttrs);
+            string name = XmlUtil.GetRequiredAttribute(e, "name");
+            if (!_externalSelectors.Add(name))
+            {
+                throw new LoadDefException($"定义文件:{_rootXml} externalselector name:{name} 重复");
+            }
+            s_logger.Info("add selector:{}", name);
+        }
         #endregion
     }
 }
diff --git a/src/Luban.Job.Common/Source/GenArgsBase.cs b/src/Luban.Job.Common/Source/GenArgsBase.cs
index a5ec457..aa9cb2a 100644
--- a/src/Luban.Job.Common/Source/GenArgsBase.cs
+++ b/src/Luban.Job.Common/Source/GenArgsBase.cs
@@ -53,6 +53,9 @@ namespace Luban.Job.Common
         [Option("cs:use_unity_vector", Required = false, HelpText = "use UnityEngine.Vector{2,3,4}")]
         public bool CsUseUnityVectors { get; set; }
 
+        [Option("external:selectors", Required = false, HelpText = "external selectors")]
+        public string ExternalSelectors { get; set; }
+
         public AccessConvention AccessConventionBeanMember { get; set; }
 
         public bool ValidateOutouptCodeDir(ref string errMsg)
diff --git a/src/Luban.Job.Common/Source/RawDefs/DefinesCommon.cs b/src/Luban.Job.Common/Source/RawDefs/DefinesCommon.cs
new file mode 100644
index 0000000..289c868
--- /dev/null
+++ b/src/Luban.Job.Common/Source/RawDefs/DefinesCommon.cs
@@ -0,0 +1,19 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Luban.Job.Common.RawDefs
+{
+    public class DefinesCommon
+    {
+        public string TopModule { get; set; } = "";
+
+        public HashSet<string> ExternalSelectors { get; set; } = new HashSet<string>();
+
+        public List<Bean> Beans { get; set; } = new List<Bean>();
+
+        public List<PEnum> Enums { get; set; } = new List<PEnum>();
+    }
+}
diff --git a/src/Luban.Job.Db/Source/Defs/DbDefLoader.cs b/src/Luban.Job.Db/Source/Defs/DbDefLoader.cs
index 3e199d8..fc196e9 100644
--- a/src/Luban.Job.Db/Source/Defs/DbDefLoader.cs
+++ b/src/Luban.Job.Db/Source/Defs/DbDefLoader.cs
@@ -20,13 +20,12 @@ namespace Luban.Job.Db.Defs
 
         public Defines BuildDefines()
         {
-            return new Defines()
+            var defines = new Defines()
             {
-                TopModule = TopModule,
-                Enums = _enums,
-                Beans = _beans,
                 DbTables = _tables,
             };
+            BuildCommonDefines(defines);
+            return defines;
         }
 
         private readonly List<string> _tableOptionalAttrs = new List<string> { "memory", "comment" };
diff --git a/src/Luban.Job.Db/Source/RawDefs/Defines.cs b/src/Luban.Job.Db/Source/RawDefs/Defines.cs
index 9f9eaf2..2ab49be 100644
--- a/src/Luban.Job.Db/Source/RawDefs/Defines.cs
+++ b/src/Luban.Job.Db/Source/RawDefs/Defines.cs
@@ -3,14 +3,8 @@ using System.Collections.Generic;
 
 namespace Luban.Job.Db.RawDefs
 {
-    public class Defines
+    public class Defines : DefinesCommon
     {
-        public string TopModule { get; set; } = "";
-
-        public List<Bean> Beans { get; set; } = new List<Bean>();
-
-        public List<PEnum> Enums { get; set; } = new List<PEnum>();
-
         public List<Table> DbTables { get; set; } = new List<Table>();
     }
 }
diff --git a/src/Luban.Job.Proto/Source/Defs/ProtoDefLoader.cs b/src/Luban.Job.Proto/Source/Defs/ProtoDefLoader.cs
index c97d27d..2b2282b 100644
--- a/src/Luban.Job.Proto/Source/Defs/ProtoDefLoader.cs
+++ b/src/Luban.Job.Proto/Source/Defs/ProtoDefLoader.cs
@@ -24,14 +24,13 @@ namespace Luban.Job.Proto.Defs
 
         public Defines BuildDefines()
         {
-            return new Defines()
+            var defines = new Defines()
             {
-                TopModule = TopModule,
-                Enums = _enums,
-                Beans = _beans,
                 Protos = _protos,
                 Rpcs = _rpcs,
             };
+            BuildCommonDefines(defines);
+            return defines;
         }
 
         private readonly List<string> rpcAttrs = new List<string> { "id" };
diff --git a/src/Luban.Job.Proto/Source/RawDefs/Defines.cs b/src/Luban.Job.Proto/Source/RawDefs/Defines.cs
index 3a0d5e1..49aa4a7 100644
--- a/src/Luban.Job.Proto/Source/RawDefs/Defines.cs
+++ b/src/Luban.Job.Proto/Source/RawDefs/Defines.cs
@@ -3,16 +3,10 @@ using System.Collections.Generic;
 
 namespace Luban.Job.Proto.RawDefs
 {
-    public class Defines
+    public class Defines : DefinesCommon
     {
-        public string TopModule { get; set; } = "";
-
         public List<Service> ProtoServices { get; set; } = new List<Service>();
 
-        public List<Bean> Beans { get; set; } = new List<Bean>();
-
-        public List<PEnum> Enums { get; set; } = new List<PEnum>();
-
         public List<PProto> Protos { get; set; } = new List<PProto>();
 
         public List<PRpc> Rpcs { get; set; } = new List<PRpc>();