diff --git a/README.md b/README.md
index 509d007..c7525e8 100644
--- a/README.md
+++ b/README.md
@@ -80,7 +80,7 @@ luban统一了游戏配置开发工作流，极大提升了策划和程序的工
 <tr align="center">
   <td>##type</td>
   <td>int</id>
-  <td>array,int</td>
+  <td>(array#sep=;),int</td>
   <td colspan="4">list,int</td>
   <td>(list#sep=|),string</td>
   <td colspan="3">list,string</td>
@@ -97,7 +97,7 @@ luban统一了游戏配置开发工作流，极大提升了策划和程序的工
 <tr align="center">
 <td/>
 <td>1</td>
-<td>1,2,3</td>
+<td>1;2;3</td>
 <td>1</td><td>2</td><td></td><td></td>
 <td>xx|yy</td>
 <td>xxx</td><td>zzz</td><td></td>
@@ -115,7 +115,7 @@ luban统一了游戏配置开发工作流，极大提升了策划和程序的工
 <tr align="center">
 <td/>
 <td>3</td>
-<td>2|4|6</td>
+<td>2;4;6</td>
 <td>3</td><td>4</td><td>5</td><td>6</td>
 <td>aaaa|bbbb|cccc</td>
 <td>aaa</td><td>bbb</td><td>ccc</td>
@@ -372,7 +372,7 @@ Reward为包含 "int item_id; int count; string desc; " 这三个字段的子结
 
 <table border="1">
 <tr align="center">
-<td>##var&column</td>
+<td>##var#column</td>
 <td>##type</td>
 <td>##</td>
 <td></td>
diff --git a/src/Luban.Job.Cfg/Source/Defs/DefTable.cs b/src/Luban.Job.Cfg/Source/Defs/DefTable.cs
index 6d1a6df..2d2c48e 100644
--- a/src/Luban.Job.Cfg/Source/Defs/DefTable.cs
+++ b/src/Luban.Job.Cfg/Source/Defs/DefTable.cs
@@ -1,5 +1,6 @@
 using Bright.Collections;
 using Luban.Job.Cfg.RawDefs;
+using Luban.Job.Cfg.TypeVisitors;
 using Luban.Job.Common.Types;
 using Luban.Job.Common.Utils;
 using System;
@@ -130,6 +131,7 @@ namespace Luban.Job.Cfg.Defs
                     }
                     KeyTType = IndexField.CType;
                     Type = TMap.Create(false, null, KeyTType, ValueTType, false);
+                    this.IndexList.Add(new IndexInfo(KeyTType, IndexField, IndexFieldIdIndex));
                     break;
                 }
                 case ETableMode.LIST:
@@ -154,6 +156,20 @@ namespace Luban.Job.Cfg.Defs
                 }
                 default: throw new Exception($"unknown mode:'{Mode}'");
             }
+
+            foreach(var index in IndexList)
+            {
+                TType indexType = index.Type;
+                string idxName = index.IndexField.Name;
+                if (indexType.IsNullable)
+                {
+                    throw new Exception($"table:'{FullName}' index:'{idxName}' 不能为 nullable类型");
+                }
+                if (!indexType.Apply(IsValidTableKeyTypeVisitor.Ins))
+                {
+                    throw new Exception($"table:'{FullName}' index:'{idxName}' 的类型:'{index.IndexField.Type}' 不能作为index");
+                }
+            }
         }
     }
 }
diff --git a/src/Luban.Job.Cfg/Source/TypeVisitors/IsMultiData.cs b/src/Luban.Job.Cfg/Source/TypeVisitors/IsMultiData.cs
deleted file mode 100644
index 9bc1e19..0000000
--- a/src/Luban.Job.Cfg/Source/TypeVisitors/IsMultiData.cs
+++ /dev/null
@@ -1,41 +0,0 @@
-using Luban.Job.Common.Types;
-using Luban.Job.Common.TypeVisitors;
-
-namespace Luban.Job.Cfg.TypeVisitors
-{
-    class IsMultiData : AllFalseVisitor
-    {
-        public static IsMultiData Ins { get; } = new IsMultiData();
-
-        public override bool Accept(TBytes type)
-        {
-            return true;
-        }
-
-
-        public override bool Accept(TBean type)
-        {
-            return true;
-        }
-
-        public override bool Accept(TArray type)
-        {
-            return true;
-        }
-
-        public override bool Accept(TList type)
-        {
-            return true;
-        }
-
-        public override bool Accept(TSet type)
-        {
-            return true;
-        }
-
-        public override bool Accept(TMap type)
-        {
-            return true;
-        }
-    }
-}
diff --git a/src/Luban.Job.Cfg/Source/TypeVisitors/IsNotSepTypeVisitor.cs b/src/Luban.Job.Cfg/Source/TypeVisitors/IsValidTableKeyTypeVisitor.cs
similarity index 86%
rename from src/Luban.Job.Cfg/Source/TypeVisitors/IsNotSepTypeVisitor.cs
rename to src/Luban.Job.Cfg/Source/TypeVisitors/IsValidTableKeyTypeVisitor.cs
index 0e16d60..0d8e3bd 100644
--- a/src/Luban.Job.Cfg/Source/TypeVisitors/IsNotSepTypeVisitor.cs
+++ b/src/Luban.Job.Cfg/Source/TypeVisitors/IsValidTableKeyTypeVisitor.cs
@@ -3,11 +3,11 @@ using Luban.Job.Common.TypeVisitors;
 
 namespace Luban.Job.Cfg.TypeVisitors
 {
-    class IsNotSepTypeVisitor : AllTrueVisitor
+    class IsValidTableKeyTypeVisitor : AllTrueVisitor
     {
-        //public static IsNotSepTypeVisitor Ins { get; } = new IsNotSepTypeVisitor();
+        public static IsValidTableKeyTypeVisitor Ins { get; } = new();
 
-        public override bool Accept(TString type)
+        public override bool Accept(TText type)
         {
             return false;
         }