diff --git a/README.md b/README.md
index 271a02c..73dde5e 100644
--- a/README.md
+++ b/README.md
@@ -736,7 +736,7 @@ binary格式占空间最小，lua其次，json最大。
 
 ![pipeline](docs/images/examples/d_70.jpg)
 
-## [LubanAssistant](https://github.com/focus-creative-games/Tools/LubanAssistant) Excel插件。神器！
+## [LubanAssistant](https://github.com/focus-creative-games/luban_examples/tree/main/Tools/LubanAssistant) Excel插件。神器！
 对于多人协作编辑的配置表，如何以xlsx格式保存配置，很容易出现数据冲突覆盖的问题，在大型项目中尤为严重。另外合并多分支数据时，xlsx无法像文本文件那样自动解决冲突，给项目的版本维护带来很大麻烦。
 
 一个合理的解决思路是，以json、xml之类格式保存配置数据，在excel中编辑。LubanAssistant较好地解决了这个问题，使用者既享受luban强大的数据处理能力、同时拥有json良好的可阅读性及多版本可维护性，还能兼顾excel的便捷的编辑能力。
diff --git a/src/Luban.Job.Cfg/Source/Validators/SizeValidator.cs b/src/Luban.Job.Cfg/Source/Validators/SizeValidator.cs
new file mode 100644
index 0000000..3e59dab
--- /dev/null
+++ b/src/Luban.Job.Cfg/Source/Validators/SizeValidator.cs
@@ -0,0 +1,90 @@
+using Luban.Job.Cfg.Datas;
+using Luban.Job.Common.Defs;
+using Luban.Job.Common.Types;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Luban.Job.Cfg.Validators
+{
+    internal class SizeValidator : IValidator
+    {
+        public const string NAME = "size";
+        private readonly TType _field;
+        private readonly int _size;
+
+        public SizeValidator(TType field, string rule)
+        {
+            this._field = field;
+            this._size = int.Parse(rule);
+        }
+
+        public void Compile(DefFieldBase def)
+        {
+
+        }
+
+        private string Source => ValidatorContext.CurrentVisitor.CurrentValidateRecord.Source;
+
+        public void Validate(ValidatorContext ctx, TType type, DType data)
+        {
+            var assembly = ctx.Assembly;
+            void LogError(int size)
+            {
+                assembly.Agent.Error("记录 {0}:{1} (来自文件:{2}) size:{3},但要求为 {4} ", ValidatorContext.CurrentRecordPath, data, Source, size, _size);
+            }
+
+            if (type.IsNullable && data == null)
+            {
+                return;
+            }
+
+            switch (data)
+            {
+                case DArray b:
+                {
+                    if (b.Datas.Count != _size)
+                    {
+                        LogError(b.Datas.Count);
+                        return;
+                    }
+                    break;
+                }
+                case DList b:
+                {
+                    if (b.Datas.Count != _size)
+                    {
+                        LogError(b.Datas.Count);
+                        return;
+                    }
+                    break;
+                }
+                case DSet b:
+                {
+                    if (b.Datas.Count != _size)
+                    {
+                        LogError(b.Datas.Count);
+                        return;
+                    }
+                    break;
+                }
+                case DMap b:
+                {
+                    if (b.Datas.Count != _size)
+                    {
+                        LogError(b.Datas.Count);
+                        return;
+                    }
+                    break;
+                }
+                default:
+                {
+                    assembly.Agent.Error("记录 {0}:{1} (来自文件:{2}) 不支持 size", ValidatorContext.CurrentRecordPath, data, Source);
+                    return;
+                }
+            }
+        }
+    }
+}
diff --git a/src/Luban.Job.Cfg/Source/Validators/ValidatorFactory.cs b/src/Luban.Job.Cfg/Source/Validators/ValidatorFactory.cs
index 1aeb015..9ee1498 100644
--- a/src/Luban.Job.Cfg/Source/Validators/ValidatorFactory.cs
+++ b/src/Luban.Job.Cfg/Source/Validators/ValidatorFactory.cs
@@ -11,7 +11,13 @@ namespace Luban.Job.Cfg.Validators
     {
         private static readonly NLog.Logger s_logger = NLog.LogManager.GetCurrentClassLogger();
 
-        private readonly static List<string> s_validatorNames = new List<string>() { RefValidator.NAME, PathValidator.NAME, RangeValidator.NAME };
+        private readonly static List<string> s_validatorNames = new List<string>()
+        {
+            RefValidator.NAME,
+            PathValidator.NAME,
+            RangeValidator.NAME,
+            SizeValidator.NAME
+        };
 
         public static List<string> ValidatorNames => s_validatorNames;
 
@@ -32,8 +38,12 @@ namespace Luban.Job.Cfg.Validators
                 {
                     return new RangeValidator(field, rule);
                 }
+                case SizeValidator.NAME:
+                {
+                    return new SizeValidator(field, rule);
+                }
                 default:
-                    throw new NotSupportedException("unknown validator type:" + type);
+                throw new NotSupportedException("unknown validator type:" + type);
             }
         }
     }