diff --git a/Falcon.SugarApi/DatabaseDefinitions/EntityServices/SetupLengthColumnServices.cs b/Falcon.SugarApi/DatabaseDefinitions/EntityServices/SetupLengthColumnServices.cs
index 7be2c9e..7661087 100644
--- a/Falcon.SugarApi/DatabaseDefinitions/EntityServices/SetupLengthColumnServices.cs
+++ b/Falcon.SugarApi/DatabaseDefinitions/EntityServices/SetupLengthColumnServices.cs
@@ -1,4 +1,5 @@
 using SqlSugar;
+using System;
 using System.Collections.Generic;
 using System.ComponentModel.DataAnnotations;
 using System.Linq;
@@ -9,22 +10,19 @@ namespace Falcon.SugarApi.DatabaseDefinitions.EntityServices
     /// <summary>
     /// 设置长度规则
     /// </summary>
-    public class SetupLengthColumnServices : IEntityColumnServices
+    public class SetupLengthColumnServices:IEntityColumnServices
     {
         /// <inheritdoc/>
-        public void SetupColumn(PropertyInfo p, EntityColumnInfo c) {
-            var len = new List<int>();
-            if (p.TryGetAttribute<StringLengthAttribute>(out var sl)) {
+        public void SetupColumn(PropertyInfo p,EntityColumnInfo c) {
+            var len = new List<int> { };
+            if(p.TryGetAttribute<StringLengthAttribute>(out var sl)) {
                 len.Add(sl.MaximumLength);
             }
-            if (p.TryGetAttribute<MaxLengthAttribute>(out var la)) {
+            if(p.TryGetAttribute<MaxLengthAttribute>(out var la)) {
                 len.Add(la.Length);
             }
-            if (p.TryGetAttribute<SugarColumn>(out var sc)) {
-                len.Add(sc.Length);
-            }
-            if (len.Any()) {
-                c.Length = len.Max();
+            if(len.Any()) {
+                c.Length=len.Reduce(c.Length,(m,i) => Math.Max(m,i));
             }
         }
     }