diff --git a/Falcon.SugarApi/DatabaseDefinitions/EntityServices/SetupKeyColumnServices.cs b/Falcon.SugarApi/DatabaseDefinitions/EntityServices/SetupKeyColumnServices.cs
index 730e38c..9b681e8 100644
--- a/Falcon.SugarApi/DatabaseDefinitions/EntityServices/SetupKeyColumnServices.cs
+++ b/Falcon.SugarApi/DatabaseDefinitions/EntityServices/SetupKeyColumnServices.cs
@@ -14,6 +14,11 @@ namespace Falcon.SugarApi.DatabaseDefinitions.EntityServices
             if (p.TryGetAttribute<KeyAttribute>(out var _)) {
                 c.IsPrimarykey = true;
             }
+            //属性只要加了SugarColumn特性，不管是不是增加SugarColumn(IsPrimarykey=false),IsPrimarykey都是false
+            //只要存在SugarColumn特性KeyAttribute便会无效。
+            //if (p.TryGetAttribute<SugarColumn>(out var sc)) {
+            //    c.IsPrimarykey = sc.IsPrimaryKey;
+            //}
         }
     }
 }
diff --git a/Falcon.SugarApi/DatabaseDefinitions/EntityServices/SetupLengthColumnServices.cs b/Falcon.SugarApi/DatabaseDefinitions/EntityServices/SetupLengthColumnServices.cs
index c09c611..7be2c9e 100644
--- a/Falcon.SugarApi/DatabaseDefinitions/EntityServices/SetupLengthColumnServices.cs
+++ b/Falcon.SugarApi/DatabaseDefinitions/EntityServices/SetupLengthColumnServices.cs
@@ -20,6 +20,9 @@ namespace Falcon.SugarApi.DatabaseDefinitions.EntityServices
             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();
             }
diff --git a/Falcon.SugarApi/DatabaseDefinitions/SugarConnectionConfig.cs b/Falcon.SugarApi/DatabaseDefinitions/SugarConnectionConfig.cs
index 2d7c74b..5064eeb 100644
--- a/Falcon.SugarApi/DatabaseDefinitions/SugarConnectionConfig.cs
+++ b/Falcon.SugarApi/DatabaseDefinitions/SugarConnectionConfig.cs
@@ -54,8 +54,6 @@ namespace Falcon.SugarApi.DatabaseDefinitions
             };
         }
 
-        private static ICacheService? CacheService = null;
-
         /// <summary>
         /// 通过配置实现Redis缓冲，必须单例实现.
         /// <para>默认:127.0.0.1:6379,password=,connectTimeout=3000,connectRetry=1,syncTimeout=10000,DefaultDatabase=0</para>