diff --git a/Src/Asp.NetCore2/SqlSugar/Abstract/InsertableProvider/InsertableHelper.cs b/Src/Asp.NetCore2/SqlSugar/Abstract/InsertableProvider/InsertableHelper.cs
index 21b77b1fb..6152fc7e3 100644
--- a/Src/Asp.NetCore2/SqlSugar/Abstract/InsertableProvider/InsertableHelper.cs
+++ b/Src/Asp.NetCore2/SqlSugar/Abstract/InsertableProvider/InsertableHelper.cs
@@ -335,8 +335,11 @@ namespace SqlSugar
             else
             {
                 return this.EntityInfo.Columns.Where(it => {
-
-                    Check.Exception(it.IsIdentity && it.UnderType == typeof(string), "IsIdentity key can not be type of string");
+                    
+                    if (StaticConfig.Check_StringIdentity)
+                    {
+                        Check.ExceptionEasy(it.IsIdentity && it.UnderType == typeof(string), "Auto-incremented is not a string, how can I use a executable startup configuration: StaticConfig.Check_StringIdentity=false ", "自增不是能string,如何非要用可以程序启动配置：StaticConfig.Check_StringIdentity=false");
+                    }
                     return it.IsIdentity;
 
                 }).Select(it => it.DbColumnName).ToList();
diff --git a/Src/Asp.NetCore2/SqlSugar/Infrastructure/StaticConfig.cs b/Src/Asp.NetCore2/SqlSugar/Infrastructure/StaticConfig.cs
index 42d698877..1946695ed 100644
--- a/Src/Asp.NetCore2/SqlSugar/Infrastructure/StaticConfig.cs
+++ b/Src/Asp.NetCore2/SqlSugar/Infrastructure/StaticConfig.cs
@@ -21,5 +21,7 @@ namespace SqlSugar
         public static Action<ISqlSugarClient> CompleteDbFunc;
 
         public static Func<List<SplitTableInfo>> SplitTableGetTablesFunc;
+
+        public static bool Check_StringIdentity = true;
     }
 }