diff --git a/Src/Asp.Net/SqlSugar/Abstract/DbMaintenanceProvider/Methods.cs b/Src/Asp.Net/SqlSugar/Abstract/DbMaintenanceProvider/Methods.cs
index 5e0d7b3f4..eb30df5e2 100644
--- a/Src/Asp.Net/SqlSugar/Abstract/DbMaintenanceProvider/Methods.cs
+++ b/Src/Asp.Net/SqlSugar/Abstract/DbMaintenanceProvider/Methods.cs
@@ -40,6 +40,7 @@ namespace SqlSugar
         public List<DbTableInfo> GetTableInfoList(Func<DbType,string, string> getChangeSqlFunc)
         { 
             var db=this.Context.CopyNew();
+            db.CurrentConnectionConfig.IsAutoCloseConnection = true;
             db.Aop.OnExecutingChangeSql = (sql, pars) =>
             {
                 sql= getChangeSqlFunc(this.Context.CurrentConnectionConfig.DbType, sql);
@@ -66,6 +67,7 @@ namespace SqlSugar
         public List<DbColumnInfo> GetColumnInfosByTableName(string tableName, Func<DbType, string, string> getChangeSqlFunc) 
         {
             var db = this.Context.CopyNew();
+            db.CurrentConnectionConfig.IsAutoCloseConnection = true;
             db.Aop.OnExecutingChangeSql = (sql, pars) =>
             {
                 sql = getChangeSqlFunc(this.Context.CurrentConnectionConfig.DbType, sql);
diff --git a/Src/Asp.Net/SqlSugar/Abstract/InsertableProvider/SplitInsertable.cs b/Src/Asp.Net/SqlSugar/Abstract/InsertableProvider/SplitInsertable.cs
index 42070d5f4..8a194fe5a 100644
--- a/Src/Asp.Net/SqlSugar/Abstract/InsertableProvider/SplitInsertable.cs
+++ b/Src/Asp.Net/SqlSugar/Abstract/InsertableProvider/SplitInsertable.cs
@@ -214,11 +214,15 @@ namespace SqlSugar
             this.Context.Ado.IsEnableLogEvent = false;
             foreach (var item in TableNames.GroupBy(it=>it.Key).Select(it=>it).ToDictionary(it=>it.Key,it=>it.First().Value))
             {
-                if (!this.Context.CopyNew().DbMaintenance.IsAnyTable(item.Key, false)) 
+                var newDb = this.Context.CopyNew();
+                newDb.CurrentConnectionConfig.IsAutoCloseConnection = true;
+                if (!newDb.DbMaintenance.IsAnyTable(item.Key, false)) 
                 {
                     lock (SplitLockObj)
                     {
-                        if (!this.Context.CopyNew().DbMaintenance.IsAnyTable(item.Key, false))
+                        var newDb2 = this.Context.CopyNew();
+                        newDb2.CurrentConnectionConfig.IsAutoCloseConnection = true;
+                        if (!newDb2.DbMaintenance.IsAnyTable(item.Key, false))
                         {
                             if (item.Value != null)
                             {