diff --git a/Src/Asp.NetCore2/SqlSugar/Abstract/AdoProvider/AdoProvider.cs b/Src/Asp.NetCore2/SqlSugar/Abstract/AdoProvider/AdoProvider.cs
index e90eb2183..38f3ccfb4 100644
--- a/Src/Asp.NetCore2/SqlSugar/Abstract/AdoProvider/AdoProvider.cs
+++ b/Src/Asp.NetCore2/SqlSugar/Abstract/AdoProvider/AdoProvider.cs
@@ -122,6 +122,10 @@ namespace SqlSugar
         {
             CheckConnection();
         }
+        public virtual async Task OpenAsync() 
+        {
+            await CheckConnectionAsync();
+        }
         public SugarConnection  OpenAlways() 
         {
             SugarConnection result = new SugarConnection();
@@ -131,7 +135,7 @@ namespace SqlSugar
             this.Context.CurrentConnectionConfig.IsAutoCloseConnection = false;
             this.Open();
             return result;
-        }
+        } 
         public virtual void Close()
         {
             if (this.Transaction != null)
diff --git a/Src/Asp.NetCore2/SqlSugar/Interface/IAdo.cs b/Src/Asp.NetCore2/SqlSugar/Interface/IAdo.cs
index 549cc986a..77bd5b5cc 100644
--- a/Src/Asp.NetCore2/SqlSugar/Interface/IAdo.cs
+++ b/Src/Asp.NetCore2/SqlSugar/Interface/IAdo.cs
@@ -174,7 +174,9 @@ namespace SqlSugar
 
         void Dispose();
         void Close();
+        Task CloseAsync();
         void Open();
+        Task OpenAsync();
         SugarConnection OpenAlways();
         bool IsValidConnection();
         bool IsValidConnectionNoClose();