diff --git a/Src/Asp.NetCore2/SqlSugar/Abstract/AdoProvider/AdoProvider.cs b/Src/Asp.NetCore2/SqlSugar/Abstract/AdoProvider/AdoProvider.cs
index 50fbcd772..79b082803 100644
--- a/Src/Asp.NetCore2/SqlSugar/Abstract/AdoProvider/AdoProvider.cs
+++ b/Src/Asp.NetCore2/SqlSugar/Abstract/AdoProvider/AdoProvider.cs
@@ -346,9 +346,12 @@ namespace SqlSugar
             try
             {
                 this.BeginTran();
+                var oldSave = this.Context.CurrentConnectionConfig.SlaveConnectionConfigs;
+                this.Context.CurrentConnectionConfig.SlaveConnectionConfigs = null;
                 if (action != null)
                     action();
                 this.CommitTran();
+                this.Context.CurrentConnectionConfig.SlaveConnectionConfigs = oldSave;
                 result.Data = result.IsSuccess = true;
             }
             catch (Exception ex)
diff --git a/Src/Asp.NetCore2/SqlSugar/Abstract/CodeFirstProvider/CodeFirstProvider.cs b/Src/Asp.NetCore2/SqlSugar/Abstract/CodeFirstProvider/CodeFirstProvider.cs
index b69215205..bf1736f94 100644
--- a/Src/Asp.NetCore2/SqlSugar/Abstract/CodeFirstProvider/CodeFirstProvider.cs
+++ b/Src/Asp.NetCore2/SqlSugar/Abstract/CodeFirstProvider/CodeFirstProvider.cs
@@ -207,6 +207,7 @@ namespace SqlSugar
             var tempTableName = "TempDiff" + DateTime.Now.ToString("yyMMssHHmmssfff");
             var oldTableName = this.Context.EntityMaintenance.GetEntityInfo(type).DbTableName;
             var db = new SqlSugarProvider(UtilMethods.CopyConfig(this.Context.CurrentConnectionConfig));
+            db.CurrentConnectionConfig.SlaveConnectionConfigs = null;
             db.CurrentConnectionConfig.ConfigureExternalServices=UtilMethods.IsNullReturnNew(db.CurrentConnectionConfig.ConfigureExternalServices);
             db.CurrentConnectionConfig.ConfigureExternalServices.EntityNameService += (x, p) =>
             {