diff --git a/Src/Asp.NetCore2/SqlSugar.TDengineCore/TDengine/TDengineProvider.cs b/Src/Asp.NetCore2/SqlSugar.TDengineCore/TDengine/TDengineProvider.cs
index 7ad2b35d4..f20c35ac7 100644
--- a/Src/Asp.NetCore2/SqlSugar.TDengineCore/TDengine/TDengineProvider.cs
+++ b/Src/Asp.NetCore2/SqlSugar.TDengineCore/TDengine/TDengineProvider.cs
@@ -4,6 +4,7 @@ using System.Data;
 using System.Data.Common;
 using System.Linq;
 using System.Text;
+using System.Text.RegularExpressions;
 using System.Threading.Tasks;
 using SqlSugar.TDengineAdo;
 namespace SqlSugar.TDengine
@@ -24,6 +25,7 @@ namespace SqlSugar.TDengine
                     try
                     { 
                         var TDengineConnectionString = base.Context.CurrentConnectionConfig.ConnectionString;
+                        TDengineConnectionString=Regex.Replace(TDengineConnectionString, @"\;db\=", ";Database=", RegexOptions.IgnoreCase);
                         base._DbConnection = new TDengineConnection(TDengineConnectionString);
                     }
                     catch (Exception)