diff --git a/Src/Asp.NetCore2/SqlSugar/Abstract/SugarProvider/SqlSugarAccessory.cs b/Src/Asp.NetCore2/SqlSugar/Abstract/SugarProvider/SqlSugarAccessory.cs
index d7e970c13..a3fe6fef9 100644
--- a/Src/Asp.NetCore2/SqlSugar/Abstract/SugarProvider/SqlSugarAccessory.cs
+++ b/Src/Asp.NetCore2/SqlSugar/Abstract/SugarProvider/SqlSugarAccessory.cs
@@ -404,6 +404,9 @@ namespace SqlSugar
                     Check.Exception(InstanceFactory.CustomNamespace.IsNullOrEmpty(), "DbType.Custom: InstanceFactory.CustomNamespace is not null  ");
                     Check.Exception(InstanceFactory.CustomDllName.IsNullOrEmpty(), "DbType.Custom: InstanceFactory.CustomDllName is not null  ");
                     break;
+                case DbType.QuestDB:
+                    Check.Exception(SugarCompatible.IsFramework, "QuestDB only support .net core");
+                    break;
                 default:
                     throw new Exception("ConnectionConfig.DbType is null");
             }
diff --git a/Src/Asp.NetCore2/SqlSugar/Enum/DbType.cs b/Src/Asp.NetCore2/SqlSugar/Enum/DbType.cs
index f8cc764a3..b47ec0ae1 100644
--- a/Src/Asp.NetCore2/SqlSugar/Enum/DbType.cs
+++ b/Src/Asp.NetCore2/SqlSugar/Enum/DbType.cs
@@ -18,6 +18,7 @@ namespace SqlSugar
         MySqlConnector,
         Access,
         OpenGauss,
+        QuestDB,
         Custom =900
     }
 }