diff --git a/Src/Asp.NetCore2/SqlSugar/Realization/Sqlite/DbMaintenance/SqliteDbMaintenance.cs b/Src/Asp.NetCore2/SqlSugar/Realization/Sqlite/DbMaintenance/SqliteDbMaintenance.cs
index 41ed211eb..65471bb09 100644
--- a/Src/Asp.NetCore2/SqlSugar/Realization/Sqlite/DbMaintenance/SqliteDbMaintenance.cs
+++ b/Src/Asp.NetCore2/SqlSugar/Realization/Sqlite/DbMaintenance/SqliteDbMaintenance.cs
@@ -62,7 +62,7 @@ namespace SqlSugar
         {
             get
             {
-                return "ALTER TABLE {0} ADD COLUMN IF NOT EXISTS {1} {2}{3}";
+                return "ALTER TABLE {0} ADD COLUMN {1} {2}{3}";
             }
         }
         protected override string AlterColumnToTableSql