diff --git a/DataBase/版本日志/HJGLDB_DS_2025-08-31_lc.sql b/DataBase/版本日志/HJGLDB_DS_2025-08-31_lc.sql
new file mode 100644
index 0000000..ad5034e
--- /dev/null
+++ b/DataBase/版本日志/HJGLDB_DS_2025-08-31_lc.sql
@@ -0,0 +1,2 @@
+Alter TABLE [dbo].[HJGL_BS_Welder]add
+	[ExchangeTime] [datetime] NULL 
\ No newline at end of file