diff --git a/202408/南网仓储/purchase_check_details_20240828.sql b/202408/南网仓储/purchase_check_details_20240828.sql
new file mode 100644
index 0000000..8459db9
--- /dev/null
+++ b/202408/南网仓储/purchase_check_details_20240828.sql
@@ -0,0 +1,2 @@
+-- 修改check_url字段长度
+ALTER TABLE purchase_check_details MODIFY COLUMN check_url VARCHAR(4000);
\ No newline at end of file
diff --git a/202408/重庆机具/purchase_check_details_20240828.sql b/202408/重庆机具/purchase_check_details_20240828.sql
new file mode 100644
index 0000000..8459db9
--- /dev/null
+++ b/202408/重庆机具/purchase_check_details_20240828.sql
@@ -0,0 +1,2 @@
+-- 修改check_url字段长度
+ALTER TABLE purchase_check_details MODIFY COLUMN check_url VARCHAR(4000);
\ No newline at end of file