diff --git a/scripts/migrate_uapi_upappid.py b/scripts/migrate_uapi_upappid.py
index 94e0d86..039588b 100644
--- a/scripts/migrate_uapi_upappid.py
+++ b/scripts/migrate_uapi_upappid.py
@@ -26,7 +26,7 @@ async def generate_migration_sql():
         "-- Removes uapiset intermediate layer.",
         "",
         "-- Step 1: Add upappid column to uapi",
-        "ALTER TABLE uapi ADD COLUMN upappid VARCHAR(21) DEFAULT NULL COMMENT '上位系统ID' AFTER id;",
+        "ALTER TABLE uapi ADD COLUMN upappid VARCHAR(32) DEFAULT NULL COMMENT '上位系统ID' AFTER id;",
         ""
     ]