diff --git a/import_codes.py b/import_codes.py
index e561d3f..214758f 100644
--- a/import_codes.py
+++ b/import_codes.py
@@ -84,8 +84,8 @@ def import_data_json(cursor, filepath):
         cursor.execute("""
             INSERT INTO appcodes_kv (id, parentid, k, v)
             VALUES (%s, %s, %s, %s)
-            ON DUPLICATE KEY UPDATE v=VALUES(v)
-        """, (item['id'], item.get('parentid', ''), item['k'], item['v']))
+            ON DUPLICATE KEY UPDATE id=VALUES(id), v=VALUES(v)
+        """, (item['id'], item['parentid'], item['k'], item['v']))
     print(f"  appcodes_kv: {len(appcodes_kv)} 条")
 
     return len(appcodes), len(appcodes_kv)