fix

backend/docker-compose.prod.yml

@@ -58,9 +58,7 @@ services:
 
   # 数据库迁移服务 (一次性运行)
   migrate:
-    build:
-      context: .
-      dockerfile: Dockerfile
+    image: crpi-b4fqtfbvv583enk2.cn-shanghai.personal.cr.aliyuncs.com/photography-backend/photography:latest
     container_name: photography-migrate
     environment:
       DB_HOST: ${DB_HOST:-localhost}