migration test ddl upgrade

backend/migration_refuse_oauth/refuse_oauth.sql

 -- 在测试库执行完migration_release之后，执行这个语句，阻止token刷新
 -- 切记不可在生产库执行
-UPDATE accounts SET schedulable = false,credentials = NUll  WHERE type = 'oauth';
\ No newline at end of file
+UPDATE accounts SET schedulable = false,credentials = NUll  WHERE type = 'oauth';
+-- 将代理置为不可用状态
+update proxies set status='inactive' where status='active';
\ No newline at end of file