pass failed supervisor

Summary: Ref T615

Test Plan: N/A

Reviewers: wuzesheng

Reviewed By: wuzesheng

Maniphest Tasks: T615

Differential Revision: http://phabricator.n.miliao.com/D2457
Make tank_client more compatible

Summary: Ref T671

Test Plan: N/A

Reviewers: yongxing

Reviewed By: yongxing

Maniphest Tasks: T671

Differential Revision: http://phabricator.n.miliao.com/D2463