fix post video timeout (#1182)
fix post video timeout (#1182)

* fix post video timeout

when upload video, if it can not be finished in 5 seconds, it would be throw an exception :
```local.ERROR: cURL error 28: Operation timed out after 5001 milliseconds```

* StyCI

StyCI

acgrid/wechat,allen05ren/wechat,acgrid/wechat,tianyong90/wechat,allen05ren/wechat,tianyong90/wechat