Bugfix.

Apply fixes from StyleCI (overtrue#36)

[ci skip] [skip ci]

Update readme.

Apply fixes from StyleCI (overtrue#32)

[ci skip] [skip ci]

CS.

Fix tests.

Merge pull request overtrue#10 from leo108/master

fix: 当自定义 gateway 没有传入参数时无法使用问题

CS.

Fix test.