同步UIkit以及同步色板时出现更新冲突
#### Please tell us your OS and Sketch version when create issues.

- [x] Make sure you are using the latest version of [WeSketch](https://github.com/weixin/WeSketch)
- [x] OS Version: `macOS (10.12.x)`
- [x] Sketch Version: `v44.1+`

#### Issues below

