123213
### How did it happen?
1.
2.
3.


### Error log

```
EISDIR: illegal operation on a directory, read '/Users/chenchen/Desktop/haibang-ui/.exportedArtboards/rui/Checkbox '

{
	"path": "/Users/chenchen/Desktop/haibang-ui/.exportedArtboards/rui/Checkbox ",
	"syscall": "read",
	"code": "EISDIR",
	"errno": -21
}

o@/Users/chenchen/Library/Application Support/com.bohemiancoding.sketch3/Plugins/Git.sketchplugin/Contents/Sketch/__commands_Commit.js:1:28692
@/Users/chenchen/Library/Application Support/com.bohemiancoding.sketch3/Plugins/Git.sketchplugin/Contents/Sketch/__commands_Commit.js:1:29167
@/Users/chenchen/Library/Application Support/com.bohemiancoding.sketch3/Plugins/Git.sketchplugin/Contents/Sketch/__commands_Commit.js:1:5357
@/Users/chenchen/Library/Application Support/com.bohemiancoding.sketch3/Plugins/Git.sketchplugin/Contents/Sketch/__commands_Commit.js:1:34549
forEach@[native code]
b@/Users/chenchen/Library/Application Support/com.bohemiancoding.sketch3/Plugins/Git.sketchplugin/Contents/Sketch/__commands_Commit.js:1:34463
@/Users/chenchen/Library/Application Support/com.bohemiancoding.sketch3/Plugins/Git.sketchplugin/Contents/Sketch/__commands_Commit.js:1:35882
@/Users/chenchen/Library/Application Support/com.bohemiancoding.sketch3/Plugins/Git.sketchplugin/Contents/Sketch/__commands_Commit.js:1:35374
@/Users/chenchen/Library/Application Support/com.bohemiancoding.sketch3/Plugins/Git.sketchplugin/Contents/Sketch/__commands_Commit.js:1:35407
__skpm_run@/Users/chenchen/Library/Application Support/com.bohemiancoding.sketch3/Plugins/Git.sketchplugin/Contents/Sketch/__commands_Commit.js:1:36220
__skpm_run@[native code]
```