--watch doesn't work on windows

[koba04]

When I use --watch option on windows, the following error occurred sometimes.

Succeeded: dist/plugin.zip
events.js:183
      throw er; // Unhandled 'error' event
      ^

Error: file data stream has unexpected number of bytes
    at ByteCounter.<anonymous> (C:\Users\koba04\kintone-plugin\hello-kintone-plugin\node_modules\yazl\index.js:144:99)
    at emitNone (events.js:111:20)
    at ByteCounter.emit (events.js:208:7)
    at endReadableNT (_stream_readable.js:1064:12)
    at _combinedTickCallback (internal/process/next_tick.js:138:11)
    at process._tickCallback (internal/process/next_tick.js:180:9)