Can not resolve redux-saga/effects?

[jingxinxin]

...............
build js src/redux/reducer/user.js -> dist/redux/reducer/user.js
build js src/redux/sagas/index.js -> dist/redux/sagas/index.js
build js src/redux/sagas/login.js -> dist/redux/sagas/login.js
/Users/jack/ProjectsMy/helper-labrador/node_modules/redux-saga/effects/index.js
项目构建失败!
Can not resolve redux-saga/effects
Error: Can not resolve redux-saga/effects
at /usr/local/lib/node_modules/labrador-cli/lib/build-js.js:212:15
at RegExp.[Symbol.replace] (native)
at RegExp.[Symbol.replace] (native)
at String.replace (native)
at buildJS (/usr/local/lib/node_modules/labrador-cli/lib/build-js.js:140:15)
at next (native)
at build (/usr/local/lib/node_modules/labrador-cli/lib/build.js:58:16)
at next (native)
at onFulfilled (/usr/local/lib/node_modules/labrador-cli/node_modules/co/index.js:65:19)
at process._tickCallback (internal/process/next_tick.js:109:7)