在命令行中执行 gulp coffee 时提示错误 ： Unhandled 'error' event 。 怎么解决
C:\Users\Administrator\gulp-first\todoList>gulp coffee
[22:35:24] Using gulpfile ~\gulp-first\todoList\gulpfile.js
[22:35:24] Starting 'coffee'...
[22:35:24] Finished 'coffee' after 8.3 ms
events.js:183
throw er; // Unhandled 'error' event
^
C:\Users\Administrator\gulp-first\todoList\assets\js\add-todo-controller.coffee:
1:29: error: unexpected string
module.exports = ['$scope',([1;31m'$scope'[0m) ->
[1;31m ^^^^^^^^[0m
