events.js:141，throw er; //Unhandled 'error' event，解决办法
events.js:141
throw er; // Unhandled 'error' event
^
ReferenceError: movies is not defined at C:\Program Files\imooc-project\imooc2\app.js:30:15 at C:\Program Files\imooc-project\imooc2\node_modules\mongoose\lib\query.js: 3017:18 at process._tickCallback (node.js:369:9)
