creator 1.6.0正式版,改了script文件名后打不开了

creator 1.6,改了script文件名后打不开了。
改前:
MyPoint.js

function setPoint(){

};

function getPoint(){

};

module.exports = {
setPoint: setPoint,
getPoint: getPoint,
};

Game.js
const MyPoint = require(‘MyPoint’);

var Game = cc.Class({

onStart(){
    let myPoint = MyPoint.getPoint();
}

});
改前运行正常。

改后:
Point.js

function setPoint(){

};

function getPoint(){

};

module.exports = {
setPoint: setPoint,
getPoint: getPoint,
};

Game.js
const Point = require(‘Point’);

var Game = cc.Class({

onStart(){
    let point = Point.getPoint();
}

});

刚改完后报错,提示找不到MyPoint变量。今天连项目也打不开了,点击打开后,项目的图标出现,点击图标没有什何反应。