修改文案，不清楚为什么在win上，打包会出现失败的情况，而mac打包win则不会

@@ -117,8 +117,8 @@ function greeting () {
   const cols = process.stdout.columns
   let text = ''
 
-  if (cols > 85) text = 'lets-build'
-  else if (cols > 60) text = 'lets-|build'
+  if (cols > 85) text = `let's-build`
+  else if (cols > 60) text = `let's-|build`
   else text = false
 
   if (text && !isCI) {
@@ -127,6 +127,6 @@ function greeting () {
       font: 'simple3d',
       space: false
     })
-  } else console.log(chalk.yellow.bold('\n  lets-build'))
+  } else console.log(chalk.yellow.bold(`\n  let's-build`))
   console.log()
 }
\ No newline at end of file

@@ -32,8 +32,7 @@
       "dist/electron/**/*"
     ],
     "dmg": {
-      "contents": [
-        {
+      "contents": [{
           "x": 410,
           "y": 150,
           "type": "link",
@@ -136,4 +135,4 @@
     "webpack-hot-middleware": "^2.25.0",
     "webpack-merge": "^4.2.1"
   }
-}
+}
\ No newline at end of file