message: style(cli): limit em max width
diff: @@ -136,10 +136,12 @@ export default {
  }
  em {
  + display: inline-block;
  color: @van-doc-green;
  font-size: 14px;
  font-family: @van-doc-code-font-family;
  font-style: normal;
  + max-width: 400px;
  -webkit-font-smoothing: auto;
  }
  }
  