Generally divided into two cases,
The first advance that you have defined a title, such as home ah what,
Second, you can not confirm, such as a watch page article, this title is the title of the article, you can not know in advance is that users get the article.
The first:
1-1, first we need to set the title to the routing
1-2, the following code is written in the file main.js
The second:
2-1, to install a plug (not installed cnpm use NPM)
cnpm install vue-wechat-title --save
2-2, configure main.js
2-3, with v-wechat-title = "this.title" on the first page you need to change a div, title again the following data which is defined by the data.
2-4, dynamically change the title