VUE encountered "Can not read property '__ob__' of undefined" solution!

The only problem I encountered, to find a long time ......
initially found the page can be initialized come in each jump, but as long as this page is the jump off, you can not execute a jump again, thought it was a temporary network or browser question, people also may be my problem ......

In fact, this is a fairly simple question, is your scaffolding, to define the data portion to this:

        data(){
          return {}  
        }

Often appear above the wrong question, are you not write return {}, just write:

        data(){  
        }

Ah, well, on this, and it recorded a small bit of work, so there is an exception to be found at the ......