Firstly:
In order to make code readable and usable it is necessary to surround your code with three backticks (also known as a left quote or backquote ```)
```
code goes here
```
You can edit and correct your post by clicking the pencil 
icon.
See this post for more details - How to share code or flow json
Next: are you serving echarts? If yes how?
Lastly: your template doesn't look right. You should try to adapt a working vue demo like this one: How to configure Echarts in Dashboard 2? - #4 by Steve-Mcl
