Search for Vue.js devtools in Google Store and
add it to Chrome
After adding, you can view it in the extension and turn
it on to display it on the page.
If you need to use it in a file you wrote, you can set the permission to access the file URL. 
Finally, we can use it when accessing our own file URL. Vue's debugging tools
Self-motivation
Those who make great things in ancient times are not only talents who are superior to the world, but also have perseverance.