Vue - Solve the problem that Property or method “__v_isRef“ is not defined on the instance but referenced (the browser console reports an error, the code is correct)

Error reporting

There are no online tutorials about this problem that can solve it. If your error message is 80% similar to mine, it can be solved.

In vue project development, when using component libraries (such as ElementUI / Ant Design Vue, etc.), the following error message appears on the browser console,

Property or method “__v_isRef” is not defined on the instance but referenced