[Bug Report] Can you fix the bug in your takeaway merchant version? It can still announce new orders when the sound is turned off. I’m really convinced. What are the programmers doing?

### Element UI version
2.15.14

### OS/Browsers version
0.0.0.0

### Vue version
2.7.16

### Reproduction Link
https://codepen.io/ziyoung/pen/LKNBqB

### Steps to reproduce
First like this, then like this, finally like that, it happens again

### What is Expected?
Please stop screaming after turning off the sound, okay?

### What is actually happening?
Even after turning off the sound, it’s still calling