android_background_ingore.sh: 128: read: Illegal option -s

Ubuntu 18.10
After creating a whitelist and choose 1, the shell entered a loop of echoing the message below:

```
USB调试未关闭！
android_background_ingore.sh: 128: read: Illegal option -s


USB调试未关闭！
android_background_ingore.sh: 128: read: Illegal option -s

```

Thanks