fix some bug in ios16

fix some issues on ios14

Fit for ios14.

Fix the bluetooth-headset error.

1、modify some sounds.
2、others fixed.

fix some crash bug.

fix some ui.

fix some bugs.

fix some bug

You can rename the recording file.

fix one bug on iPhone6 plus

Perfectly adaptation on iPhone6 & iPhone6 plus

1、Support headphones

You can adjust the number of the keyboard.

1, bug fixed
2、Remove notification

1、You can remove the ad.
2、fix some bugs

1、bug fixed.
2、new fuction

１、you can change the volume.

１、bug　fixed