الصوت متر والضوضاء الكاشف

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* Fix background bugs
* (Homepage) Solve the problem of no ripple effect when clicking some buttons
* (Camera page) Solve the problem of not being able to jump to the video interface when there is no camera permission
* (Camera page) Solve the problem of the app crashing when clicking "Switch front and rear cameras" when there is no camera permission
* Add a guide page