Please try to restart it first.
If it really doesn't work, it is recommended to consider brushing.
If it can be started, and Tencent Mobile Manager is installed in the mobile phone, the process and cache can be thoroughly optimized and cleaned through the cleaning acceleration function:
Open Tencent mobile phone housekeeper-clean up and accelerate.
If a lot of software is installed, you can also uninstall some appropriately through software management:
Open Tencent Mobile Manager-Software Management
There are many stored files, which can be cleaned by slimming the phone:
Open Tencent mobile phone housekeeper-clean up and speed up-slim down the mobile phone.