How can Apple's mobile phone clean up its memory without uninstalling WeChat, preferably selectively?

Apple's mobile phone cleans up the memory occupied by WeChat:

1. Open the login WeChat and enter the main interface of WeChat;

2. Click the "i" option, and then click Settings;

3. Click the general options in the setting interface;

4. Click to clear the storage space of WeChat in common interfaces;

5. Then select the deleted content and select all;

6. Then select Delete, and a prompt will appear. Confirm the deletion and complete the cleaning of WeChat storage space.