It’s OK to use other browsers, it’s OK to test other mobile phones, and it’s also been tested on other Huawei models. For the time being, only the Mate series has this problem. The test found that the file name (file.name) obtained by js has garbled symbols such as %3A. If you have a Huawei phone mate8, you can test that Baidu's webuploader also has this problem.
http://fex.baidu.com/webuploa...
Native controls in WeChat may not be compatible with some models. Please use WeChat JSSDK
Interface for taking pictures or selecting pictures from the mobile phone album