Does the subject want to ask "what is the reason for the error code 20005 of signature failure?"

1. According to the query of Zhongguancun Online, the client used the wrong key.

2.Android, please confirm whether the package name and package signature are configured on the server.

3. The Android package signature of open platform configuration has not been converted into uppercase letters.

4.iOS cannot correctly configure the bundleId value on the open platform.