Solve TortoiseGit prompt No supported authentication methods available error

1. Reasons for occurrence

The main reason for this is that the default network SSH client of TortoiseGit is TortoiseGitPlink.exe, so we need to modify the default network of TortoiseGit

2. Solution

Modify TortoiseGit's default network SSH client so that it is the same as GitBash's SSH, that is, use the same key as GitBash.
Enter TortoiseGit -> setting