1, First of all, we need to know how to open cmd. Start-Run-enter cmd to open, or win+R shortcut to open enter cmd.
2. Enter the path of the installed JDK bin file and press Enter.
3. Enter the absolute path of the keytool -list -v -keystore signature file (note that xxx represents the path of your signature file, such as: F:\B\yourkey), press Enter, and you will be prompted to enter the keystore password (note: You cannot see the output during the password input process, this does not mean that there is no response to your input, in fact, it has already been input), press Enter, and you can see the detailed signature information.
输入keytool -list -v -keystore debug.keystore 后按回车键--》【输入密钥库口令】--》继续按回车，则出现你想要的结果.