solution:
1, open the eclipse in windows -> Preferences ---> Team ---> Git -> Configuration ---> User Settings.
Click Add Entry ... to create a new key-value pair, key to http: sslVerify, Value is false;
2, find the file in the installation path eclipse.ini of myeclipse. Followed by the line
-Dhttps.protocols=TLSv1.1,TLSv1.2