【Problem Description】
Users cannot perform any operation after logging in to U2020. For example, users cannot forcibly exit U2020, connect to the service, or install plug-ins
【Rootcause】
The time of each node is inconsistent.

【Solution】
Log in to each node to check the time. After the system time of each node is changed to the same, U2020 is restored.
Log in to each node to check the time.


Modify inconsistent node system time:
