The system is stuck and cannot be used normally

I am using Windchill PDMLink Release 12.0 and Datecode with CPS 12.0.0.1 
 

1. The system has F5 cluster configuration;
2. After running for a period of time, after entering the account password, the system cannot enter the page and keeps loading

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Translated the topic from Simplified Chinese to English using Google Translate
Subject - 系统卡顿无法正常使用

Body: 1.系统做了F5集群配置； 
2.运行一段时间后，输入账号密码后，系统无法进入页面，一直加载中； 
- By Community Moderation Team

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