【Youker Assistant-i386】It responds slowly when looking up the system info and crashes when cleaning up system cache, cookies and history trace.

[Machine]
Dell Vostro 3900
  [Version]
18.04 beta2 20180404 + PPA

sudo add-apt-repository ppa:ubuntukylin-members/1804test
sudo apt-get update
sudo apt-get upgrade
sudo apt-get install indicator-china-weather......

  [Details]
【Youker Assistant-i386】It responds slowly when looking up the system info and crashes when cleaning up system cache, cookies and history trace.
【优客助手】图形与命令行启动都很慢，启动后桌面环境、处理器、内存、主板、硬盘、网卡、显卡内容加载很慢，系统缓存、cookies、历史痕迹三个功能会导致麒麟助手卡死。（i386）
  [Test Case]
1. Open Start menu-All App-Youker Assistant and look up the system info
2. Clean up system cache, cookies and history trace.
Expected Result:It responds quickly and won't crash.
Actual Result: It responds slowly when looking up the system info and crashes when cleaning up system cache, cookies and history trace.