错误信息如下:
"The page could not be found!Error loading: qthelp://org.qt-project.qtcreator.300/doc/index.htmlCheck that you have one or more documentation sets installed.""The page could not be found!Error lo
阅读背景：
ubuntu14.04 qtcreator 无法显示帮助的解决方案
来源：互联网
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