使用Debug版本时没有任何问题，而Release却出现了这个问题。
主要原因是安装了anaconda，导致调用了错误的Qt插件工具集。我们需要保证Qt版本与VsAddIn版本正确。但是我不清楚怎么修改最有效。
临时的方法参考 解决方法1
就是在环境变量中将Qt的环境变量给提前。
此时可能还不行。
一定要将VS当前工程关闭，然后重新打开！
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