从 https://download.qt.io/development_releases/vsaddin/2.4.2/ 如果您想了解更多信息，这里是错误报告和评论中的解决方案 https://bugreports.qt.io/browse/QTVSADDINBUG-722

Install rev.09 version of extension from https://download.qt.io/development_releases/vsaddin/2.4.2/ Here is bug report and solution in comments if you want more info https://bugreports.qt.io/browse/QTVSADDINBUG-722