VSIX只是一个zip归档文件.解压缩它，找到文件extension.vsixmanifest.这是一个XML文件，将其打开.找到SupportedProducts部分.它应该如下所示:

VSIX is just a zip-archive. Unpack it, locate the file extension.vsixmanifest. This is an XML file, open it. Locate the section SupportedProducts. It should look like the following:

    <SupportedProducts>
        <VisualStudio Version="10.0">
            <Edition>Ultimate</Edition>
            <Edition>Premium</Edition>
            <Edition>Pro</Edition>
        </VisualStudio>
    </SupportedProducts>

复制并粘贴VisualStudio部分，并将粘贴的片段上的Version属性更新为11.0.

Copy-paste the VisualStudio section and update the Version attribute on the pasted fragment to 11.0.

将内容打包回zip归档文件中.确保存档具有VSIX扩展名.完成了.

Pack the contents back into a zip-archive. Make sure the archive have the VSIX extension. You're done.