https://developers.weixin.qq.com/doc/offiaccount/WeChat_Invoice/E_Invoice/Vendor_and_Invoicing_Platform_Mode_Instruction.htmlhttps://developers.weixin.qq.com/doc/offiaccount/WeChat_Invoice/E_Invoice/Choosing_Access_Mode.html [图片] 这个太模糊了，发邮件的话邮箱地址是什么？