今天打开mySupport
https://www.automation.siemens.com/registration/login.aspx?lang=zh®ionKey=CN&rf=CS_STANDARD&app=CS&ret=https%3A%2F%2Fsupport.automation.siemens.com%2FCN%2Fllisapi.dll%3Ffunc%3Dcslib.csinfo%26aktprim%3D5%26siteid%3Dcseus%26lang%3Dzh%26siteid%3Dcseus%26groupid%3D18886882%26groupid%3D18886882%26extranet%3Dstandard%26viewreg%3DCN%26nodeid5%3D38718940
输入登陆技术论坛的帐号和密码，提示无效的登录/密码. 请检查然后再试！请问登陆mySupport和技术论坛是一个帐号吗？还是另需注册？