1. Stranger has not set personalized signature. Please make sure that the stranger has set a personalized signature.
2. Network problems. Please check whether the network connection is normal and try to reload the QQ page.
3.QQ version is too old. Please update your QQ version and try to reload the QQ page.
4. Cache problem of mobile phone or computer. Please clear the cache of your phone or computer and try to reload the QQ page.