Changing Zhang Yuanying’s avatar generally refers to the act of changing personal avatars on social media or chat applications. Profiles are a way for users to present their image and identity online. Changing Zhang Yuanying's avatar may mean the following meanings:

1. Admiration or liking: Changing Zhang Yuanying's avatar may express admiration or liking for Zhang Yuanying, and use it as part of your personal image to show your support.

2. Expressing recognition: Changing Zhang Yuanying’s avatar may represent recognition of Zhang Yuanying’s relevant remarks, views or actions, thereby expressing one’s support for him.

3. Social interaction: Changing Yuanying’s avatar may also be a way to participate in certain social activities or Internet memes, a way to interact with other people or express the same preferences.

It is worth noting that changing the personal avatar to the image of any character, whether it is a real person or a fictional character, does not necessarily mean that there is a direct connection with it. Therefore, specific meanings may need to be understood based on specific context and personal intentions.