苹果手表微信
苹果手表S1126.1系统微信闪退
Apple Watch Series 11, watchOS 26
Did you already delete and reinstall WeChat?
Or contact the developer of the app about that?
Since WeChat is especially used in China and the Apple Watch 11 is quite new, did you try to post your question in the Chinese Apple Support Community? Maybe other users had similar issues.