Reasons such as delayed updating of WeChat personalized signature, network fluctuation, new signature containing invalid characters, etc. The reasons for the delay in updating WeChat personalized signature are:

1, unsaved. The changed personalized signature of WeChat is unsaved, and there will be a delay.

2. Network fluctuation and poor network signal delay the personalized signature of WeChat.

3. The new signature contains invalid characters, and there will be delay if there is no system audit. WeChat personalized signature is freely editable content of WeChat app.