If the personalized signature cannot be saved normally after editing, it is recommended to confirm whether the network environment is normal first. It is recommended to re-operate in a good network environment, and it is not excluded that it may be caused by software anomalies. It is recommended to clear the WeChat data and cache or uninstall the reloading. If it still cannot be improved, it is recommended to back up the fuselage data and restore the factory setting operation.