The warning code indicates that the signature is wrong. You can re-sign or modify the signature.

If the signature is abnormal, re-sign. Maybe you have illegal characters, so the system will display an exception. The specific modification steps are as follows:

1. Go to the WeChat page and click the magnifying glass.

2. Enter the Qingcheng Alarm in the search portal, and then click the Qingcheng Alarm below.

3. Finally, after filling in personal information and uploading photos, click OK to submit and complete the modification of Qingcheng alarm.