Account is abnormal, WeChat version is too old, network problems, friends are blacked out.

1, the account is blocked, and the number is stolen, which will cause the personalized signature not to be displayed normally.

2. Compatibility problems caused by the low version of WeChat will also lead to abnormal display of personalized signatures.

3. Network delay causes it not to display normally. You can try to turn off the internet and check it again.

4, friends pull black, but also can not see each other's personality signature.