Why can't the original god edit the signature?

The original god can edit the signature as follows:

1. Open the avatar and enter the original God game interface. Click on the avatar in the upper left corner to enter a new page.

2. Open the modify signature, click the edit icon above after opening the personal information interface, and click modify signature in the pop-up window.

3. modify it. After entering the signature interface, enter the personalized signature to be modified in the dialog box, and then click OK.

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