The first step is to open the master of crime. Click the arrow, as shown in the figure below:

Step 2, and then click Personal Center, as shown in the following figure:

Step 3: Click Settings at this time, as shown below:

Step 4: Then click the nickname signature indicated by the red arrow, as shown in the following figure:

The fifth step is to modify the name and then click Modify Information, as shown in the figure below: