1. Use the mouse to select all references to be numbered, and then click the right mouse button.

2. Find the numbering option in the drop-down menu that appears, and then click Enter.

3. In the numbering options, find the corresponding paper numbering format, and select the corresponding format in the numbering library.

4. Click on the reference numbering table [1], and it will be numbered automatically as follows, but the following spaces will appear.

5. After selecting the reference, click the right mouse button to pop up the following shortcut options.

6. Click the adjustment list indent and turn the label into a space in the pop-up label.

7. After clicking OK, the space in front will disappear.