2. Then, Enter the command "pe" and press Enter to confirm.
3. Next, enter the shortcut command "m", or click the drop-down menu to select "multi-line segment".
4. Select two straight lines respectively, and then press Enter.
5. When prompted, the default value is "Y", just press Enter.
6. Next, select Merge.
7. Enter the fuzzy interval, the default is 0, and press enter.
8. Finally, after finishing the above operations, press the "esc" key to quit editing, and you will find that the two lines are crossed.