As shown, how can you change the background consistent, become colorless transparent or white background can be
![](https://img.codepudding.com/202009/88961201537431.png)
How to modify, thank you!
CodePudding user response:
![](https://img.codepudding.com/202009/88961201537432.png)
Supplementary questions, how to change all the lane to the red arrow that transparent Beijing, or white, thank you!!!!!!