1. This map is provided by the government. This can ensure that the map boundary and coordinate system are correct.

2. Use the standard map in EPS format as the base map. You can edit all the elements in the EPS standard drawing, delete unnecessary text layers, change the color and style of color block filling, and ensure clear drawing.

3. Adjust the map to the projection coordinate system, export it to EPS format, and superimpose it on the standard map without changing the administrative boundaries.