If the budget is sufficient, what kind of line will you choose to travel to China?

It is planned to travel around China at one time, starting from Shanghai, it lasted for 6 months. The following is a detailed route planning, timetable and budget list.
Route planning and timetable:
1st month: Shanghai departure -Changsha -Guiyang -Kunming
-D1-D3: Shanghai to Changsha, via G42 Shanghai-Rong high-speed speed, visit Yuelu Mountain and Orange Chau head.
-D4-D6: Changsha to Guiyang, via G60 Shanghai-Kunming high-speed, visit Huangguoshu Waterfall.
-D7-D9: Guiyang to Kunming, via G56 Hangrui Expressway, visit Shilin, Dianchi, and Xishan.

2nd month: Tour Yunnan (2 weeks)

-D10-D12: Kunming to Dali, via G56 Hangrui Expressway, visit Erhai Lake and Dali Ancient City (2 days).
-D13-D16: Dali to Lijiang, via G5611 Dali Expressway, visit the ancient city of Lijiang and Yulong Snow Mountain (3 days).
-D17-D18: Lijiang to Shangri-La, via G214, visit Miri Snow Mountain and Songzanlin Temple (2 days).
-D19-D20: Shangri-La to Lugu Lake, visiting the Rig Peninsula and Mosuo Culture (2 days).