What subway should I take from Huiyang Square in Xuhui District, Shanghai to Shanghai South Railway Station?

The subway lines from Huiyang Square to Shanghai South Railway Station are as follows:

The first line:

Subway line: Metro Line 3, the whole journey is about 4.5 kilometers.

1. Walk about 730 meters from Huiyang Square and arrive at Caoxi Road Station.

2. Take Metro Line 3, pass three stops and arrive at Shanghai South Railway Station.

The second line:

Metro Line: Metro 1 Line, with a total length of about 2.7 kilometers.

1. Walk from Huiyang Square about 1. 1 km to Caobao Road Station.

2. Take the subway 1 line, pass 1 station and arrive at Shanghai South Railway Station.