I do it again...
To make sure I follow your guidance correctly, now I connect my pc to router and redo the tracert, the system responses as follows:
1 ... ... 192.168.0.1
2 ... ... 10.25.32.1
3
.
.
.
8 ... ... att-gw.sjc.chinatelecomusa.com
9
.
.
.
30 ... ... Request timed out