Thank you for you reply, but when I run pip install torchvision==0.5.0, I got the following error:
Looking in indexes: http://mirrors.aliyun.com/pypi/simple/
ERROR: Could not find a version that satisfies the requirement torchvision==0.5.0 (from versions: 0.1.6, 0.1.7, 0.1.8, 0.1.9, 0.2.0, 0.2.1, 0.2.2, 0.2.2.post2, 0.2.2.post3, 0.3.0, 0.4.0, 0.4.1, 0.4.2)
ERROR: No matching distribution found for torchvision==0.5.0`

Should I build torchvision from source?