输入框上方有视频，先看视频再做图（测试账号：test，密码：bio123456）
principal components analysis
Hunan map
shanghai map
sichuan map
kernel density
jiangsu map
anhui map
world heatmap
zhejiang map
guangdong map
jilin map
shaanxi map
shanxi map
fujian map
hebei map
hubei map
guizhou map
henan map
