封面左下角魅力数值，越高 = 作品越好看
24p
4.6 
25p
4.4 
26p
4.0 
23p
3.8 
30p
3.2 
22p
22p
28p
41p
22p
39p
22p
23p
30p
25p
22p
36p
22p
26p
25p
22p
30p
22p
34p
22p
22p
26p
26p
28p
26p
艺图语