Update README.md

Author: WeilunWang

README.md

@@ -10,7 +10,7 @@
 
  
 
-### [Paper]()
+### [Paper](https://arxiv.org/abs/2207.00050)
 
 [Weilun Wang](https://scholar.google.com/citations?hl=zh-CN&user=YfV4aCQAAAAJ), [Jianmin Bao](https://scholar.google.com/citations?hl=zh-CN&user=hjwvkYUAAAAJ), [Wengang Zhou](https://scholar.google.com/citations?hl=zh-CN&user=8s1JF8YAAAAJ), [Dongdong Chen](https://scholar.google.com/citations?hl=zh-CN&user=sYKpKqEAAAAJ), [Dong Chen](https://scholar.google.com/citations?hl=zh-CN&user=_fKSYOwAAAAJ), [Lu Yuan](https://scholar.google.com/citations?hl=zh-CN&user=k9TsUVsAAAAJ), [Houqiang Li](https://scholar.google.com/citations?hl=zh-CN&user=7sFMIKoAAAAJ),