Update README.md

Author: cloud-oc

README.md

@@ -14,9 +14,6 @@
 <img src="https://github.com/Cloud-OG/Cloud-OG/blob/main/P.A.I.M.O.N.gif?raw=true" height="90" />
 
 [![](https://img.shields.io/badge/Cloud%3BBlog-white?style=for-the-badge)](https://www.cloud09.xyz/)
-<picture>
-  <source media="(prefers-color-scheme: dark)" srcset="https://raw.githubusercontent.com/Cloud-OG/Cloud-OG/output/github-contribution-grid-snake-dark.svg" />
-  <source media="(prefers-color-scheme: light)" srcset="https://raw.githubusercontent.com/Cloud-OG/Cloud-OG/output/github-contribution-grid-snake.svg" />
-  <img width="100%" alt="github-snake" src="https://raw.githubusercontent.com/Cloud-OG/Cloud-OG/output/github-contribution-grid-snake.svg" />
-</picture>
+![暗色](https://raw.githubusercontent.com/Cloud-OG/githubSNK/df18a4a2fb544d5fc0e692f98c3436e9dccaa547/github-contribution-grid-snake.svg#gh-dark-mode-only)
+![亮色](https://raw.githubusercontent.com/Cloud-OG/githubSNK/df18a4a2fb544d5fc0e692f98c3436e9dccaa547/github-contribution-grid-snake.svg#gh-light-mode-only)
 </div>