fix: correct contributors link in README

Author: HitMargin

README.md

@@ -126,8 +126,8 @@ TUI (REPL) 模式需要真实终端，无法直接通过 VS Code launch 启动
 
 ## Contributors
 
-<a href="https://github.com/${{ github.repository }}/graphs/contributors">
-  <img src="contributors.svg" />
+<a href="https://github.com/claude-code-best/claude-code/graphs/contributors">
+  <img src="contributors.svg" alt="Contributors" />
 </a>
 
 ## Star History