diff --git a/thesis/chapters/appendix-a-code.tex b/thesis/chapters/appendix-a-code.tex
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--- a/thesis/chapters/appendix-a-code.tex
+++ b/thesis/chapters/appendix-a-code.tex
@@ -1,6 +1,8 @@
 \chapter{项目代码结构}
 
-本研究核心代码已开源至 Gitea 仓库 \texttt{git@lhy-git.liuhangyv.top:Serendipity/elderly-heat-warning.git}。项目采用模块化结构，总规模约28个源文件（约3,500行Python代码 + 约800行前端HTML/CSS/JS代码）。
+本研究核心代码已开源至 Gitea 仓库：\par
+\url{https://lhy-git.liuhangyv.top/Serendipity/elderly-heat-warning}\par
+项目采用模块化结构，总规模约28个源文件（约3,500行Python代码 + 约800行前端HTML/CSS/JS代码）。
 
 \section{项目目录结构}
 
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