diff --git a/.github/workflows/gitea.yml b/.github/workflows/gitea.yml
index 488cef8..dd57533 100644
--- a/.github/workflows/gitea.yml
+++ b/.github/workflows/gitea.yml
@@ -23,6 +23,20 @@ jobs:
         target: |
           x86_64-unknown-linux-gnu
           x86_64-pc-windows-gnu
+
+    - name: 换源
+      run: |
+        tee /etc/apt/sources.list << EOF
+        deb https://mirrors.aliyun.com/debian/ bullseye main non-free contrib
+        deb-src https://mirrors.aliyun.com/debian/ bullseye main non-free contrib
+        deb https://mirrors.aliyun.com/debian-security/ bullseye-security main
+        deb-src https://mirrors.aliyun.com/debian-security/ bullseye-security main
+        deb https://mirrors.aliyun.com/debian/ bullseye-updates main non-free contrib
+        deb-src https://mirrors.aliyun.com/debian/ bullseye-updates main non-free contrib
+        #deb https://mirrors.aliyun.com/debian/ bullseye-backports main non-free contrib
+        #deb-src https://mirrors.aliyun.com/debian/ bullseye-backports main non-free contrib
+        EOF
+
     - name: 安装 Windows 交叉编译所需的 MinGW-w64 工具链 (GCC for Windows)
       run: |
         apt-get update