diff --git a/.gitea/workflows/build.yml b/.gitea/workflows/build.yml
index 0f477f5..6967387 100644
--- a/.gitea/workflows/build.yml
+++ b/.gitea/workflows/build.yml
@@ -36,8 +36,13 @@ jobs:
 
       - name: Install build tools
         run: |
-          sudo sed -i 's|http://archive.ubuntu.com|https://mirrors.tuna.tsinghua.edu.cn|g' /etc/apt/sources.list
-          sudo sed -i 's|http://security.ubuntu.com|https://mirrors.tuna.tsinghua.edu.cn|g' /etc/apt/sources.list
+          if [ -f /etc/apt/sources.list.d/ubuntu.sources ]; then
+            sudo sed -i 's|http://archive.ubuntu.com/ubuntu|https://mirrors.tuna.tsinghua.edu.cn/ubuntu|g' /etc/apt/sources.list.d/ubuntu.sources
+            sudo sed -i 's|http://security.ubuntu.com/ubuntu|https://mirrors.tuna.tsinghua.edu.cn/ubuntu|g' /etc/apt/sources.list.d/ubuntu.sources
+          else
+            sudo sed -i 's|http://archive.ubuntu.com|https://mirrors.tuna.tsinghua.edu.cn|g' /etc/apt/sources.list
+            sudo sed -i 's|http://security.ubuntu.com|https://mirrors.tuna.tsinghua.edu.cn|g' /etc/apt/sources.list
+          fi
           sudo apt-get update && sudo apt-get install -y gcc
 
       - name: Download dependencies