diff --git a/.github/workflows/building-deb.yml b/.github/workflows/building-deb.yml
index 0f7b906..98f7864 100755
--- a/.github/workflows/building-deb.yml
+++ b/.github/workflows/building-deb.yml
@@ -208,7 +208,7 @@ jobs:
 
       - name: Configure Base System
         run: |
-          bash .github/workflows/configure-building-enviroment-base-system.sh loong64 unstable $REPOSITORY https://github.com/$GITHUB_REPOSITORY https://mirror.sjtu.edu.cn/debian-ports/
+          bash .github/workflows/configure-building-enviroment-base-system.sh loong64 unstable $REPOSITORY https://github.com/$GITHUB_REPOSITORY https://deb.debian.org/debian-ports/
 
       - name: Building ${{ GITHUB.repository }}
         run: |
diff --git a/.github/workflows/configure-building-enviroment.sh b/.github/workflows/configure-building-enviroment.sh
index 11c0b7b..d344e09 100755
--- a/.github/workflows/configure-building-enviroment.sh
+++ b/.github/workflows/configure-building-enviroment.sh
@@ -18,7 +18,7 @@ export DEBIAN_FRONTEND=noninteractive  # 防止卡 tzdate
 echo "deb [trusted=true] https://repo1.gxde.top/gxde-os/tianlu ./" >> /etc/apt/sources.list.d/gxde-os.list
 echo "deb [trusted=true] https://repo1.gxde.top/gxde-os/bixie ./" >> /etc/apt/sources.list.d/gxde-os.list
 if [[ $(dpkg --print-architecture) == "loong64" ]]; then
-    echo "deb [trusted=true] http://mirror.sjtu.edu.cn/debian-ports unreleased main" > /etc/apt/sources.list.d/debian-unreleased.list
+    echo "deb [trusted=true] http://deb.debian.org/debian-ports unreleased main" > /etc/apt/sources.list.d/debian-unreleased.list
 fi
 for i in {1..8};
 do