diff --git a/.gitea/workflows/ci.yaml b/.gitea/workflows/ci.yaml
index 3294ca2..d227a2d 100644
--- a/.gitea/workflows/ci.yaml
+++ b/.gitea/workflows/ci.yaml
@@ -15,17 +15,17 @@ jobs:
       image: dockerp.com/openjdk:17-jdk-slim    # 使用带有 JDK 17 的 Docker 镜像
 
     steps:
-      - name: Check Version
+      - name: Check Version Docker
         run: |
           cat /proc/version 
 
-      - name: Change Download URL
+      - name: Change Download URL to NJU Mirror
         run: |
           # 替换为 NJU 的 APT 源
-          echo "deb https://mirror.nju.edu.cn/ubuntu/ noble main restricted universe multiverse" > /etc/apt/sources.list.d/ubuntu.sources
-          echo "deb https://mirror.nju.edu.cn/ubuntu/ noble-updates main restricted universe multiverse" >> /etc/apt/sources.list.d/ubuntu.sources
-          echo "deb https://mirror.nju.edu.cn/ubuntu/ noble-backports main restricted universe multiverse" >> /etc/apt/sources.list.d/ubuntu.sources
-          echo "deb https://mirror.nju.edu.cn/ubuntu/ noble-security main restricted universe multiverse" >> /etc/apt/sources.list.d/ubuntu.sources
+          echo "deb https://mirror.nju.edu.cn/ubuntu/ focal main restricted universe multiverse" > /etc/apt/sources.list
+          echo "deb https://mirror.nju.edu.cn/ubuntu/ focal-updates main restricted universe multiverse" >> /etc/apt/sources.list
+          echo "deb https://mirror.nju.edu.cn/ubuntu/ focal-backports main restricted universe multiverse" >> /etc/apt/sources.list
+          echo "deb https://mirror.nju.edu.cn/ubuntu/ focal-security main restricted universe multiverse" >> /etc/apt/sources.list
 
       - name: Apt Update
         run: |