diff --git a/.gitea/workflows/go-ci.yaml b/.gitea/workflows/go-ci.yaml
index 4631a45..fee4786 100644
--- a/.gitea/workflows/go-ci.yaml
+++ b/.gitea/workflows/go-ci.yaml
@@ -8,30 +8,34 @@ jobs:
       - name: 配置国内源并安装工具链
         run: |
           set -e
-    
-          # ========== 1. 换 apt 国内源（清华，Ubuntu 22.04 jammy） ==========
-          cp /etc/apt/sources.list /etc/apt/sources.list.bak
+
+          # ========== 1. 清空所有 apt 源，只留腾讯云 ==========
+          # 备份
+          mkdir -p /etc/apt/backup
+          cp -r /etc/apt/sources.list* /etc/apt/backup/ 2>/dev/null || true
+
+          # 删除 sources.list.d 下所有额外源（微软 / git PPA / git-lfs 等）
+          rm -f /etc/apt/sources.list.d/*
+
+          # 清空主 sources.list，写入腾讯云 noble（24.04）源
           cat > /etc/apt/sources.list <<'EOF'
-          deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ jammy main restricted universe multiverse
-          deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ jammy-updates main restricted universe multiverse
-          deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ jammy-security main restricted universe multiverse
+          deb https://mirrors.cloud.tencent.com/ubuntu/ noble main restricted universe multiverse
+          deb https://mirrors.cloud.tencent.com/ubuntu/ noble-updates main restricted universe multiverse
+          deb https://mirrors.cloud.tencent.com/ubuntu/ noble-security main restricted universe multiverse
+          deb https://mirrors.cloud.tencent.com/ubuntu/ noble-backports main restricted universe multiverse
           EOF
-    
+
           apt-get update
           apt-get install -y golang-go git nodejs npm
-    
+
           # ========== 2. 配置 Go 国内源 ==========
-          # 七牛 goproxy.cn（国内最快之一）
           go env -w GOPROXY=https://goproxy.cn,direct
-          # 同时关掉校验 sumdb 的境外访问（可选）
-          go env -w GOSUMDB=sum.golang.org
-          go env -w GONOSUMCHECK=1
-          # 如果私有仓库，可加（按需）
-          # go env -w GOPRIVATE=git.yourdomain.com
-    
+          go env -w GOSUMDB=off
+          # go env -w GOPRIVATE=git.yourdomain.com  # 私有仓库按需开
+
           # ========== 3. 配置 npm 国内源 ==========
           npm config set registry https://registry.npmmirror.com
-    
+
           echo "==> 源配置完成"
           go version
           node -v