diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index b6347e9..5782155 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -13,46 +13,77 @@ jobs:
           - 'debian:12'
           - 'ubuntu:22.04'
           - 'alpine:latest'
-          - 'almalinux:9'        # 推荐：CentOS 9 的完美替代
-          - 'rockylinux:9'       # 推荐：CentOS 9 的完美替代
-          - 'centos:7'           # 官方 CentOS 7 (需修复源)
-          - 'quay.io/centos/centos:stream9' # 官方 CentOS Stream 9 (原生可用)
+          - 'almalinux:9'
+          - 'rockylinux:9'
+          - 'centos:7'
+          - 'quay.io/centos/centos:stream9'
 
     container:
       image: ${{ matrix.container }}
-      options: --privileged
+      options: --privileged  # 必须开启特权模式
 
     steps:
       - name: Checkout code
         uses: actions/checkout@v3
 
-      # === 关键：针对旧版 CentOS 的“起死回生”补丁 ===
-      - name: Fix CentOS EOL Repos
+      # 1. 修复 CentOS 7 EOL 源问题
+      - name: Fix CentOS 7 EOL Repos
         run: |
-          # 如果是 CentOS 8 (已死)，需要切到 vault 源
-          if grep -q "CentOS Linux 8" /etc/os-release 2>/dev/null; then
-            sed -i 's/mirrorlist/#mirrorlist/g' /etc/yum.repos.d/CentOS-*
-            sed -i 's|#baseurl=http://mirror.centos.org|baseurl=http://vault.centos.org|g' /etc/yum.repos.d/CentOS-*
-          fi
-          
-          # 如果是 CentOS 7 (已死)，同样需要切到 vault 源
           if grep -q "CentOS Linux 7" /etc/os-release 2>/dev/null; then
             sed -i 's/mirrorlist/#mirrorlist/g' /etc/yum.repos.d/CentOS-Base.repo
             sed -i 's|#baseurl=http://mirror.centos.org|baseurl=http://vault.centos.org|g' /etc/yum.repos.d/CentOS-Base.repo
           fi
 
-      - name: Pre-install basic requirements
+      # 2. 安装依赖并初始化运行环境 (这是修复核心)
+      - name: Initialize Environment (Fix Docker Quirks)
         run: |
-          if [ -f /etc/alpine-release ]; then
-            apk add --no-cache curl sudo openssh-server
-          elif [ -f /etc/debian_version ]; then
-            apt-get update && apt-get install -y curl sudo openssh-server
-          elif [ -f /etc/redhat-release ]; then
-            # CentOS/Alma/Rocky 都在这里
-            dnf install -y curl sudo openssh-server || yum install -y curl sudo openssh-server
+          echo "Initializing environment for $(cat /etc/os-release | grep PRETTY_NAME)"
+          
+          # --- Debian / Ubuntu ---
+          if [ -f /etc/debian_version ]; then
+            apt-get update
+            apt-get install -y curl sudo openssh-server
+            
+            # [关键修复] 生成 Host Keys，否则 sshd -t 会报错
+            ssh-keygen -A
+            # [关键修复] 创建运行目录
+            mkdir -p /run/sshd
           fi
 
+          # --- Alpine ---
+          if [ -f /etc/alpine-release ]; then
+            apk add --no-cache curl sudo openssh-server bash
+            # [关键修复] 生成 Host Keys
+            ssh-keygen -A
+          fi
+
+          # --- RHEL / CentOS / Alma / Rocky ---
+          if [ -f /etc/redhat-release ]; then
+            # [关键修复] AlmaLinux 9 解决 curl-minimal 冲突
+            if command -v dnf >/dev/null; then
+              dnf install -y --allowerasing curl sudo openssh-server
+            else
+              yum install -y curl sudo openssh-server
+            fi
+            
+            # [关键修复] 生成 Host Keys 和目录
+            ssh-keygen -A
+            mkdir -p /run/sshd
+          fi
+
+      # 3. 运行测试脚本
       - name: Run Init Script
         run: |
           chmod +x init.sh
+          # 使用 --strict 严格模式测试，遇到错误立即退出
           ./init.sh --user=root --port=2222 --key-raw="ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIPQQDejyTCPJO3Jyw5UX9jmojb/zjgcqVuRO28fmpWU5" --no-update --bbr --delay-restart --yes --strict
+
+      # 4. 验证结果 (可选)
+      - name: Verify Configuration
+        run: |
+          if grep -q "BEGIN SERVER-INIT MANAGED BLOCK" /etc/ssh/sshd_config; then
+            echo "✅ SUCCESS: Config block injected."
+          else
+            echo "❌ FAIL: Config block missing."
+            exit 1
+          fi