diff --git a/setup.sh b/setup.sh
index 2220339..6308efc 100644
--- a/setup.sh
+++ b/setup.sh
@@ -13,18 +13,40 @@ echo "安装基础依赖..."
 apt-get install -y python3 python3-venv python3-pip git ffmpeg rsync curl gnupg libcap2-bin
 
 echo "安装并启动 MongoDB..."
+MONGO_READY=false
 if ! command -v mongod >/dev/null 2>&1; then
   if [ -n "$CODENAME" ]; then
     curl -fsSL https://pgp.mongodb.com/server-7.0.asc | gpg --dearmor -o /usr/share/keyrings/mongodb-server-7.0.gpg || true
     echo "deb [ signed-by=/usr/share/keyrings/mongodb-server-7.0.gpg ] https://repo.mongodb.org/apt/ubuntu ${CODENAME}/mongodb-org/7.0 multiverse" > /etc/apt/sources.list.d/mongodb-org-7.0.list || true
-    apt-get update -y || true
-    apt-get install -y mongodb-org || apt-get install -y mongodb
-  else
-    apt-get install -y mongodb
+    if apt-get update -y; then
+      if apt-get install -y mongodb-org; then
+        MONGO_READY=true
+      fi
+    fi
   fi
+  if [ "$MONGO_READY" = false ]; then
+    echo "APT 仓库不可用，改用 Docker 部署 MongoDB..."
+    apt-get install -y docker.io
+    systemctl enable --now docker || true
+    mkdir -p /var/lib/mongo
+    if ! docker ps -a --format '{{.Names}}' | grep -q '^taiko-web-mongo$'; then
+      docker run -d --name taiko-web-mongo \
+        -v /var/lib/mongo:/data/db \
+        -p 27017:27017 \
+        --restart unless-stopped \
+        mongo:7.0
+    else
+      docker start taiko-web-mongo || true
+    fi
+    MONGO_READY=true
+  fi
+else
+  MONGO_READY=true
+fi
+if [ "$MONGO_READY" = true ]; then
+  systemctl enable mongod || true
+  systemctl restart mongod || systemctl start mongod || true
 fi
-systemctl enable mongod || true
-systemctl restart mongod || systemctl start mongod || true
 
 echo "安装并启动 Redis..."
 apt-get install -y redis-server