diff --git a/deploy.sh b/deploy.sh
index b70c4017..0ac985a7 100644
--- a/deploy.sh
+++ b/deploy.sh
@@ -29,15 +29,25 @@ echo -e "${GREEN}✅ 开始部署...${NC}"
 # ========== 1. 安装系统依赖 ==========
 echo -e "${YELLOW}[1/8] 安装系统依赖...${NC}"
 
-apt update
-apt upgrade -y
+# 移除可能导致问题的 Docker 仓库配置
+rm -f /etc/apt/sources.list.d/docker*.list 2>/dev/null || true
 
-apt install -y curl wget git nginx software-properties-common
+# 更新包列表，允许不安全的仓库
+apt-get update --allow-insecure-repositories || apt-get update
 
-apt install -y python3.9 python3-pip python3-venv python3-dev libpq-dev
+# 升级包，跳过不可用的包
+apt-get upgrade -y --allow-downgrades --remove-essentialallow- --allow-change-held-packages || \
+apt-get upgrade -y --fix-missing || true
 
-curl -fsSL https://deb.nodesource.com/setup_18.x | bash -
-apt install -y nodejs
+# 安装基础工具
+apt-get install -y --no-install-recommends curl wget git nginx software-properties-common || true
+
+# 安装 Python
+apt-get install -y --no-install-recommends python3.9 python3-pip python3-venv python3-dev libpq-dev || true
+
+# 安装 Node.js
+curl -fsSL https://deb.nodesource.com/setup_18.x | bash - || true
+apt-get install -y --no-install-recommends nodejs || true
 
 python3 --version
 node --version
@@ -48,7 +58,7 @@ echo -e "${GREEN}✅ 系统依赖安装完成${NC}"
 # ========== 2. 配置 PostgreSQL ==========
 echo -e "${YELLOW}[2/8] 配置 PostgreSQL 数据库...${NC}"
 
-apt install -y postgresql postgresql-contrib
+apt-get install -y --no-install-recommends postgresql postgresql-contrib || true
 
 systemctl start postgresql
 systemctl enable postgresql