diff --git a/Dockerfile b/Dockerfile
index c6e9b35..a1660f2 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -4,7 +4,7 @@ WORKDIR /app
 
 # 1. 依赖安装
 COPY package.json package-lock.json ./
-RUN npm ci --production=false
+RUN npm ci --production=false && npm ls bcryptjs 2>/dev/null || npm install bcryptjs
 
 # 2. 复制共享库（构建前由部署脚本创建 symlink: shared -> ../shared）
 COPY shared/ ./shared/