diff --git a/backend/services/auth-service/Dockerfile b/backend/services/auth-service/Dockerfile
index 1d8e2e76..b30c3044 100644
--- a/backend/services/auth-service/Dockerfile
+++ b/backend/services/auth-service/Dockerfile
@@ -6,6 +6,9 @@
 FROM node:20-alpine AS builder
 WORKDIR /app
 
+# 安装 bcrypt 编译所需的依赖
+RUN apk add --no-cache python3 make g++
+
 COPY package*.json ./
 COPY tsconfig*.json ./
 COPY prisma ./prisma/