diff --git a/backend/services/mining-admin-service/Dockerfile b/backend/services/mining-admin-service/Dockerfile
index 3398fb71..eec43d4f 100644
--- a/backend/services/mining-admin-service/Dockerfile
+++ b/backend/services/mining-admin-service/Dockerfile
@@ -13,6 +13,9 @@ COPY tsconfig*.json ./
 # 复制 Prisma schema
 COPY prisma ./prisma/
 
+# 安装编译原生模块所需工具（bcrypt 等需要 python3/make/g++）
+RUN apk add --no-cache python3 make g++
+
 # 安装所有依赖
 RUN npm ci