diff --git a/backend/Dockerfile b/backend/Dockerfile
index 5095b44..7698f2e 100644
--- a/backend/Dockerfile
+++ b/backend/Dockerfile
@@ -3,7 +3,7 @@ FROM node:20-alpine AS dependencies
 WORKDIR /app
 
 # 原生依赖使用镜像内置 Node headers，避免构建时依赖外部 headers 下载站点。
-RUN apk add --no-cache python3 make g++
+RUN apk add --no-cache python3 make g++ wget
 ENV npm_config_nodedir=/usr/local
 
 COPY package*.json ./