diff --git a/infra/docker/api-base.Dockerfile b/infra/docker/api-base.Dockerfile
index 89216dc6c..9108a2df9 100644
--- a/infra/docker/api-base.Dockerfile
+++ b/infra/docker/api-base.Dockerfile
@@ -5,7 +5,7 @@
 # 目标：将 API Image 构建时间从 15-20 分钟降至 3-5 分钟
 # ============================================================
 
-FROM python:3.12-slim
+FROM git.xiaoxiajianji.com/xiaoxia/base/python:3.12-slim
 
 # 使用阿里云镜像加速
 RUN sed -i 's|deb.debian.org|mirrors.aliyun.com|g' /etc/apt/sources.list.d/debian.sources 2>/dev/null || \