diff --git a/.devstar/Dockerfile.ubuntu-latest b/.devstar/Dockerfile.ubuntu-latest
index 7ebde0c..df7e798 100644
--- a/.devstar/Dockerfile.ubuntu-latest
+++ b/.devstar/Dockerfile.ubuntu-latest
@@ -1,4 +1,4 @@
-FROM docker.io/library/ubuntu:latest
+FROM ubuntu:latest
 
 # 安装开发工具（合并RUN层，减少镜像大小）
 RUN apt-get update && apt-get install -y \
@@ -7,4 +7,4 @@ RUN apt-get update && apt-get install -y \
     bash sudo \
     curl wget \
     ca-certificates \
-    apt remove --purge curl -y && apt autoremove -y && apt-get clean && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
+    && apt remove --purge curl -y && apt autoremove -y && apt-get clean && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*