diff --git a/Dockerfile b/Dockerfile
index 48c8e7b..d4f44aa 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM repository.241210.com/repository/base/alpine:3.9
+FROM alpine:3.9
 
 ENV LANG C.UTF-8
 ENV LANGUAGE C.UTF-8
diff --git a/README.md b/README.md
index c367688..98a6431 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
 # mytest
 
-hello world 1
+hello world 12