diff --git a/build/Dockerfile_app b/build/Dockerfile_app
index 232085c..2104a41 100644
--- a/build/Dockerfile_app
+++ b/build/Dockerfile_app
@@ -1,4 +1,4 @@
-FROM registry.ngaiot.com/base-images/alpine_3.20_cst:7
+FROM registry.ngaiot.com/k8s/alpine-glibc:3.20
 RUN apk add --no-cache libc6-compat
 WORKDIR /app/
 COPY   *.exe  configFiles  /app/