diff --git a/Dockerfile b/Dockerfile
index 0c6a6f2..e31467c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -21,7 +21,7 @@ ARG REGISTRY_URL="docker.io/"
 ARG APT_SOURCE=aliyun
 
 # 1. 生成镜像 =====================================================================
-FROM --platform=${TARGETPLATFORM:-linux/amd64} ${REGISTRY_URL}debian:${APP_VER}
+FROM ${REGISTRY_URL}debian:${APP_VER}
 
 # 声明需要使用的全局可变参数（ARG声明的变量仅编译打包阶段有效）
 ARG APP_NAME
@@ -68,10 +68,8 @@ COPY .ci/common/debian /
 #  python3-minimal python3.7 python3.7-minimal readline-common sudo wget
 #  xz-utils
 RUN set -eux; \
-	# 选择软件包源，以加速后续软件包安装
 	select_source ${APT_SOURCE}; \
 	\
-	# 安装编译环境及常用开发库
 	install_pkg sudo wget curl git ca-certificates iproute2 net-tools nano dpkg gnupg \
 	dirmngr apt-utils apt-transport-https lsb-release iputils-ping \
 	build-essential cmake libcmocka-dev pkg-config \