diff --git a/Dockerfile.embed b/Dockerfile.embed
index 5c5b579..a0783ad 100644
--- a/Dockerfile.embed
+++ b/Dockerfile.embed
@@ -95,15 +95,13 @@ ARG TARGETARCH
 ARG KUBECTL_VERSION=v1.32.2
 
 # 安装运行时依赖（核心最小集，重型工具改为懒加载）// Logan.Li
-# bash=kubectl交互终端, curl=健康检查, git=流水线代码拉取, docker-cli=镜像构建推送
-# kubectl 按 TARGETARCH 构建时下载（linux/amd64|arm64），无需本地 backend/kubectl // Logan.Li
-COPY scripts/setup-alpine-mirrors.sh scripts/install-kubectl.sh /tmp/
+# kubectl 从本地 backend/kubectl 复制（预打包进镜像，避免网络下载）// Logan.Li
+COPY scripts/setup-alpine-mirrors.sh /tmp/setup-alpine-mirrors.sh
 RUN chmod +x /tmp/setup-alpine-mirrors.sh && /tmp/setup-alpine-mirrors.sh && \
     apk --no-cache add ca-certificates tzdata bash curl git docker-cli docker-cli-buildx
-RUN chmod +x /tmp/install-kubectl.sh && \
-    TARGET_OS=linux TARGET_ARCH="${TARGETARCH}" KUBECTL_VERSION="${KUBECTL_VERSION}" \
-    /tmp/install-kubectl.sh /usr/local/bin/kubectl && \
-    rm -f /tmp/setup-alpine-mirrors.sh /tmp/install-kubectl.sh
+COPY backend/kubectl /usr/local/bin/kubectl
+RUN chmod +x /usr/local/bin/kubectl && \
+    rm -f /tmp/setup-alpine-mirrors.sh
 
 # Maven 阿里云镜像加速（maven 懒加载后生效）
 RUN mkdir -p /root/.m2 && \