diff --git a/Dockerfile b/Dockerfile
index 62f0e66..d2c28e1 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -67,7 +67,7 @@ RUN set -eux; \
 	mv "/tmp/jdk-${APP_VER}+${APP_VER_SUB}" /usr/local/${APP_NAME};
 
 # 1. 生成镜像 =====================================================================
-FROM --platform=${TARGETPLATFORM:-linux/amd64} ${REGISTRY_URL}colovu/debian:11
+FROM --platform=${TARGETPLATFORM:-linux/amd64} ${REGISTRY_URL}colovu/debian:12
 
 # 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