diff --git a/pay-mall-app/Dockerfile b/pay-mall-app/Dockerfile
index 0e859ea..0c70759 100644
--- a/pay-mall-app/Dockerfile
+++ b/pay-mall-app/Dockerfile
@@ -1,5 +1,5 @@
 # —— 第一阶段：Maven 构建 ——
-FROM maven:3.8.7-openjdk-8-slim AS builder
+FROM maven:3.8.6-openjdk-8-slim AS builder
 WORKDIR /workspace
 
 # 复制项目级 settings.xml