diff --git a/.jenkins/Dockerfile b/.jenkins/Dockerfile
index 0d95574..19cceeb 100644
--- a/.jenkins/Dockerfile
+++ b/.jenkins/Dockerfile
@@ -57,16 +57,16 @@ ENV PYTHONUNBUFFERED=1 \
 #   mysql-devel            编译 mysqlclient 等 MySQL 驱动
 # 末尾清理 yum 缓存，避免缓存进入镜像层
 # ------------------------------------------------------------
-#RUN yum install -y yum-utils net-tools && \
-#    yum install -y gcc gcc-c++ make cmake \
-#        openssl-devel bzip2-devel libffi-devel \
-#        mariadb-devel pkgconf-pkg-config && \
-#    yum clean all && rm -rf /var/cache/yum
-RUN --mount=type=cache,target=/var/cache/dnf,sharing=locked,id=dnf-cache \
-    dnf install -y yum-utils net-tools && \
-    dnf install -y gcc gcc-c++ make cmake \
+RUN yum install -y yum-utils net-tools && \
+    yum install -y gcc gcc-c++ make cmake \
         openssl-devel bzip2-devel libffi-devel \
-        mariadb-devel pkgconf-pkg-config
+        mariadb-devel pkgconf-pkg-config && \
+    yum clean all && rm -rf /var/cache/yum
+#RUN --mount=type=cache,target=/var/cache/dnf,sharing=locked,id=dnf-cache \
+#    dnf install -y yum-utils net-tools && \
+#    dnf install -y gcc gcc-c++ make cmake \
+#        openssl-devel bzip2-devel libffi-devel \
+#        mariadb-devel pkgconf-pkg-config
 
 # ------------------------------------------------------------
 # 配置 pip 国内镜像并升级 pip / setuptools / wheel