diff --git a/ruoyi-admin/src/main/resources/static/home/data/announceimg/21da.png b/ruoyi-admin/src/main/resources/static/home/data/announceimg/21da.png
new file mode 100644
index 0000000..fc430b8
Binary files /dev/null and b/ruoyi-admin/src/main/resources/static/home/data/announceimg/21da.png differ
diff --git a/ruoyi-admin/src/main/resources/templates/home/base.html b/ruoyi-admin/src/main/resources/templates/home/base.html
index ce56e46..07a425e 100644
--- a/ruoyi-admin/src/main/resources/templates/home/base.html
+++ b/ruoyi-admin/src/main/resources/templates/home/base.html
@@ -442,9 +442,9 @@
             </div>
         </div>
         <!-- 宣传图-->
-        <div class="layui-container" style="padding-top: 50px">
+        <div class="layui-container"   style="padding-top: 50px">
             <p>
-                <img th:src="@{/home/data/announceimg/20da.png}" style="width: 100%">
+                <img th:src="@{/home/data/announceimg/21da.png}" style="width: 100%">
             </p>
         </div>
         <!--工作动态、内设部门-->