diff --git a/ruoyi-admin/src/main/resources/static/home/base/lantie4.png b/ruoyi-admin/src/main/resources/static/home/base/lantie4.png
new file mode 100644
index 0000000..b5e8a19
Binary files /dev/null and b/ruoyi-admin/src/main/resources/static/home/base/lantie4.png differ
diff --git a/ruoyi-admin/src/main/resources/templates/home_head.html b/ruoyi-admin/src/main/resources/templates/home_head.html
index 785c199..aa74842 100644
--- a/ruoyi-admin/src/main/resources/templates/home_head.html
+++ b/ruoyi-admin/src/main/resources/templates/home_head.html
@@ -26,8 +26,8 @@
             #ltlogo {
                 position: absolute;
                 top: 43%; /* 将图像元素垂直居中 */
-                left: 30%; /* 将图像元素水平居中 */
-                height: 82px;
+                left: 43%; /* 将图像元素水平居中 */
+                height: 122px;
                 transform: translate(-50%, -50%);
             }
             #dhl {
@@ -55,7 +55,7 @@
                 </div>
             </div>
         </div>
-        <img th:src="@{/home/base/lantie3.png}"  id="ltlogo" >
+        <img th:src="@{/home/base/lantie4.png}"  id="ltlogo" >
 <!--        <div style="    position: absolute;-->
 <!--    font-size: 52px;-->
 <!--    font-weight: 900;-->
diff --git a/ruoyi-admin/src/main/resources/templates/home_head1.html b/ruoyi-admin/src/main/resources/templates/home_head1.html
index c66bdeb..a0cbacd 100644
--- a/ruoyi-admin/src/main/resources/templates/home_head1.html
+++ b/ruoyi-admin/src/main/resources/templates/home_head1.html
@@ -26,8 +26,8 @@
             #ltlogo {
                 position: absolute;
                 top: 43%; /* 将图像元素垂直居中 */
-                left: 30%; /* 将图像元素水平居中 */
-                height: 82px;
+                left: 43%; /* 将图像元素水平居中 */
+                height: 122px;
                 transform: translate(-50%, -50%);
             }
             #ltlogo2 {
@@ -143,7 +143,7 @@
             </div>
         </div>
         <!--        <img class="bg_image1" th:src="@{/home/base/bg-head3.png}">-->
-        <img th:src="@{/home/base/lantie3.png}"  id="ltlogo" >
+        <img th:src="@{/home/base/lantie4.png}"  id="ltlogo" >
 <!--        <div style="    position: absolute;-->
 <!--    font-size: 52px;-->
 <!--    font-weight: 900;-->