diff --git a/ruoyi-admin/src/main/resources/static/img/mid.png b/ruoyi-admin/src/main/resources/static/img/mid.png
new file mode 100644
index 0000000..c6c7904
Binary files /dev/null and b/ruoyi-admin/src/main/resources/static/img/mid.png differ
diff --git a/ruoyi-admin/src/main/resources/templates/broad/box.html b/ruoyi-admin/src/main/resources/templates/broad/box.html
index b5e583a..ffbe92a 100644
--- a/ruoyi-admin/src/main/resources/templates/broad/box.html
+++ b/ruoyi-admin/src/main/resources/templates/broad/box.html
@@ -17,7 +17,15 @@
 
     <style>
 
-
+        .mid {
+            background: url(../../static/img/mid.png) no-repeat;
+            background-size: 100% 100%;
+            position: absolute;
+            top: 0;
+            left: 0;
+            width: 100%;
+            height: 100%;
+        }
         #top-right {
             position: absolute;
             width: 23.8%;
@@ -347,12 +355,12 @@
 
 <div id="inner-bile-by-type"></div>
 <div id="inner-bile-by-hour"></div>
+<div class="mid"></div>
 
 <script src="../../static/js/update-split-blocks.js" th:src="@{/js/update-split-blocks.js}"></script>
 <script src="../../static/js/auto-update.js" th:src="@{/js/auto-update.js}"></script>
 <script src="../../static/js/data-merger.js" th:src="@{/js/data-merger.js}"></script>
 <script>
-    const vw = (document.documentElement.clientWidth || document.body.clientWidth) / 100
     const planWorkOrderColumns = [
         "序号", "型号","计划数量", "完成数量", "完成率", "时间",
     ]
@@ -511,7 +519,6 @@
                 },
                 axisLabel: {
                     color: '#ffffff',
-                    fontSize:0.6 * vw,
                     interval:0,
                 },
                 splitLine: {