diff --git a/pages/newDataAnalysis/overallEfficiency.html b/pages/newDataAnalysis/overallEfficiency.html
index d110abd..fb6c944 100644
--- a/pages/newDataAnalysis/overallEfficiency.html
+++ b/pages/newDataAnalysis/overallEfficiency.html
@@ -29,7 +29,7 @@
         }
 
         body {
-            background: #f0f2f5;
+            background-color: transparent;
             color: var(--dark);
             min-height: 100vh;
             overflow-x: hidden;
@@ -497,15 +497,6 @@
 </head>
 <body>
     <div class="container">
-        <header>
-            <div class="logo">
-                <div class="logo-icon">
-                    <i class="fas fa-hard-hat"></i>
-                </div>
-                <div class="logo-text">工地整体效能分析系统</div>
-            </div>
-            <div class="last-update">最后更新: 2023-11-16 14:30</div>
-        </header>
 
         <!-- 主仪表盘 -->
         <div class="dashboard" id="dashboard"></div>
