diff --git a/src/pages/nav_system_content/SystemContentList.js b/src/pages/nav_system_content/SystemContentList.js
index f29be8a..4cc6183 100644
--- a/src/pages/nav_system_content/SystemContentList.js
+++ b/src/pages/nav_system_content/SystemContentList.js
@@ -103,21 +103,6 @@ const SystemContentList = (props) => {
                 "key": "/topnavbar00/business/envInformation",
                 "label": "环保信息管理"
             },
-            {
-                "path": "/topnavbar00/business/atmospherePollutantLibrary",
-                icon: <img 
-                    src={inforicon} 
-                    alt="大气污染特征污染物名录库" 
-                    style={{ 
-                        width: '16px', 
-                        height: '16px',
-                        opacity: selectedKey.includes('/topnavbar00/business/atmospherePollutantLibrary') ? 1 : 0.6
-                    }} 
-                />,
-                "key": "/topnavbar00/business/atmospherePollutantLibrary",
-                "label": "大气污染特征污染物名录库",
-                "hideInMenu": true  // 隐藏菜单，但允许路由匹配
-            },
             {
                 "path": "/topnavbar00/business/envmonitoring",
                 icon: <img