diff --git a/common/common.js b/common/common.js
index bc7e592..140b743 100644
--- a/common/common.js
+++ b/common/common.js
@@ -222,6 +222,20 @@ $(function () {
       }
     );
 
+    // 当鼠标离开整个导航区域（包括下拉面板）时收起
+    $(".nav-shadow").on("mouseleave", function () {
+      if (hoverTimer) {
+        clearTimeout(hoverTimer);
+        hoverTimer = null;
+      }
+      leaveTimer = setTimeout(() => {
+        $(".nav-cont").css("height", "0");
+        setTimeout(() => {
+          $(".nav-cont .nav-cont-menu").css("display", "none");
+        }, 300);
+      }, 100);
+    });
+
     if (localStorage.jwt) {
       if (sessionStorage.accountInfo) {
         const obj = JSON.parse(sessionStorage.accountInfo);