diff --git a/common/common.js b/common/common.js
index e163b51..bc7e592 100644
--- a/common/common.js
+++ b/common/common.js
@@ -164,6 +164,12 @@ $(function () {
             });
 
             showIndex = index;
+          } else {
+            // 当前导航项没有下拉内容，收起之前打开的面板
+            $(".nav-cont").css("height", "0");
+            setTimeout(() => {
+              $(".nav-cont .nav-cont-menu").css("display", "none");
+            }, 300);
           }
         }, 150);
       },