diff --git a/src/layout/components/Navbar.vue b/src/layout/components/Navbar.vue
index 288daf7..5130d74 100644
--- a/src/layout/components/Navbar.vue
+++ b/src/layout/components/Navbar.vue
@@ -319,9 +319,9 @@ export default {
       this.getUnReadList();
       // 实现轮询
       this.timer = setInterval(() => {
-        setTimeout(this.getUnReadList(), 30000);
-      }, 30000);
-    } 
+        setTimeout(this.getUnReadList(), 180000);
+      }, 180000);
+    }
   },
   components: {
     Breadcrumb,