diff --git a/resources/assets/js/components/Navbar.vue b/resources/assets/js/components/Navbar.vue
index aa7ab426..d3bb36e3 100644
--- a/resources/assets/js/components/Navbar.vue
+++ b/resources/assets/js/components/Navbar.vue
@@ -23,7 +23,7 @@
               </el-badge>
               <el-dropdown-menu slot="dropdown">
                 <div id="notification">
-                  <div v-for="(item,index) in notification">
+                  <div v-for="item in notification" :key="item">
                     <a v-on:click.prevent='readNotification(item.id);navigateTo(item.link)'>
                       <el-dropdown-item>
                         <b v-if="item.is_read == 0">