diff --git a/docs/examples/popover/directive-usage.vue b/docs/examples/popover/directive-usage.vue
index 6494c0319a..6dd4de48ce 100644
--- a/docs/examples/popover/directive-usage.vue
+++ b/docs/examples/popover/directive-usage.vue
@@ -17,7 +17,7 @@
 <script setup lang="ts">
 import { ref, unref } from 'vue'
 import { ClickOutside as vClickOutside } from 'element-plus'
-const buttonRef = ref()
+
 const popoverRef = ref()
 const onClickOutside = () => {
   unref(popoverRef).popperRef?.delayHide?.()