From 8f57bf610e786bf269f1ac98ef57fff2f9566719 Mon Sep 17 00:00:00 2001
From: SongWuKong <syfzxx@vip.qq.com>
Date: Tue, 21 Dec 2021 14:03:51 +0800
Subject: [PATCH] fix(components): [el-popper] onVisibilityChange (#4907)

---
 packages/components/popper/src/use-popper/index.ts | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/packages/components/popper/src/use-popper/index.ts b/packages/components/popper/src/use-popper/index.ts
index 07de26e7f5..ca6626363f 100644
--- a/packages/components/popper/src/use-popper/index.ts
+++ b/packages/components/popper/src/use-popper/index.ts
@@ -201,7 +201,11 @@ export default function (
   function onVisibilityChange(toState: boolean) {
     if (toState) {
       popperStyle.value.zIndex = PopupManager.nextZIndex()
-      initializePopper()
+      if (popperInstance) {
+        popperInstance.update()
+      } else {
+        initializePopper()
+      }
     }
   }