From d871117c68d3f10e28c2ef611e59b4db4c43cbb4 Mon Sep 17 00:00:00 2001
From: btea <2356281422@qq.com>
Date: Tue, 21 Oct 2025 15:48:33 +0800
Subject: [PATCH] fix(components): [select] should not affect global config
 (#22544)

---
 packages/components/select/src/select.vue | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/packages/components/select/src/select.vue b/packages/components/select/src/select.vue
index e858c1772c..c661ad2513 100644
--- a/packages/components/select/src/select.vue
+++ b/packages/components/select/src/select.vue
@@ -386,6 +386,7 @@ export default defineComponent({
 
   setup(props, { emit, slots }) {
     const instance = getCurrentInstance()!
+    const originalWarnHandler = instance.appContext.config.warnHandler
     instance.appContext.config.warnHandler = (...args) => {
       // Overrides warnings about slots not being executable outside of a render function.
       // We call slot below just to simulate data when persist is false, this warning message should be ignored
@@ -507,7 +508,7 @@ export default defineComponent({
 
     onBeforeUnmount(() => {
       // https://github.com/element-plus/element-plus/issues/21279
-      instance.appContext.config.warnHandler = undefined
+      instance.appContext.config.warnHandler = originalWarnHandler
     })
 
     return {