From 822a5796b9ab96c1fd3946a66bd92f14d8920ca5 Mon Sep 17 00:00:00 2001
From: Noblet Ouways <91417411+Dsaquel@users.noreply.github.com>
Date: Thu, 31 Jul 2025 05:31:43 +0200
Subject: [PATCH] fix(components): [select-v2] set model-value default to
 undefined (#21540)

* fix(components): [select-v2] set `model-value` default to `undefined`

* test: test
---
 packages/components/select-v2/__tests__/select.test.ts | 9 +++++++++
 packages/components/select-v2/src/defaults.ts          | 1 +
 2 files changed, 10 insertions(+)

diff --git a/packages/components/select-v2/__tests__/select.test.ts b/packages/components/select-v2/__tests__/select.test.ts
index 742978fa4e..18979b7f29 100644
--- a/packages/components/select-v2/__tests__/select.test.ts
+++ b/packages/components/select-v2/__tests__/select.test.ts
@@ -254,6 +254,15 @@ describe('Select', () => {
     )
   })
 
+  it('should show placeholder when no model-value setted', async () => {
+    const wrapper = _mount('<el-select :options="[]"></el-select>')
+    expect(
+      wrapper
+        .find('.el-select__selected-item.el-select__placeholder > span')
+        .text()
+    ).toBe('Select')
+  })
+
   it('default value', async () => {
     const wrapper = createSelect({
       data: () => ({
diff --git a/packages/components/select-v2/src/defaults.ts b/packages/components/select-v2/src/defaults.ts
index 383ad74e1c..f37afd66a8 100644
--- a/packages/components/select-v2/src/defaults.ts
+++ b/packages/components/select-v2/src/defaults.ts
@@ -136,6 +136,7 @@ export const selectV2Props = buildProps({
     type: definePropType<
       any[] | string | number | boolean | Record<string, any> | any
     >([Array, String, Number, Boolean, Object]),
+    default: undefined,
   },
   /**
    * @description is multiple