Bug Type: Style

Environment

• Vue Version: 3.2.47
• Element Plus Version: 2.3.4
• Browser / OS: Chrome latest
• Build Tool: Vite

Reproduction

Related Component

• el-upload

Reproduction Link

Element Plus Playground

Steps to reproduce

drag file to the component and dont release the left button continue move and when the mouse over the slot it flicker

What is Expected?

dont flicker

What is actually happening?

it flicker

Additional comments

(empty)