From dccd1ddbae0bab7dca78b45b426286af5f48de2f Mon Sep 17 00:00:00 2001
From: dengnanhao <dengnanhao@hddata.cn>
Date: Wed, 8 Apr 2026 10:17:52 +0800
Subject: [PATCH] =?UTF-8?q?fix=20load=E3=80=81error=20event?=
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---
 components/preview/index.ts | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/components/preview/index.ts b/components/preview/index.ts
index 1fc3dce..c416dc6 100644
--- a/components/preview/index.ts
+++ b/components/preview/index.ts
@@ -193,9 +193,11 @@ async function Custom() {
       };
       onError = () => {
         this.preview?.removeChild(this._loadingElement!);
+        this.dispatchEvent(new CustomEvent('error', { bubbles: true, composed: true }));
       };
       onLoad = () => {
         this.preview?.removeChild(this._loadingElement!);
+        this.dispatchEvent(new CustomEvent('load', { bubbles: true, composed: true }));
       };
       handleFile = async (file: string | File) => {
         try {