From 9aafdc2d22c420f0bc83fd5e57c079c209e58640 Mon Sep 17 00:00:00 2001
From: yandadaFreedom <lareinayanyu@didiglobal.com>
Date: Thu, 9 Apr 2026 21:24:30 +0800
Subject: [PATCH] fix(web): guard proxy __invoke for undefined custom emit
 event

---
 .../core/src/platform/builtInMixins/proxyEventMixin.web.js   | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/packages/core/src/platform/builtInMixins/proxyEventMixin.web.js b/packages/core/src/platform/builtInMixins/proxyEventMixin.web.js
index 280e3f1865..5f4599d442 100644
--- a/packages/core/src/platform/builtInMixins/proxyEventMixin.web.js
+++ b/packages/core/src/platform/builtInMixins/proxyEventMixin.web.js
@@ -27,8 +27,9 @@ export default function proxyEventMixin () {
           } catch (e) {}
         }
         const location = this.__mpxProxy.options.mpxFileResource
+        const isObjectEvent = rawEvent && typeof rawEvent === 'object'
 
-        if (rawEvent.target && !rawEvent.target._datasetProcessed) {
+        if (isObjectEvent && rawEvent.target && !rawEvent.target._datasetProcessed) {
           const originalDataset = rawEvent.target.dataset
           Object.defineProperty(rawEvent.target, 'dataset', {
             get: () => parseDataset(originalDataset),
@@ -37,7 +38,7 @@ export default function proxyEventMixin () {
           })
           rawEvent.target._datasetProcessed = true
         }
-        if (rawEvent.currentTarget && !rawEvent.currentTarget._datasetProcessed) {
+        if (isObjectEvent && rawEvent.currentTarget && !rawEvent.currentTarget._datasetProcessed) {
           const originalDataset = rawEvent.currentTarget.dataset
           Object.defineProperty(rawEvent.currentTarget, 'dataset', {
             get: () => parseDataset(originalDataset),