From d270af0a5ae30d20da42fccb0b33dd023bec3eac Mon Sep 17 00:00:00 2001
From: Tevin <tingquanren@163.com>
Date: Fri, 09 Jul 2021 14:39:26 +0800
Subject: [PATCH] 调整页面间通讯组件细节

---
 common/PagePoster.js |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)

diff --git a/common/PagePoster.js b/common/PagePoster.js
index 0ffd4c2..b9caed0 100644
--- a/common/PagePoster.js
+++ b/common/PagePoster.js
@@ -34,9 +34,15 @@
             id: guid,
             events: new Taro.Events(),
             on(name, callback) {
+                if (!this.events) {
+                    return;
+                }
                 this.events.on(name, callback);
             },
             emit(name, data) {
+                if (!this.events) {
+                    return;
+                }
                 this.events.trigger(name, data);
             },
             destroy() {

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