From 3db846ed08a3c74657600028b1c4f50c1fd10b91 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Huan=20LI=20=28=E6=9D=8E=E5=8D=93=E6=A1=93=29?=
 <zixia@zixia.net>
Date: Sun, 3 May 2020 16:28:18 +0800
Subject: [PATCH] check return promise from plugin

---
 src/wechaty.ts | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/wechaty.ts b/src/wechaty.ts
index c93b545c..19e2df1e 100644
--- a/src/wechaty.ts
+++ b/src/wechaty.ts
@@ -570,7 +570,10 @@ export class Wechaty extends EventEmitter implements Sayable {
     for (const plugin of plugins) {
       try {
         const future = plugin(this)
-        if (future) {
+        /**
+         * We check `future.catch` at here is to prevent some plugin that return something other than `void`(undefined)
+         */
+        if (future && typeof future.catch === 'function') {
           future.catch(e => {
             log.error('Wechaty', 'use(%s) rejection: %s',
               plugin.name,
-- 
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