From ea1764e506c3283027c483f2598b3e64d1b2f7e1 Mon Sep 17 00:00:00 2001
From: chenjiajian <798095202@qq.com>
Date: Mon, 27 May 2019 16:23:59 +0800
Subject: [PATCH] =?UTF-8?q?fix(taro-alipay):=20=E4=BF=AE=E5=A4=8D=E6=94=AF?=
 =?UTF-8?q?=E4=BB=98=E5=AE=9D=E5=B0=8F=E7=A8=8B=E5=BA=8F=20componentWillUn?=
 =?UTF-8?q?mount=20=E6=8A=A5=E9=94=99=E7=9A=84=E9=97=AE=E9=A2=98=EF=BC=8Cc?=
 =?UTF-8?q?lose=20#3167?=
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支付宝小程序页面对象不存在 props 属性，所以取 props.compid 前需要先判断是否存在 props。
---
 packages/taro-alipay/src/create-component.js | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/packages/taro-alipay/src/create-component.js b/packages/taro-alipay/src/create-component.js
index 734320f6a266..877bda51f3a3 100644
--- a/packages/taro-alipay/src/create-component.js
+++ b/packages/taro-alipay/src/create-component.js
@@ -172,8 +172,10 @@ export function componentTrigger (component, key, args) {
   }
 
   if (key === 'componentWillUnmount') {
-    const compid = component.$scope.props.compid
-    if (compid) propsManager.delete(compid)
+    if (component.$scope.props) {
+      const compid = component.$scope.props.compid
+      if (compid) propsManager.delete(compid)
+    }
   }
 
   component[key] && typeof component[key] === 'function' && component[key](...args)