From 53bd3bd2ff2a9ffbb2bef152d8d172595a80b1a9 Mon Sep 17 00:00:00 2001
From: fxy060608 <fxy060608@gmail.com>
Date: Mon, 13 May 2019 16:58:11 +0800
Subject: [PATCH] fix #380

---
 src/core/helpers/promise.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/core/helpers/promise.js b/src/core/helpers/promise.js
index 59f1087f..f2374017 100644
--- a/src/core/helpers/promise.js
+++ b/src/core/helpers/promise.js
@@ -57,7 +57,7 @@ export function promisify (name, api) {
         fail: reject
       }), ...params)
       /* eslint-disable no-extend-native */
-      try {
+      if (!Promise.prototype.finally) {
         Promise.prototype.finally = function (callback) {
           const promise = this.constructor
           return this.then(
@@ -67,7 +67,7 @@ export function promisify (name, api) {
             })
           )
         }
-      } catch (e) {}
+      }
     }))
   }
 }
-- 
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