From 567ebd7321fdea3974adba7de04ff19622656b83 Mon Sep 17 00:00:00 2001
From: msxinliao <1400401804@qq.com>
Date: Thu, 17 Mar 2022 08:35:31 +0000
Subject: [PATCH] update docs/component/barcode.md.

---
 docs/component/barcode.md | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/docs/component/barcode.md b/docs/component/barcode.md
index 328afda64..222915959 100644
--- a/docs/component/barcode.md
+++ b/docs/component/barcode.md
@@ -118,6 +118,8 @@ message|string|失败描述
 				console.log("fail1:" + JSON.stringify(e));
 			},
 			toStart: function() {
+                                // 重复点击开始扫描会有一部分机型不能正常使用，需要先取消后才能正常使用
+                                this.$refs.barcode.cancel();
 				this.$refs.barcode.start({
 					conserve: true,
 					filename: '_doc/barcode/'
-- 
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