【OpenHarmony开源贡献者计划2022】update zh-cn/application-dev/reference/apis/js-apis-nfctech.md.

中英文符号未区分；
Signed-off-by: N肖家宇 <jyxiaof@isoftstone.com>
Signed-off-by: N肖家宇 <jyxiaof@isoftstone.com>

zh-cn/application-dev/reference/apis/js-apis-nfctech.md

@@ -692,7 +692,7 @@ writeNdef(msg: NdefMessage, callback: AsyncCallback\<number>): void
 import tag from '@ohos.nfc.tag';
 
 // tagInfo is an Object given by nfc service when tag is dispatched.
-tag.NdefTag(taginfo).write(msg，function (error, has) {
+tag.NdefTag(taginfo).write(msg, function (error, has) {
     console.log(JSON.stringify(error))
     console.log('has: ' + has)
 })