style: 修改广播帮助的数量提示

src/i18n/locales/en-US.ts

@@ -395,7 +395,7 @@ export default {
         createdAt:'Create Time',
         eventNameHelp:'If it is CMAS, the recommended prefix is cmas_xxx. If it is ETWS, the recommended prefix is etws_xxx',
         repetitionPeriodHelp:'Unit is seconds',
-        numOfBcastHelp:'Unit is seconds',
+        numOfBcastHelp:'Number of Broadcasts',
         cellListTip:'CellId List cannot be empty',
         cellListSonTip:'MCC、MNC、 Cannot be empty, and at least one EUTRA CellId/NR CellId must be filled in',
         letupSure:'Do you confirm the status of the broadcast event with the modification number 【{id}】?',

src/i18n/locales/zh-CN.ts

@@ -395,7 +395,7 @@ export default {
         createdAt:'创建时间',
         eventNameHelp:'如果为CMAS,推荐前缀为cmas_xxx,如果为ETWS,推荐前缀为etws_xxx',
         repetitionPeriodHelp:'单位是秒',
-        numOfBcastHelp:'单位是秒',
+        numOfBcastHelp:'广播帮助的数量',
         cellListTip:'CellId List不能为空',
         cellListSonTip:'MCC、MNC、不能为空以及EUTRA CellId/NR CellId至少填写一个',
         letupSure:'确认修改编号为 【{id}】 的广播事件的状态嘛?',