Fix translate error

Signed-off-by: Jianhui Zhao <jianhuizhao329@gmail.com>

assets/src/components/Home.vue

@@ -4,7 +4,7 @@
             <Col span="6">
                 <Input v-model="filterString" icon="search" size="large" @on-change="handleSearch" :placeholder="$t('Please enter the filter key...')" style="width: 400px" />
             </Col>
-            <Col span="3" offset="15" class="counter">{{ $t('Online Device: {count}', {count: devlists.length}) }}</Col>
+            <Col span="3" offset="15" class="counter">{{ $t('device-count', {count: devlists.length}) }}</Col>
          </Row>
         <Table :loading="loading" :columns="devlistTitle" :data="filtered" style="margin-top: 10px; width: 100%" :no-data-text="$t('No devices connected')"></Table>
 	</div>

assets/src/rtty-i18n.js

@@ -1,6 +1,7 @@
 const RttyI18n = {
 	'en-US': {
-		'upfile-info': 'The file "{name}" will be saved in the "/tmp/" directory of your device.'
+		'upfile-info': 'The file "{name}" will be saved in the "/tmp/" directory of your device.',
+		'device-count': 'Online Device: {count}'
 	},
 	'zh-CN': {
 		'Description': '描述',
@@ -31,7 +32,7 @@ const RttyI18n = {
 		'username is required': '用户名为必填',
 		'Login Fail! username or password wrong.': '登录失败，用户名或密码错误',
 		'Connect failed': '连接失败',
-		'Online Device: {count}': '在线设备数：{count}',
+		'device-count': '在线设备数：{count}',
 	}
 }