fix datetime

app/admin/view/sina/group_page_config.html

@@ -302,7 +302,7 @@
         <span class="color-green font-w7 label-required-prev">直播开启时间</span>
         <span class="color-desc margin-left-5">Begin Date</span>
         <input
-            data-date-input="date"
+            data-date-input="datetime"
             required
             placeholder="请输入直播开启时间"
             class="layui-input"