update bilingual

lib/views/admin/app.html

@@ -199,7 +199,7 @@
         <div class="form-group">
           <div class="col-xs-offset-3 col-xs-6">
             <input type="hidden" name="_csrf" value="{{ csrf() }}">
-            <button type="submit" class="btn btn-primary">更新</button>
+            <button type="submit" class="btn btn-primary">{{ t('app_setting.Reload') }}</button>
           </div>
         </div>