add tips for empty data

themes/beauty/views/list/bydate.php

@@ -217,7 +217,7 @@ eof;
 
 
         //显示月份导航菜单
-        if (!empty($viewData['para_year']) && !empty($viewData['cacheData_keys'][$viewData['para_year']])) {
+        if (!empty($viewData['allFiles']) && !empty($viewData['para_year']) && !empty($viewData['cacheData_keys'][$viewData['para_year']])) {
             echo '<ul class="nav nav-pills ml-1 mb-1">';
 
             $activedClass = empty($viewData['para_month']) ? 'active' : '';
@@ -422,6 +422,13 @@ eof;
 
                 $index++;
             }
+        }else {
+            echo <<<eof
+        <div class="alert alert-warning mt-1 mr-1 ml-1">
+            <h2>咦？没有文件哦</h2>
+            <p class="mt-1">人面不知何处去，桃花依旧笑春风...</p>
+        </div>
+eof;
         }
 ?>
     </div><!--im_mainl-->