diff --git a/application/views/bootstrap/footer.php b/application/views/bootstrap/footer.php
index a2f3f516..8964f436 100644
--- a/application/views/bootstrap/footer.php
+++ b/application/views/bootstrap/footer.php
@@ -40,7 +40,7 @@
             </div>
             <div class="modal-body">
                 <label>需要更新的URL</label>
-                <input type="text" class="form-control" name="cdn_url" id="cdn_url" placeholder="如：https://data.chinarundreisen.com/min/?f=/css/tailorbox.css" style="width:100%"/>
+                <input type="text" class="form-control" name="cdn_url" id="cdn_url" placeholder="如：https://data.chinarundreisen.com/min/?f=/css/tailorbox.css" style="width:98%"/>
                 <input type="hidden" name="updatecdn_byhand" id="updatecdn_byhand" value="">
                 <p class="text-danger" id="cdncache_refresh_modal_msg" name="cdncache_refresh_modal_msg"></p>