fix: add priority selector to ticket create form

public/js/pages/ticket-create.js

@@ -26,6 +26,13 @@ const TicketCreate = {
               <input name="title" required placeholder="${isReport ? '如：玩家破坏建筑' : isAppeal ? '如：申请解除封禁' : '如：增加领地保护功能'}">
             </div>
 
+            <div class="form-group">
+              <label>优先级</label>
+              <select name="priority">
+                <option value="low">低</option><option value="medium" selected>中</option><option value="high">高</option><option value="urgent">紧急</option>
+              </select>
+            </div>
+
             <div class="grid-2">
               <div class="form-group">
                 <label>您的游戏名称 *</label>