update

src/main/resources/templates/mail/new_client_notice.html

@@ -75,7 +75,7 @@
         <span th:text="${bd.display_name}"></span><br>
         Email:<a href="mailto:$bd.email" th:utext="${bd.email}"></a><br>
         <span th:text="${bd.phone}"></span><br>
-        <span th:text="${bd.wechat}"></span>
+        <span th:if="${bd['wechat']!=null} and ${bd['wechat']!=''}" th:text="${bd.wechat}"></span>
     </p>
 </div>
 <hr>