fix: 验证码邮件标题

wfc-modules/wfc-system/src/main/java/org/wfc/system/controller/SysEmailController.java

@@ -59,7 +59,7 @@ public class SysEmailController extends BaseController {
             String htmlStr = templateEngine.process("mail", context);
             String subject = mailProperties.getSubject();
             if (StrUtil.isBlank(subject)) {
-                subject = "Your WANFI Verification Code";
+                subject = "Your Verification Code";
             }
             MailUtils.sendHtml(email, subject, htmlStr);
         } catch (Exception e) {