diff --git a/frontend/src/business/components/xpack b/frontend/src/business/components/xpack
index f133ad3031..65b84a697a 160000
--- a/frontend/src/business/components/xpack
+++ b/frontend/src/business/components/xpack
@@ -1 +1 @@
-Subproject commit f133ad3031d6056f0b3766099515d49a0adb1709
+Subproject commit 65b84a697ad5ed6072e990fe7e75e93130f8f813
diff --git a/frontend/src/i18n/en-US.js b/frontend/src/i18n/en-US.js
index f58d1d08c4..ef28bfe74b 100644
--- a/frontend/src/i18n/en-US.js
+++ b/frontend/src/i18n/en-US.js
@@ -2216,6 +2216,7 @@ export default {
     script_view: "View script",
   },
   mail: {
+    input_mail_subject: "Please input subject",
     mail_subject: "Subject ",
     mail_addressee: "To ",
     mail_duplicate: "Cc ",
diff --git a/frontend/src/i18n/zh-CN.js b/frontend/src/i18n/zh-CN.js
index fc8fae8755..4903e8c9f0 100644
--- a/frontend/src/i18n/zh-CN.js
+++ b/frontend/src/i18n/zh-CN.js
@@ -2228,6 +2228,7 @@ export default {
     script_view: "查看脚本",
   },
   mail: {
+    input_mail_subject: "请输入邮件主题",
     mail_subject: "邮件主题",
     mail_addressee: "收件人",
     mail_duplicate: "抄送人",
diff --git a/frontend/src/i18n/zh-TW.js b/frontend/src/i18n/zh-TW.js
index 16eb5afd0f..fbf97aa83f 100644
--- a/frontend/src/i18n/zh-TW.js
+++ b/frontend/src/i18n/zh-TW.js
@@ -2227,6 +2227,7 @@ export default {
     script_view: "查看腳本",
   },
   mail: {
+    input_mail_subject: "請輸入郵件主題",
     mail_subject: "郵件主題",
     mail_addressee: "收件人",
     mail_duplicate: "抄送人",