diff --git a/public/locales/en-US/dashboard.json b/public/locales/en-US/dashboard.json
index f6c5754..080691a 100644
--- a/public/locales/en-US/dashboard.json
+++ b/public/locales/en-US/dashboard.json
@@ -1315,6 +1315,8 @@
     "deleteXPayments": "Delete {{num}} payments"
   },
   "vas": {
+    "disableSubAddressEmail": "Disable sub-address email",
+    "disableSubAddressEmailDes": "After enabled, email addresses containing <0>+</0> cannot be used for sign-up.",
     "confirmDelete": "Are you sure you want to delete these orders?",
     "vas": "VAS",
     "reports": "Reports",
diff --git a/public/locales/ja-JP/dashboard.json b/public/locales/ja-JP/dashboard.json
index 3da2614..6ecf5b1 100644
--- a/public/locales/ja-JP/dashboard.json
+++ b/public/locales/ja-JP/dashboard.json
@@ -1302,6 +1302,8 @@
     "deleteXPayments": "{{num}}件の注文を削除"
   },
   "vas": {
+    "disableSubAddressEmail": "サブアドレスメールの無効化",
+    "disableSubAddressEmailDes": "有効化後、<0>+</0>を含むメールアドレスは登録不可になります。",
     "confirmDelete": "これらの注文を削除しますか？",
     "vas": "付加価値サービス",
     "reports": "報告",
diff --git a/public/locales/zh-CN/dashboard.json b/public/locales/zh-CN/dashboard.json
index ee90d1f..e3d5db7 100644
--- a/public/locales/zh-CN/dashboard.json
+++ b/public/locales/zh-CN/dashboard.json
@@ -1302,6 +1302,8 @@
     "deleteXPayments": "删除 {{num}} 个订单"
   },
   "vas": {
+    "disableSubAddressEmail": "禁用子地址邮箱",
+    "disableSubAddressEmailDes": "开启后，包含加号 <0>+</0> 的邮箱地址无法注册账户。",
     "confirmDelete": "确认要删除这些订单?",
     "vas": "增值服务",
     "reports": "举报",
diff --git a/public/locales/zh-TW/dashboard.json b/public/locales/zh-TW/dashboard.json
index ef4c01a..2d39f4e 100644
--- a/public/locales/zh-TW/dashboard.json
+++ b/public/locales/zh-TW/dashboard.json
@@ -1299,6 +1299,8 @@
     "deleteXPayments": "刪除 {{num}} 個訂單"
   },
   "vas": {
+    "disableSubAddressEmail": "禁用子地址郵箱",
+    "disableSubAddressEmailDes": "開啟後，包含加號 <0>+</0> 的郵箱地址無法註冊賬戶。",
     "confirmDelete": "確認要刪除這些訂單?",
     "vas": "增值服務",
     "reports": "舉報",
diff --git a/src/component/Admin/Settings/UserSession/UserSession.tsx b/src/component/Admin/Settings/UserSession/UserSession.tsx
index e43e9ba..c8aad6e 100644
--- a/src/component/Admin/Settings/UserSession/UserSession.tsx
+++ b/src/component/Admin/Settings/UserSession/UserSession.tsx
@@ -7,6 +7,7 @@ import SizeInput from "../../../Common/SizeInput.tsx";
 import { DenseFilledTextField, DenseSelect } from "../../../Common/StyledComponents.tsx";
 import { SquareMenuItem } from "../../../FileManager/ContextMenu/ContextMenu.tsx";
 import SettingForm, { ProChip } from "../../../Pages/Setting/SettingForm.tsx";
+import { Code } from "../../Common/Code.tsx";
 import GroupSelectionInput from "../../Common/GroupSelectionInput.tsx";
 import SharesInput from "../../Common/SharesInput.tsx";
 import { NoMarginHelperText, SettingSection, SettingSectionContent } from "../Settings.tsx";
@@ -110,7 +111,7 @@ const UserSession = () => {
             </SettingForm>
             <SettingForm title={t("settings.defaultSymbolics")} lgWidth={5} pro>
               <FormControl>
-                <SharesInput/>
+                <SharesInput />
                 <NoMarginHelperText>
                   <Trans
                     i18nKey="settings.defaultSymbolicsDes"
@@ -140,6 +141,22 @@ const UserSession = () => {
                 <NoMarginHelperText>{t("vas.filterEmailProviderDes")}</NoMarginHelperText>
               </FormControl>
             </SettingForm>
+            <SettingForm lgWidth={5} pro>
+              <FormControl fullWidth>
+                <FormControlLabel
+                  control={<Switch checked={false} />}
+                  label={
+                    <>
+                    {t("vas.disableSubAddressEmail")}
+                      <ProChip label="Pro" color="primary" size="small" />
+                    </>
+                  }
+                />
+                <NoMarginHelperText>
+                  <Trans i18nKey="vas.disableSubAddressEmailDes" ns={"dashboard"} components={[<Code />]} />
+                </NoMarginHelperText>
+              </FormControl>
+            </SettingForm>
           </SettingSectionContent>
         </SettingSection>
         <SettingSection>