diff --git a/packages/ui/certd-client/src/components/email-selector/index.vue b/packages/ui/certd-client/src/components/email-selector/index.vue
index 2c1fa884..3dfa3468 100644
--- a/packages/ui/certd-client/src/components/email-selector/index.vue
+++ b/packages/ui/certd-client/src/components/email-selector/index.vue
@@ -61,8 +61,15 @@ async function addItem() {
     return;
   }
 
+  debugger;
+  if (emails.value.find(item => item.value === email)) {
+    notification.warning({
+      message: "此邮箱已存在",
+    });
+    return;
+  }
   await api.EmailAdd(email);
-  emails.value.push({
+  emails.value.unshift({
     value: email,
     label: email,
   });
diff --git a/packages/ui/certd-server/src/plugins/plugin-notification/email/index.ts b/packages/ui/certd-server/src/plugins/plugin-notification/email/index.ts
index ddba2491..91e4946a 100644
--- a/packages/ui/certd-server/src/plugins/plugin-notification/email/index.ts
+++ b/packages/ui/certd-server/src/plugins/plugin-notification/email/index.ts
@@ -9,10 +9,10 @@ export class EmailNotification extends BaseNotification {
   @NotificationInput({
     title: '收件人邮箱',
     component: {
-      name: 'a-select',
+      name: 'email-selector',
       vModel: 'value',
       mode: 'tags',
-      open: false,
+      // open: false,
     },
     required: true,
     helper: '可以填写多个，填写一个按回车键再填写下一个\n需要先[配置邮件服务器](#/sys/settings/email)',