diff --git a/src/views/system/optiontabs/SmtpTab.vue b/src/views/system/optiontabs/SmtpTab.vue
index 70968fe21..8d15cff5b 100644
--- a/src/views/system/optiontabs/SmtpTab.vue
+++ b/src/views/system/optiontabs/SmtpTab.vue
@@ -12,6 +12,9 @@
           <a-form-model-item label="发送协议：" prop="email_protocol">
             <a-input v-model="options.email_protocol" />
           </a-form-model-item>
+          <a-form-model-item label="启用 STARTTLS：">
+            <a-switch v-model="options.email_starttls" />
+          </a-form-model-item>
           <a-form-model-item label="SSL 端口：" prop="email_ssl_port">
             <a-input v-model="options.email_ssl_port" />
           </a-form-model-item>