diff --git a/internal/service/cli.go b/internal/service/cli.go
index b9c48539..b1a4b0c6 100644
--- a/internal/service/cli.go
+++ b/internal/service/cli.go
@@ -136,7 +136,7 @@ func (s *CliService) Info(ctx context.Context, cmd *cli.Command) error {
 	user.Username = str.Random(8)
 	user.Password = hashed
 	if user.Email == "" {
-		user.Email = str.Random(8) + "@example.com"
+		user.Email = str.Random(8) + "@yourdomain.com"
 	}
 
 	if err = s.db.Save(user).Error; err != nil {
diff --git a/web/src/views/setting/SettingBase.vue b/web/src/views/setting/SettingBase.vue
index 400b829c..8195322a 100644
--- a/web/src/views/setting/SettingBase.vue
+++ b/web/src/views/setting/SettingBase.vue
@@ -71,7 +71,7 @@ const handleSave = () => {
         <n-input v-model:value="model.password" :placeholder="$gettext('admin')" />
       </n-form-item>
       <n-form-item :label="$gettext('Certificate Default Email')">
-        <n-input v-model:value="model.email" :placeholder="$gettext('admin@example.com')" />
+        <n-input v-model:value="model.email" :placeholder="$gettext('admin@yourdomain.com')" />
       </n-form-item>
       <n-form-item :label="$gettext('Port')">
         <n-input-number v-model:value="model.port" :placeholder="$gettext('8888')" />