diff --git a/frontend/src/business/components/settings/system/User.vue b/frontend/src/business/components/settings/system/User.vue
index 5be7dcc5ae..402b4413b1 100644
--- a/frontend/src/business/components/settings/system/User.vue
+++ b/frontend/src/business/components/settings/system/User.vue
@@ -381,7 +381,7 @@ export default {
       rule: {
         id: [
           {required: true, message: this.$t('user.input_id'), trigger: 'blur'},
-          {min: 2, max: 50, message: this.$t('commons.input_limit', [2, 50]), trigger: 'blur'},
+          {min: 1, max: 50, message: this.$t('commons.input_limit', [1, 50]), trigger: 'blur'},
           {
             required: true,
             pattern: '^[^\u4e00-\u9fa5]+$',