diff --git a/src/main/java/com/cool/modules/user/controller/admin/AdminUserInfoController.java b/src/main/java/com/cool/modules/user/controller/admin/AdminUserInfoController.java
index 3fb7283..65132dd 100644
--- a/src/main/java/com/cool/modules/user/controller/admin/AdminUserInfoController.java
+++ b/src/main/java/com/cool/modules/user/controller/admin/AdminUserInfoController.java
@@ -51,6 +51,9 @@ public class AdminUserInfoController extends BaseController<UserInfoService, Use
                 if (ObjUtil.isNotEmpty(before.getUsername())) {
                     t.setUsername(null);
                 }
+                if (ObjUtil.isEmpty(before.getUsername())) {
+                    t.setEmail(null);
+                }
                 if (ObjUtil.isNotEmpty(t.getEmail()) && !ObjUtil.equals(t.getEmail(), before.getEmail())) {
                     userInfoService.checkEmailUnique(t.getEmail(), id);
                 }