diff --git a/app/Models/User.php b/app/Models/User.php
index 0663f99f..aa31785d 100644
--- a/app/Models/User.php
+++ b/app/Models/User.php
@@ -314,6 +314,9 @@ class User extends Model implements AuthorizableContract, AuthenticatableContrac
             $value = null;
         } elseif (Hash::needsRehash($value)) {
             $value = Hash::make($value);
+
+            // 清空老密码
+            $this->attributes['old_password'] = null;
         }
 
         $this->attributes['password'] = $value;