fix: use tx.Statement.Changed to ensure email is being changed before validating it

db/models/user.go

@@ -27,15 +27,15 @@ type User struct {
 }
 
 func (u *User) BeforeUpdate(tx *gorm.DB) error {
+	if tx.Statement.Changed("Email") {
 		verify, err := getEmailVerfier().Verify(u.Email)
-
 		if err != nil {
 			return err
 		}
-
 		if !verify.Syntax.Valid {
 			return errors.New("email is invalid")
 		}
+	}
 
 	return nil
 }