fix lint error

Signed-off-by: yxxhero <aiopsclub@163.com>

manager/oauth/oauth.go

@@ -126,12 +126,11 @@ func (oa *baseOauth2) ExchangeUserByCode(code string, db *gorm.DB) (*model.User,
 		}
 		return &user, nil
 
-	} else {
+	}
 	user := model.User{}
 	if err := db.Model(model.User{}).Where("name = ?", u.Name).First(&user).Error; err != nil {
 		return nil, err
 	}
 	return &user, nil
-	}
 
 }