feat(server): 添加服务器地理位置信息字段

为服务器模型添加经度、纬度及中心点坐标字段，并在相关逻辑中处理这些字段
同时修复服务器用户列表缓存功能

internal/logic/public/user/unbindDeviceLogic.go

@@ -69,6 +69,15 @@ func (l *UnbindDeviceLogic) UnbindDevice(req *types.UnbindDeviceRequest) error {
 		if err != nil {
 			return errors.Wrapf(xerr.NewErrCode(xerr.DatabaseDeletedError), "delete device online record err: %v", err)
 		}
+		var count int64
+		err = tx.Model(user.AuthMethods{}).Where("user_id = ?", deleteDevice.UserId).Count(&count).Error
+		if err != nil {
+			return errors.Wrapf(xerr.NewErrCode(xerr.DatabaseQueryError), "count user auth methods err: %v", err)
+		}
+
+		if count < 1 {
+			_ = tx.Where("id = ?", deleteDevice.UserId).Delete(&user.User{}).Error
+		}
 
 		//remove device cache
 		deviceCacheKey := fmt.Sprintf("%v:%v", config.DeviceCacheKeyKey, deleteDevice.Identifier)