stop using default constructor
stop using default constructor

xiaoyaozi5566/DiamondCache,xiaoyaozi5566/DiamondCache,xiaoyaozi5566/DiamondCache,xiaoyaozi5566/DiamondCache,xiaoyaozi5566/DiamondCache,xiaoyaozi5566/DiamondCache,xiaoyaozi5566/DiamondCache,xiaoyaozi5566/DiamondCache,xiaoyaozi5566/DiamondCache