text: CREATE TABLE b_a_c001_safe_send_method (
    	pk_id bigint(20) NOT NULL AUTO_INCREMENT COMMENT '主键id',
    	block_height bigint(20) NOT NULL COMMENT '交易所在块高',
    	tx_hash varchar(100) NOT NULL COMMENT '交易哈希',
  	_to varchar(255) NOT NULL,
  	_value bigint NOT NULL,
  	_data varchar(128) NOT NULL,
    	`updatetime` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP COMMENT '更新时间',
   	PRIMARY KEY (pk_id)
  ) COMMENT='b_a_c001_safe_send_method' ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;