利用Spring +Mybatis時候 出錯了

   String check_time;   

import java.sql.Date;

public class HardTerminal {
	   String id;                
	   String terminal_name;   
	   String product_mode;     
	   String assert_id;         
	   String version;           
	   String responsible_users; 
	   String terminal_no;       
	   String terminal_img_url;  
	   String org_id;            
	 <span style="color:#ff0000;"> Date purchase_time; </span>
	   String purchase_company;  
	   String check_time;        
	   String remark;            
	   String creator;           
	   String create_time;       
	   String service_start;     
	   String service_end;
	   MultipartFile imgFile;
 

}