rename to ec_app_device_record

src/main/java/cn/com/qmth/examcloud/app/model/DeviceRecord.java

@@ -22,7 +22,7 @@ import java.util.Date;
  * @since: 2018/7/16
  */
 @Entity
-@Table(name = "app_device_record")
+@Table(name = "ec_app_device_record")
 public class DeviceRecord extends IdEntity {
     @Column(length = 50)
     private String system;//系统标识，如：ios，android