fix(jg)：打证报错问题处理

amos-boot-system-tzs/amos-boot-module-jg/amos-boot-module-jg-biz/src/main/java/com/yeejoin/amos/boot/module/jg/biz/service/impl/JgUseRegistrationManageServiceImpl.java

@@ -388,7 +388,7 @@ public class JgUseRegistrationManageServiceImpl extends BaseService<JgUseRegistr
                                     new LambdaQueryWrapper<JgUseRegistration>()
                                             .eq(JgUseRegistration::getUseRegistrationCode, useRegistrationCode)
                             ).stream()
-                            .max(Comparator.comparing(JgUseRegistration::getRegType))
+                            .max(Comparator.comparing(JgUseRegistration::getRecDate))
                             .ifPresent(useRegistration -> jgUseRegistrationService.exportUseRegistrationCertificate(String.valueOf(useRegistration.getSequenceNbr()), response, getPrintTypeCode(printType)));
                 }
                 break;