diff --git a/platform-biz-patient-service/src/main/java/com/lyms/platform/biz/service/AntenatalExaminationService.java b/platform-biz-patient-service/src/main/java/com/lyms/platform/biz/service/AntenatalExaminationService.java
index 0297b24..8a6e1be 100644
--- a/platform-biz-patient-service/src/main/java/com/lyms/platform/biz/service/AntenatalExaminationService.java
+++ b/platform-biz-patient-service/src/main/java/com/lyms/platform/biz/service/AntenatalExaminationService.java
@@ -16,6 +16,7 @@ import com.lyms.platform.query.AntExRecordQuery;
 import com.lyms.platform.query.PatientsQuery;
 import com.lyms.platform.query.VisitQuery;
 import org.apache.commons.collections.CollectionUtils;
+import org.apache.commons.lang.StringUtils;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.data.domain.Sort;
 import org.springframework.stereotype.Service;
@@ -143,6 +144,9 @@ public class AntenatalExaminationService {
      */
     public void handleCheckPoint(String pid)
     {
+        if(StringUtils.isEmpty(pid)){
+            return;
+        }
         PatientsQuery patientsQuery = new PatientsQuery();
         patientsQuery.setYn(YnEnums.YES.getId());
         patientsQuery.setPid(pid);