diff --git a/platform-operate-api/src/main/java/com/lyms/platform/operate/web/facade/AntenatalExaminationFacade.java b/platform-operate-api/src/main/java/com/lyms/platform/operate/web/facade/AntenatalExaminationFacade.java
index c9bfc36..2b01216 100644
--- a/platform-operate-api/src/main/java/com/lyms/platform/operate/web/facade/AntenatalExaminationFacade.java
+++ b/platform-operate-api/src/main/java/com/lyms/platform/operate/web/facade/AntenatalExaminationFacade.java
@@ -544,7 +544,9 @@ public class AntenatalExaminationFacade {
 
 
     private List buildPatientList(Date dueDate, List<Patients> patientses,List listData) {
-
+        if(CollectionUtils.isEmpty(patientses)){
+            return listData;
+        }
         Organization organization = null;
         String pid = "";
         for (Patients patients : patientses) {