diff --git a/platform-operate-api/src/main/java/com/lyms/platform/operate/web/facade/SieveFacade.java b/platform-operate-api/src/main/java/com/lyms/platform/operate/web/facade/SieveFacade.java
index 5adfb16..d8afd6a 100644
--- a/platform-operate-api/src/main/java/com/lyms/platform/operate/web/facade/SieveFacade.java
+++ b/platform-operate-api/src/main/java/com/lyms/platform/operate/web/facade/SieveFacade.java
@@ -1399,7 +1399,7 @@ public class SieveFacade {
     private void yunZhouMth(SieveApplyOrderModel sieveApplyOrderModel, Patients p) {
         //打印需要 根据采样时间算出采样孕周
         if(sieveApplyOrderModel.getCollectionDate()!=null && p.getLastMenses()!=null){
-            sieveApplyOrderModel.setCaiyangyunzhou(DateUtil.getWeekDesc(p.getLastMenses(),sieveApplyOrderModel.getBcCheckDate()));
+            sieveApplyOrderModel.setCaiyangyunzhou(DateUtil.getWeekDesc(p.getLastMenses(),sieveApplyOrderModel.getCollectionDate()));
         }
         // 根据B超时间算出B超孕周
         if(sieveApplyOrderModel.getBcCheckDate()!=null && p.getLastMenses()!=null){