diff --git a/platform-operate-api/src/main/java/com/lyms/platform/operate/web/request/MatDeliverAddRequest.java b/platform-operate-api/src/main/java/com/lyms/platform/operate/web/request/MatDeliverAddRequest.java
index 9cd5f3a..7766a7c 100644
--- a/platform-operate-api/src/main/java/com/lyms/platform/operate/web/request/MatDeliverAddRequest.java
+++ b/platform-operate-api/src/main/java/com/lyms/platform/operate/web/request/MatDeliverAddRequest.java
@@ -375,7 +375,7 @@ public class MatDeliverAddRequest implements IBasicRequestConvert<MaternalDelive
 
     public static class Placenta{
         //心率
-        private double heartRate;
+        private Double heartRate;
         //胎方位
         private String fetalPosition;
         //胎先露
@@ -399,11 +399,11 @@ public class MatDeliverAddRequest implements IBasicRequestConvert<MaternalDelive
             this.fetalPresentation = fetalPresentation;
         }
 
-        public double getHeartRate() {
+        public Double getHeartRate() {
             return heartRate;
         }
 
-        public void setHeartRate(double heartRate) {
+        public void setHeartRate(Double heartRate) {
             this.heartRate = heartRate;
         }