diff --git a/platform-dal/src/main/java/com/lyms/platform/pojo/PatientWeight.java b/platform-dal/src/main/java/com/lyms/platform/pojo/PatientWeight.java
index b8ec15a..58b30ae 100644
--- a/platform-dal/src/main/java/com/lyms/platform/pojo/PatientWeight.java
+++ b/platform-dal/src/main/java/com/lyms/platform/pojo/PatientWeight.java
@@ -2,6 +2,7 @@ package com.lyms.platform.pojo;
 
 import com.lyms.platform.beans.SerialIdEnum;
 import com.lyms.platform.common.result.BaseModel;
+import com.lyms.platform.common.utils.StringUtils;
 import org.springframework.data.annotation.Transient;
 import org.springframework.data.mongodb.core.mapping.Document;
 
@@ -274,6 +275,11 @@ public class PatientWeight extends BaseModel {
     }
 
     public String getBregmatic() {
+        if (StringUtils.isEmpty(bregmatic) || "null".equals(bregmatic))
+        {
+            return null;
+        }
+
         return bregmatic;
     }
 
@@ -282,6 +288,10 @@ public class PatientWeight extends BaseModel {
     }
 
     public String getBregmaticOther() {
+        if (StringUtils.isEmpty(bregmaticOther) || "null".equals(bregmaticOther))
+        {
+            return "";
+        }
         return bregmaticOther;
     }