diff --git a/platform-operate-api/src/main/java/com/lyms/platform/operate/web/service/impl/PatientWeightServiceImpl.java b/platform-operate-api/src/main/java/com/lyms/platform/operate/web/service/impl/PatientWeightServiceImpl.java
index 518135b..55e4f71 100644
--- a/platform-operate-api/src/main/java/com/lyms/platform/operate/web/service/impl/PatientWeightServiceImpl.java
+++ b/platform-operate-api/src/main/java/com/lyms/platform/operate/web/service/impl/PatientWeightServiceImpl.java
@@ -344,6 +344,7 @@ public class PatientWeightServiceImpl extends BaseServiceImpl implements Patient
         }
 
         if(StringUtils.isEmpty(patientWeight.getId()) && patients != null) {
+            patientWeight.setId(UUID.randomUUID().toString().replaceAll("-", ""));
             patientWeight.setCreated(new Date());
             patientWeight.setHospitalId(patients.getHospitalId());
             if(StringUtils.isNotBlank(patientWeight.getBeforeWeight()) && patientWeight.getBeforeHeight() != null) {