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 58de6df..ceccb25 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
@@ -289,6 +289,7 @@ public class PatientWeightServiceImpl extends BaseServiceImpl implements Patient
                 weights.put(DateUtil.getWeek(patients.getLastMenses(), new Date()), nowWeight);
             }
             pw.setWeights(weights);
+            pw.setBmi(getBmi(patientWeight.getNowWeight(), pw.getBeforeHeight()));
             Update update = MongoConvertHelper.convertToNativeUpdate(ReflectionUtils.getUpdateField(pw));
             mongoTemplate.updateFirst(Query.query(Criteria.where("id").is(pw.getId())), update, PatientWeight.class);
             return RespBuilder.buildSuccess(pw.getId());