diff --git a/platform-dal/src/main/java/com/lyms/platform/query/BabyModelQuery.java b/platform-dal/src/main/java/com/lyms/platform/query/BabyModelQuery.java
index 0d59084..5fb0a18 100644
--- a/platform-dal/src/main/java/com/lyms/platform/query/BabyModelQuery.java
+++ b/platform-dal/src/main/java/com/lyms/platform/query/BabyModelQuery.java
@@ -272,7 +272,7 @@ public class BabyModelQuery extends BaseQuery implements IConvertToNativeQuery {
             condition = condition.and("visitstatus", visitstatus, MongoOper.IS);
         }
         if (null != id) {
-            condition = condition.and("id", new ObjectId(id), MongoOper.IS);
+            condition = condition.and("id", id, MongoOper.IS);
         }
         if (-1 != yn) {
             condition = condition.and("yn", yn, MongoOper.IS);