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 7800319..ad9091d 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
@@ -931,11 +931,23 @@ public class BabyModelQuery extends BaseQuery implements IConvertToNativeQuery {
             }
         }
 
-
         if (null != babyWeightStart) {
-            c = Criteria.where("babyWeight").gte(babyWeightStart);
+            if (null != c) {
+                c = c.and("babyWeight").gte(babyWeightStart);
+            } else {
+                c = Criteria.where("babyWeight").gte(babyWeightStart);
+            }
+        }
+
+        if (null != babyWeightEnd) {
+            if (null != c) {
+                c = c.lte(babyWeightEnd);
+            } else {
+                c = Criteria.where("babyWeight").lte(babyWeightEnd);
+            }
         }
 
+
         if (null != buildDateStart) {
             if (null != c) {
                 c = c.and("buildDate").gte(buildDateStart);