diff --git a/platform-dal/src/main/java/com/lyms/platform/query/PatientsQuery.java b/platform-dal/src/main/java/com/lyms/platform/query/PatientsQuery.java
index cbdcf84..f1f2be0 100644
--- a/platform-dal/src/main/java/com/lyms/platform/query/PatientsQuery.java
+++ b/platform-dal/src/main/java/com/lyms/platform/query/PatientsQuery.java
@@ -744,7 +744,7 @@ public class PatientsQuery extends BaseQuery implements IConvertToNativeQuery {
             condition = condition.and("buildType", buildTypeEq, MongoOper.IS);
         }
 
-        if(buildTypeNot!=null){
+        if(buildTypeNot!=-1){
             condition = condition.and("buildType", buildTypeNot, MongoOper.NE);
         }