diff --git a/platform-operate-api/src/main/java/com/lyms/platform/operate/web/controller/TrackDownController.java b/platform-operate-api/src/main/java/com/lyms/platform/operate/web/controller/TrackDownController.java
index e6613f1..3f9d304 100644
--- a/platform-operate-api/src/main/java/com/lyms/platform/operate/web/controller/TrackDownController.java
+++ b/platform-operate-api/src/main/java/com/lyms/platform/operate/web/controller/TrackDownController.java
@@ -140,12 +140,12 @@ public class TrackDownController extends BaseController {
     @RequestMapping(method = RequestMethod.GET)
     public BaseResponse list(TrackDownQueryRequest downQueryRequest, HttpServletRequest request) {
 
-        if (downQueryRequest.getBeOverdueDaysEnd() != null && downQueryRequest.getBeOverdueDaysStart() == null)
+        if ((downQueryRequest.getBeOverdueDaysEnd() != null && downQueryRequest.getBeOverdueDaysStart() == null) || (downQueryRequest.getBeOverdueDaysEnd() == null && downQueryRequest.getBeOverdueDaysStart() == null))
         {
             downQueryRequest.setBeOverdueDaysStart(1);
         }
 
-        if (downQueryRequest.getCheckOverDaysEnd() != null && downQueryRequest.getCheckOverDaysStart() == null)
+        if ((downQueryRequest.getCheckOverDaysEnd() != null && downQueryRequest.getCheckOverDaysStart() == null) || (downQueryRequest.getCheckOverDaysEnd() == null && downQueryRequest.getCheckOverDaysStart() == null))
         {
             downQueryRequest.setCheckOverDaysStart(1);
         }