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 3c3eb5b..e6613f1 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
@@ -139,6 +139,17 @@ public class TrackDownController extends BaseController {
     @TokenRequired
     @RequestMapping(method = RequestMethod.GET)
     public BaseResponse list(TrackDownQueryRequest downQueryRequest, HttpServletRequest request) {
+
+        if (downQueryRequest.getBeOverdueDaysEnd() != null && downQueryRequest.getBeOverdueDaysStart() == null)
+        {
+            downQueryRequest.setBeOverdueDaysStart(1);
+        }
+
+        if (downQueryRequest.getCheckOverDaysEnd() != null && downQueryRequest.getCheckOverDaysStart() == null)
+        {
+            downQueryRequest.setCheckOverDaysStart(1);
+        }
+
         return downFacade.list(downQueryRequest, getUserId(request));
     }
 
diff --git a/platform-operate-api/src/main/java/com/lyms/platform/operate/web/request/TrackDownQueryRequest.java b/platform-operate-api/src/main/java/com/lyms/platform/operate/web/request/TrackDownQueryRequest.java
index 4305e50..6e1a3cc 100644
--- a/platform-operate-api/src/main/java/com/lyms/platform/operate/web/request/TrackDownQueryRequest.java
+++ b/platform-operate-api/src/main/java/com/lyms/platform/operate/web/request/TrackDownQueryRequest.java
@@ -114,10 +114,6 @@ public class TrackDownQueryRequest extends BasePageQueryRequest {
     }
 
     public void setCheckOverDaysEnd(Integer checkOverDaysEnd) {
-        if (checkOverDaysStart == null)
-        {
-            checkOverDaysStart = 1;
-        }
         this.checkOverDaysEnd = checkOverDaysEnd;
     }
 
@@ -134,10 +130,6 @@ public class TrackDownQueryRequest extends BasePageQueryRequest {
     }
 
     public void setBeOverdueDaysEnd(Integer beOverdueDaysEnd) {
-        if (beOverdueDaysStart == null)
-        {
-            beOverdueDaysStart = 1;
-        }
         this.beOverdueDaysEnd = beOverdueDaysEnd;
     }