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 6e1a3cc..4305e50 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
@@ -114,6 +114,10 @@ public class TrackDownQueryRequest extends BasePageQueryRequest {
     }
 
     public void setCheckOverDaysEnd(Integer checkOverDaysEnd) {
+        if (checkOverDaysStart == null)
+        {
+            checkOverDaysStart = 1;
+        }
         this.checkOverDaysEnd = checkOverDaysEnd;
     }
 
@@ -130,6 +134,10 @@ public class TrackDownQueryRequest extends BasePageQueryRequest {
     }
 
     public void setBeOverdueDaysEnd(Integer beOverdueDaysEnd) {
+        if (beOverdueDaysStart == null)
+        {
+            beOverdueDaysStart = 1;
+        }
         this.beOverdueDaysEnd = beOverdueDaysEnd;
     }