diff --git a/src/main/java/com/chint/domain/service/LegDomainService.java b/src/main/java/com/chint/domain/service/LegDomainService.java
index 61c44b5e..146d77a0 100644
--- a/src/main/java/com/chint/domain/service/LegDomainService.java
+++ b/src/main/java/com/chint/domain/service/LegDomainService.java
@@ -17,6 +17,7 @@ import static com.chint.infrastructure.constant.LegConstant.*;
 import static com.chint.infrastructure.constant.OrderConstant.*;
 import static com.chint.infrastructure.constant.RouteConstant.APPROVAL_EVENT_PREPARE;
 import static com.chint.infrastructure.constant.RouteConstant.ORDER_STATUS_PREPARE;
+import static com.chint.infrastructure.constant.RouteRequestConstant.ROUTE_REQUEST_STATUS_SYNC;
 
 @Service
 public class LegDomainService {
@@ -158,6 +159,16 @@ public class LegDomainService {
         if (supplierName.equals("CTrip")) {
             legItems = legItems.stream().filter(it -> !it.getLegType().equals(LEG_TYPE_TRAIN)).toList();
         }
+
+        List<Long> alreadySyncLegIds = routeOrder.getRouteRequestList()
+                .stream()
+                .filter(it -> it.reloadStatus().getStatus().equals(ROUTE_REQUEST_STATUS_SYNC))
+                .flatMap(it -> it.getRouteRequestLegList().stream().map(RouteRequestLeg::getLegId))
+                .toList();
+
+        legItems = legItems.stream()
+                .filter(it -> !alreadySyncLegIds.contains(it.getLegId()))
+                .toList();
         return legItems;
     }
 }