diff --git a/lastleg-service/src/main/java/com/baiyue/lastleg/inboundplan/pda/service/ReceivingContainerService.java b/lastleg-service/src/main/java/com/baiyue/lastleg/inboundplan/pda/service/ReceivingContainerService.java
index 505888d79..be2b064ac 100644
--- a/lastleg-service/src/main/java/com/baiyue/lastleg/inboundplan/pda/service/ReceivingContainerService.java
+++ b/lastleg-service/src/main/java/com/baiyue/lastleg/inboundplan/pda/service/ReceivingContainerService.java
@@ -116,6 +116,10 @@ public class ReceivingContainerService {
             .filter(ContainerReadiness::shippingReady)
             .filter(value -> !value.allPlansCompleted())
             .filter(value -> !reservedByOthers.contains(activeContainerKey(value.containerNo())))
+            .sorted(Comparator.comparing(ContainerReadiness::operable).reversed()
+                .thenComparing(ContainerReadiness::plannedArrivalAt,
+                    Comparator.nullsLast(Comparator.naturalOrder()))
+                .thenComparing(ContainerReadiness::sourceContainerBookingId))
             .map(value -> candidate(value, current)).toList();
     }
 
diff --git a/lastleg-service/src/test/java/com/baiyue/lastleg/inboundplan/pda/service/ReceivingContainerServiceBehaviorTest.java b/lastleg-service/src/test/java/com/baiyue/lastleg/inboundplan/pda/service/ReceivingContainerServiceBehaviorTest.java
index 97764f18f..5ecf4d213 100644
--- a/lastleg-service/src/test/java/com/baiyue/lastleg/inboundplan/pda/service/ReceivingContainerServiceBehaviorTest.java
+++ b/lastleg-service/src/test/java/com/baiyue/lastleg/inboundplan/pda/service/ReceivingContainerServiceBehaviorTest.java
@@ -34,6 +34,7 @@ import org.mockito.junit.jupiter.MockitoExtension;
 import org.springframework.test.util.ReflectionTestUtils;
 import org.springframework.web.server.ResponseStatusException;
 
+import java.time.LocalDateTime;
 import java.util.List;
 
 import static org.assertj.core.api.Assertions.assertThat;
@@ -154,6 +155,30 @@ class ReceivingContainerServiceBehaviorTest {
         assertThat(service.candidates("7", 100L)).isEmpty();
     }
 
+    @Test
+    void candidatesPutOperableContainersFirstThenOrderByPlannedArrival() {
+        InboundPlan latePlan = plan("CONT-LATE");
+        InboundPlan earlyPlan = plan("CONT-EARLY"); earlyPlan.setId(3L);
+        InboundPlan nullArrivalPlan = plan("CONT-NULL"); nullArrivalPlan.setId(4L);
+        InboundPlan blockedPlan = plan("CONT-BLOCKED"); blockedPlan.setId(5L);
+        InboundPlanLine lateLine = line("FBA"); lateLine.setOrderId(2L);
+        InboundPlanLine earlyLine = line("FBA"); earlyLine.setId(11L); earlyLine.setOrderId(3L); earlyLine.setPlanId(3L);
+        InboundPlanLine nullArrivalLine = line("FBA"); nullArrivalLine.setId(12L); nullArrivalLine.setOrderId(4L); nullArrivalLine.setPlanId(4L);
+        LastlegOrder blocked = containerOrder(1L, "100", "CONT-BLOCKED", "BOOKING-A", "IN-1");
+        LastlegOrder late = containerOrder(2L, "100", "CONT-LATE", "BOOKING-B", "IN-2");
+        LastlegOrder early = containerOrder(3L, "100", "CONT-EARLY", "BOOKING-C", "IN-3");
+        LastlegOrder nullArrival = containerOrder(4L, "100", "CONT-NULL", "BOOKING-D", "IN-4");
+        blocked.setEstimatedWarehouseAt(LocalDateTime.of(2026, 9, 1, 8, 0));
+        late.setEstimatedWarehouseAt(LocalDateTime.of(2026, 9, 3, 8, 0));
+        early.setEstimatedWarehouseAt(LocalDateTime.of(2026, 9, 2, 8, 0));
+        when(plans.selectList(any())).thenReturn(List.of(latePlan, earlyPlan, nullArrivalPlan, blockedPlan));
+        when(lines.selectList(any())).thenReturn(List.of(lateLine, earlyLine, nullArrivalLine));
+        when(orders.selectList(any())).thenReturn(List.of(blocked, late, early, nullArrival));
+
+        assertThat(service.candidates("7", 100L)).extracting("containerNo")
+            .containsExactly("CONT-EARLY", "CONT-LATE", "CONT-NULL", "CONT-BLOCKED");
+    }
+
     @Test
     void candidatesIncludeUnassignedAndSameWarehouseButHideOtherWarehouse() {
         InboundPlan unassigned = plan("CONT-A");