diff --git a/firstleg/src/main/java/com/baiyue/firstleg/terminaldrayage/mapper/ContainerCalendarSourceMapper.java b/firstleg/src/main/java/com/baiyue/firstleg/terminaldrayage/mapper/ContainerCalendarSourceMapper.java
index 85317d783..43c9ef26c 100644
--- a/firstleg/src/main/java/com/baiyue/firstleg/terminaldrayage/mapper/ContainerCalendarSourceMapper.java
+++ b/firstleg/src/main/java/com/baiyue/firstleg/terminaldrayage/mapper/ContainerCalendarSourceMapper.java
@@ -9,11 +9,12 @@ import java.util.List;
 
 @Mapper
 public interface ContainerCalendarSourceMapper {
-    /** 按明确来源柜读取与预约日历相同的到港事实，实际到港优先。 */
+    /** 按明确来源柜读取到港事实；目的港优先显示名称，未填名称时显示已保存代码。 */
     @Select("""
         <script>
         SELECT c.id containerBookingId,c.cabinet_no cabinetNo,c.container_no containerNo,
-          c.vessel_name vesselName,c.voyage_no voyageNo,c.destination_port_name destinationPortName,
+          c.vessel_name vesselName,c.voyage_no voyageNo,
+          COALESCE(NULLIF(TRIM(c.destination_port_name),''),NULLIF(TRIM(c.destination_port_code),'')) destinationPortName,
           c.destination_warehouse_code destinationWarehouseCode,
           COALESCE(n.actual_at,c.actual_port_arrival_at,c.estimated_port_arrival_at) arrivalAt,
           CASE WHEN COALESCE(n.actual_at,c.actual_port_arrival_at) IS NOT NULL THEN 'ACTUAL' ELSE 'ESTIMATED' END arrivalType
@@ -28,10 +29,11 @@ public interface ContainerCalendarSourceMapper {
         """)
     List<ContainerCalendarSource> byIds(@Param("ids") List<Long> ids);
 
-    /** 同时选出到港、缺日期和可能还柜的有效出仓柜，最终日期由业务服务复核。 */
+    /** 选出到港、缺日期和可能还柜的有效出仓柜；目的港名称为空时展示代码，最终日期由服务复核。 */
     @Select("""
         SELECT c.id containerBookingId,c.cabinet_no cabinetNo,c.container_no containerNo,
-          c.vessel_name vesselName,c.voyage_no voyageNo,c.destination_port_name destinationPortName,
+          c.vessel_name vesselName,c.voyage_no voyageNo,
+          COALESCE(NULLIF(TRIM(c.destination_port_name),''),NULLIF(TRIM(c.destination_port_code),'')) destinationPortName,
           c.destination_warehouse_code destinationWarehouseCode,
           COALESCE(n.actual_at,c.actual_port_arrival_at,c.estimated_port_arrival_at) arrivalAt,
           CASE WHEN COALESCE(n.actual_at,c.actual_port_arrival_at) IS NOT NULL THEN 'ACTUAL' ELSE 'ESTIMATED' END arrivalType
diff --git a/firstleg/src/main/resources/openapi/appointment-calendar-sources-v1.yaml b/firstleg/src/main/resources/openapi/appointment-calendar-sources-v1.yaml
index 2faa734e9..878568d98 100644
--- a/firstleg/src/main/resources/openapi/appointment-calendar-sources-v1.yaml
+++ b/firstleg/src/main/resources/openapi/appointment-calendar-sources-v1.yaml
@@ -40,7 +40,7 @@ paths:
                             containerNo: {type: string, nullable: true}
                             vesselName: {type: string, nullable: true}
                             voyageNo: {type: string, nullable: true}
-                            destinationPortName: {type: string, nullable: true}
+                            destinationPortName: {type: string, nullable: true, description: 目的港展示值，优先名称，名称为空时使用已保存的港口代码，两者均为空时返回null}
                             destinationWarehouseCode: {type: string, nullable: true}
                             arrivalAt: {type: string, format: date-time, nullable: true}
                             arrivalType: {type: string, enum: [ACTUAL, ESTIMATED]}
diff --git a/firstleg/src/test/java/com/baiyue/firstleg/terminaldrayage/mapper/ContainerCalendarSourceMapperTest.java b/firstleg/src/test/java/com/baiyue/firstleg/terminaldrayage/mapper/ContainerCalendarSourceMapperTest.java
index 7649869ee..72d72e0d7 100644
--- a/firstleg/src/test/java/com/baiyue/firstleg/terminaldrayage/mapper/ContainerCalendarSourceMapperTest.java
+++ b/firstleg/src/test/java/com/baiyue/firstleg/terminaldrayage/mapper/ContainerCalendarSourceMapperTest.java
@@ -11,6 +11,41 @@ import java.time.LocalDateTime;
 import static org.junit.jupiter.api.Assertions.*;
 
 class ContainerCalendarSourceMapperTest {
+    /** 两个日历来源入口均优先展示港口名称，仅填代码时仍可回显，缺失时保持空值。 */
+    @Test
+    void displaysDestinationNameOrSavedCodeAcrossBothEntrypoints() throws Exception {
+        var ds = new JdbcDataSource();
+        ds.setURL("jdbc:h2:mem:calendar-port-display;MODE=MySQL;DB_CLOSE_DELAY=-1");
+        try (var connection = ds.getConnection(); var sql = connection.createStatement()) {
+            sql.execute("CREATE TABLE fl_container_booking(id BIGINT,cabinet_no VARCHAR,container_no VARCHAR," +
+                "vessel_name VARCHAR,voyage_no VARCHAR,destination_port_name VARCHAR,destination_port_code VARCHAR,destination_warehouse_code VARCHAR," +
+                "actual_port_arrival_at TIMESTAMP,estimated_port_arrival_at TIMESTAMP,unloading_completed_at TIMESTAMP,record_status VARCHAR)");
+            sql.execute("CREATE TABLE fl_terminal_drayage(container_booking_id BIGINT,actual_empty_return_at TIMESTAMP)");
+            sql.execute("CREATE TABLE fl_carrier_schedule_node_fact(id BIGINT,container_booking_id BIGINT,standard_node VARCHAR,actual_at TIMESTAMP,observed_at TIMESTAMP)");
+            sql.execute("CREATE TABLE fl_direct_delivery_unloading(container_booking_id BIGINT,actual_at TIMESTAMP)");
+            sql.execute("CREATE TABLE fl_outbound_dispatch(container_booking_id BIGINT,confirmed_at TIMESTAMP,reversed_at TIMESTAMP,status VARCHAR)");
+            sql.execute("INSERT INTO fl_container_booking(id,destination_port_name,destination_port_code,record_status) VALUES " +
+                "(1,'洛杉矶','USLAX','ACTIVE'),(2,NULL,'USLAX','ACTIVE'),(3,'   ','USLAX','ACTIVE')," +
+                "(4,'洛杉矶',NULL,'ACTIVE'),(5,'','   ','ACTIVE')");
+            sql.execute("INSERT INTO fl_outbound_dispatch SELECT id,'2026-10-01 00:00:00',NULL,'WAITING_FOR_LOADING' FROM fl_container_booking");
+        }
+        var config = new MybatisConfiguration();
+        config.setEnvironment(new Environment("test", new JdbcTransactionFactory(), ds));
+        config.addMapper(ContainerCalendarSourceMapper.class);
+        try (var session = new MybatisSqlSessionFactoryBuilder().build(config).openSession()) {
+            var mapper = session.getMapper(ContainerCalendarSourceMapper.class);
+            var from = LocalDateTime.parse("2026-10-01T00:00:00");
+            var calendar = mapper.sources(from, from.minusDays(2), from.minusDays(4), from.plusMonths(1));
+            var explicit = mapper.byIds(java.util.List.of(1L, 2L, 3L, 4L, 5L));
+            var expected = java.util.Arrays.asList("洛杉矶", "USLAX", "USLAX", "洛杉矶", null);
+            assertEquals(expected, calendar.stream().map(row -> row.destinationPortName()).toList());
+            for (var row : explicit) {
+                assertEquals(expected.get(row.containerBookingId().intValue() - 1), row.destinationPortName());
+            }
+            assertEquals(5, explicit.size());
+        }
+    }
+
     /** 后续观测可将实际到港修正为更早日期，两入口须取同一条最新实际记录。 */
     @Test
     void usesLatestObservedArrivalIncludingSameObservationIdTieBreakAcrossBothEntrypoints() throws Exception {
@@ -18,7 +53,7 @@ class ContainerCalendarSourceMapperTest {
         ds.setURL("jdbc:h2:mem:arrival-source-correction;MODE=MySQL;DB_CLOSE_DELAY=-1");
         try (var connection = ds.getConnection(); var sql = connection.createStatement()) {
             sql.execute("CREATE TABLE fl_container_booking(id BIGINT PRIMARY KEY,cabinet_no VARCHAR,container_no VARCHAR," +
-                "vessel_name VARCHAR,voyage_no VARCHAR,destination_port_name VARCHAR,destination_warehouse_code VARCHAR," +
+                "vessel_name VARCHAR,voyage_no VARCHAR,destination_port_name VARCHAR,destination_port_code VARCHAR,destination_warehouse_code VARCHAR," +
                 "actual_port_arrival_at TIMESTAMP,estimated_port_arrival_at TIMESTAMP,unloading_completed_at TIMESTAMP,record_status VARCHAR)");
             sql.execute("CREATE TABLE fl_terminal_drayage(container_booking_id BIGINT,actual_empty_return_at TIMESTAMP)");
             sql.execute("CREATE TABLE fl_carrier_schedule_query(id BIGINT,version INT,status VARCHAR)");
@@ -65,7 +100,7 @@ class ContainerCalendarSourceMapperTest {
         ds.setURL("jdbc:h2:mem:four-type-calendar;MODE=MySQL;DB_CLOSE_DELAY=-1");
         try (var connection = ds.getConnection(); var sql = connection.createStatement()) {
             sql.execute("CREATE TABLE fl_container_booking(id BIGINT,cabinet_no VARCHAR,container_no VARCHAR," +
-                "vessel_name VARCHAR,voyage_no VARCHAR,destination_port_name VARCHAR,destination_warehouse_code VARCHAR," +
+                "vessel_name VARCHAR,voyage_no VARCHAR,destination_port_name VARCHAR,destination_port_code VARCHAR,destination_warehouse_code VARCHAR," +
                 "actual_port_arrival_at TIMESTAMP,estimated_port_arrival_at TIMESTAMP,unloading_completed_at TIMESTAMP,record_status VARCHAR)");
             sql.execute("CREATE TABLE fl_terminal_drayage(container_booking_id BIGINT,actual_empty_return_at TIMESTAMP)");
             sql.execute("CREATE TABLE fl_carrier_schedule_node_fact(id BIGINT,container_booking_id BIGINT,standard_node VARCHAR,actual_at TIMESTAMP,observed_at TIMESTAMP)");