diff --git a/firstleg/src/main/java/com/baiyue/firstleg/sailingcalendar/mapper/SailingCalendarDisplayMapper.java b/firstleg/src/main/java/com/baiyue/firstleg/sailingcalendar/mapper/SailingCalendarDisplayMapper.java
index 3d8479253..e626982e1 100644
--- a/firstleg/src/main/java/com/baiyue/firstleg/sailingcalendar/mapper/SailingCalendarDisplayMapper.java
+++ b/firstleg/src/main/java/com/baiyue/firstleg/sailingcalendar/mapper/SailingCalendarDisplayMapper.java
@@ -13,6 +13,7 @@ import java.time.LocalDateTime;
 public interface SailingCalendarDisplayMapper {
     // 显式关联优先；无显式关联才按运输信息匹配。每条订舱只对应一个有效船期，
     // 已确认货物允许保留在已截仓但尚未过期的船期，不能因为截仓就再次建议订柜。
+    // 跨表文本按字段完整长度转换为连接字符集，避免表间排序规则冲突，同时保留完整运输快照。
     String BOOKING_TARGETS = """
         SELECT b.id AS booking_id, (
           SELECT s.id FROM fl_sailing s
@@ -24,11 +25,13 @@ public interface SailingCalendarDisplayMapper {
                OR (
                  NOT EXISTS (SELECT 1 FROM fl_sailing_booking_link link
                               WHERE link.ocean_booking_id = b.id AND link.link_status = 'ACTIVE')
-                 AND b.warehouse_id = s.warehouse_id AND b.channel_code = s.channel_code_snapshot
-                 AND b.departure_port_code = s.departure_port_code
-                 AND b.destination_port_code = s.destination_port_code
+                 AND b.warehouse_id = s.warehouse_id
+                 AND CAST(b.channel_code AS CHAR(64)) = CAST(s.channel_code_snapshot AS CHAR(64))
+                 AND CAST(b.departure_port_code AS CHAR(32)) = CAST(s.departure_port_code AS CHAR(32))
+                 AND CAST(b.destination_port_code AS CHAR(32)) = CAST(s.destination_port_code AS CHAR(32))
                  AND b.vessel_name IS NOT NULL AND b.voyage_no IS NOT NULL
-                 AND b.vessel_name = s.vessel_name AND b.voyage_no = s.voyage_no
+                 AND CAST(b.vessel_name AS CHAR(128)) = CAST(s.vessel_name AS CHAR(128))
+                 AND CAST(b.voyage_no AS CHAR(64)) = CAST(s.voyage_no AS CHAR(64))
                  AND (b.estimated_sailing_at IS NULL OR DATE(b.estimated_sailing_at) = DATE(s.etd_at))
                )
              )
@@ -99,7 +102,7 @@ public interface SailingCalendarDisplayMapper {
         """)
     BookingSummary bookingSummary(@Param("sailingId") long sailingId, @Param("todayStart") LocalDateTime todayStart);
 
-    /** 按审核实测重算普通箱分配，再区分已离仓、有效订舱占用和未安排余量，保持体积守恒。 */
+    /** 按审核实测重算分配，跨表渠道统一文本排序规则后归入唯一船期，保持待发体积守恒。 */
     @Select("""
         SELECT COALESCE(SUM(CASE WHEN receipt_at <= #{cutoffAt} THEN volume_cbm ELSE 0 END), 0) AS catchableCbm,
                COALESCE(SUM(CASE WHEN receipt_at > #{cutoffAt} THEN volume_cbm ELSE 0 END), 0) AS lateCbm,
@@ -109,7 +112,7 @@ public interface SailingCalendarDisplayMapper {
                    COALESCE(allocated.current_cbm, 0) + CASE WHEN #{sailingId} = (
                      SELECT next_sailing.id FROM fl_sailing next_sailing
                       WHERE next_sailing.warehouse_id = o.warehouse_id
-                        AND next_sailing.channel_code_snapshot = o.channel_code
+                        AND CAST(next_sailing.channel_code_snapshot AS CHAR(64)) = CAST(o.channel_code AS CHAR(64))
                         AND next_sailing.status = 'OPEN'
                         AND next_sailing.etd_at >= #{todayStart}
                         AND next_sailing.warehouse_cutoff_at >= #{asOf}
diff --git a/firstleg/src/test/java/com/baiyue/firstleg/sailingcalendar/mapper/SailingCalendarDisplayMapperTest.java b/firstleg/src/test/java/com/baiyue/firstleg/sailingcalendar/mapper/SailingCalendarDisplayMapperTest.java
index 3409cf9cc..c36bd38b2 100644
--- a/firstleg/src/test/java/com/baiyue/firstleg/sailingcalendar/mapper/SailingCalendarDisplayMapperTest.java
+++ b/firstleg/src/test/java/com/baiyue/firstleg/sailingcalendar/mapper/SailingCalendarDisplayMapperTest.java
@@ -288,6 +288,31 @@ class SailingCalendarDisplayMapperTest {
         assertThat(mapper.bookingSummary(3, LocalDateTime.parse("2026-10-27T00:00:00")).containerCount()).isZero();
     }
 
+    /** 跨表文本转换必须保留完整编码与中文船名，不能将同前缀的运输信息视为同一船期。 */
+    @ParameterizedTest
+    @CsvSource({"channel_code,MATSON-OTHER", "departure_port_code,CNSHA", "destination_port_code,USLAX",
+        "vessel_name,远洋轮乙", "voyage_no,VOYAGE-OTHER"})
+    void matchesCompleteTransportSnapshotsAfterTextConversion(String column, String differentValue) {
+        booking(1, 1, "68");
+        jdbc.update("UPDATE fl_sailing_booking_link SET link_status='REVOKED'");
+        jdbc.update("UPDATE fl_sailing SET vessel_name='远洋轮甲' WHERE id=1");
+        jdbc.update("UPDATE fl_ocean_booking SET vessel_name='远洋轮甲',voyage_no='VOYAGE-1',estimated_sailing_at='2026-10-28 10:00:00'");
+        var today = LocalDateTime.parse("2026-10-27T00:00:00");
+        assertThat(mapper.bookingSummary(1, today).containerCount()).isEqualTo(1);
+        jdbc.update("UPDATE fl_ocean_booking SET " + column + "=?", differentValue);
+        session.clearCache();
+        assertThat(mapper.bookingSummary(1, today).containerCount()).isZero();
+    }
+
+    /** 顺延按完整渠道编码匹配，排除只有前缀相同的更早船期。 */
+    @Test
+    void rollsCargoOnlyToTheCompleteChannelCode() {
+        inbound(1, "68", "WAIT_SPLIT", "NOT_SPLIT");
+        jdbc.update("UPDATE fl_sailing SET channel_code_snapshot='MATSON-OTHER' WHERE id=1");
+        assertThat(summary(1, "2026-10-27T12:00:00").catchableCbm()).isZero();
+        assertThat(summary(2, "2026-10-27T12:00:00").catchableCbm()).isEqualByComparingTo("68");
+    }
+
     /** 人工跨仓、跨渠道排柜已有正式订舱时，应跟随真实安排展示。 */
     @Test
     void preservesCrossWarehouseAndChannelAssignments() {