diff --git a/blade-service/blade-transport/src/test/java/org/springblade/transport/service/impl/DriverSyncMobileTest.java b/blade-service/blade-transport/src/test/java/org/springblade/transport/service/impl/DriverSyncMobileTest.java
index 35568abb..16b484b9 100644
--- a/blade-service/blade-transport/src/test/java/org/springblade/transport/service/impl/DriverSyncMobileTest.java
+++ b/blade-service/blade-transport/src/test/java/org/springblade/transport/service/impl/DriverSyncMobileTest.java
@@ -105,6 +105,17 @@ class DriverSyncMobileTest {
 		verify(driverMapper, never()).updateById(any(Driver.class));
 	}
 
+	@Test
+	@DisplayName("改号链路不持有运单/配载服务：换号只改档案，不回写单据上的手机号快照")
+	void phoneSyncDoesNotDependOnWaybillServices() {
+		for (Field field : DriverServiceImpl.class.getDeclaredFields()) {
+			String typeName = field.getType().getSimpleName();
+			assertFalse(typeName.contains("Waybill") || typeName.contains("LoadingManage"),
+				"改号链路引入了 " + typeName + "：换号不得顺手回写运单/配载单的司机快照，"
+					+ "否则司机档案与历史单据的归属会一起漂移");
+		}
+	}
+
 	@Test
 	@DisplayName("档案 mobile 与账号旧号不一致：不动档案，返回可读原因（不抛异常）")
 	void skipsWhenProfileMobileDiffersFromOldPhone() {