diff --git a/blade-service/blade-transport/src/main/java/org/springblade/transport/service/impl/CertAuditServiceImpl.java b/blade-service/blade-transport/src/main/java/org/springblade/transport/service/impl/CertAuditServiceImpl.java
index 89d0b0e6..d1bedbb3 100644
--- a/blade-service/blade-transport/src/main/java/org/springblade/transport/service/impl/CertAuditServiceImpl.java
+++ b/blade-service/blade-transport/src/main/java/org/springblade/transport/service/impl/CertAuditServiceImpl.java
@@ -213,6 +213,10 @@ public class CertAuditServiceImpl implements ICertAuditService {
 		driver.setId(record.getBizId());
 		driver.setCertificationStatus(status);
 		driver.setCertificationRejectReason(reason);
+		// 必须带上 driving_vehicle 原值：该列是 FieldStrategy.ALWAYS，
+		// 更新时忽略 null 直接写，patch 里不带它就会把司机的车辆绑定清成 NULL，
+		// 而车辆列表正是按这一列匹配的（清空即「暂无绑定车辆」）。
+		copyDrivingVehicle(record.getBizId(), driver);
 		if (pass) {
 			driver.setEffectiveCertRecordId(newEffectiveId);
 			// 通过即生效：与车辆侧同理，把这次快照的证件内容一并写回司机档案。
@@ -224,6 +228,24 @@ public class CertAuditServiceImpl implements ICertAuditService {
 		driverService.updateById(driver);
 	}
 
+	/**
+	 * 把司机当前的车辆绑定原值搬进 patch，避免被 ALWAYS 更新策略清空
+	 * <p>
+	 * {@code driving_vehicle} 上标了 {@code FieldStrategy.ALWAYS}，任何一次
+	 * {@code updateById} 都会把该列写成 patch 里的值（null 也照写）。
+	 * 而司机端的车辆列表是按这一列的车牌匹配出来的，一旦被清空，
+	 * 页面就变成「暂无绑定车辆」，且无法从界面上恢复。
+	 *
+	 * @param driverId 司机主键
+	 * @param patch    待更新的司机 patch（就地写入原值）
+	 */
+	private void copyDrivingVehicle(Long driverId, Driver patch) {
+		Driver current = driverService.getById(driverId);
+		if (current != null) {
+			patch.setDrivingVehicle(current.getDrivingVehicle());
+		}
+	}
+
 	/**
 	 * 把生效快照里的司机证件字段搬进司机档案（就地写入同一个 patch 对象）
 	 * <p>
diff --git a/blade-service/blade-transport/src/main/java/org/springblade/transport/service/impl/DriverCertServiceImpl.java b/blade-service/blade-transport/src/main/java/org/springblade/transport/service/impl/DriverCertServiceImpl.java
index 524e81d4..7246529d 100644
--- a/blade-service/blade-transport/src/main/java/org/springblade/transport/service/impl/DriverCertServiceImpl.java
+++ b/blade-service/blade-transport/src/main/java/org/springblade/transport/service/impl/DriverCertServiceImpl.java
@@ -368,6 +368,13 @@ public class DriverCertServiceImpl implements IDriverCertService {
 		patch.setId(driverId);
 		patch.setCertificationStatus(status);
 		patch.setCertificationRejectReason(rejectReason);
+		// 必须带上 driving_vehicle 原值：该列标了 FieldStrategy.ALWAYS，
+		// 更新时忽略 null 直接写，patch 里不带它就会把司机的车辆绑定清成 NULL，
+		// 而司机端的车辆列表正是按这一列的车牌匹配出来的（清空即「暂无绑定车辆」）。
+		Driver current = driverService.getById(driverId);
+		if (current != null) {
+			patch.setDrivingVehicle(current.getDrivingVehicle());
+		}
 		driverService.updateById(patch);
 	}
 
diff --git a/blade-service/blade-transport/src/test/java/org/springblade/transport/service/impl/CertAuditServiceImplTest.java b/blade-service/blade-transport/src/test/java/org/springblade/transport/service/impl/CertAuditServiceImplTest.java
index 352aef64..ae268991 100644
--- a/blade-service/blade-transport/src/test/java/org/springblade/transport/service/impl/CertAuditServiceImplTest.java
+++ b/blade-service/blade-transport/src/test/java/org/springblade/transport/service/impl/CertAuditServiceImplTest.java
@@ -155,6 +155,25 @@ class CertAuditServiceImplTest {
 		assertEquals(RECORD_ID, captor.getValue().getEffectiveCertRecordId());
 	}
 
+	@Test
+	@DisplayName("通过司机认证：patch 必须带上车辆绑定，不得把 driving_vehicle 清空")
+	void approveDriverKeepsDrivingVehicle() {
+		TransportCertRecord record = driverRecord(TransportCertRecord.STATUS_PENDING);
+		when(certRecordService.getById(RECORD_ID)).thenReturn(record);
+		Driver existing = driver(null);
+		existing.setDrivingVehicle("桂A12345,桂B67890");
+		when(driverService.getById(DRIVER_ID)).thenReturn(existing);
+
+		service.audit(RECORD_ID, true, null);
+
+		ArgumentCaptor<Driver> captor = ArgumentCaptor.forClass(Driver.class);
+		verify(driverService).updateById(captor.capture());
+		// driving_vehicle 标了 FieldStrategy.ALWAYS，patch 里为 null 就会把该列写成 NULL；
+		// 而司机端车辆列表正是按这一列匹配的，清空即「暂无绑定车辆」且界面上无法恢复
+		assertEquals("桂A12345,桂B67890", captor.getValue().getDrivingVehicle(),
+			"审核通过不得把司机的车辆绑定清空");
+	}
+
 	// ------------------------------------------------------------ 驳回
 
 	@Test