diff --git a/fuintBackend/fuint-application/src/main/java/com/fuint/business/fleet/service/FleetInfoService.java b/fuintBackend/fuint-application/src/main/java/com/fuint/business/fleet/service/FleetInfoService.java
index 9cc5a0b99..fced3df7c 100644
--- a/fuintBackend/fuint-application/src/main/java/com/fuint/business/fleet/service/FleetInfoService.java
+++ b/fuintBackend/fuint-application/src/main/java/com/fuint/business/fleet/service/FleetInfoService.java
@@ -105,4 +105,11 @@ public interface FleetInfoService {
      * @param orderId
      */
     int payFleet(String orderId, Double money);
+
+    /**
+     * 车队卡退款
+     * @param orderId
+     * @return
+     */
+    int refundFleet(String orderId);
 }
diff --git a/fuintBackend/fuint-application/src/main/java/com/fuint/business/fleet/service/impl/FleetInfoServiceImpl.java b/fuintBackend/fuint-application/src/main/java/com/fuint/business/fleet/service/impl/FleetInfoServiceImpl.java
index 583bcf42e..133659b35 100644
--- a/fuintBackend/fuint-application/src/main/java/com/fuint/business/fleet/service/impl/FleetInfoServiceImpl.java
+++ b/fuintBackend/fuint-application/src/main/java/com/fuint/business/fleet/service/impl/FleetInfoServiceImpl.java
@@ -464,6 +464,43 @@ public class FleetInfoServiceImpl extends ServiceImpl<FleetInfoMapper, FleetInfo
         return fleetConsumeRecordMapper.updateById(fleetConsumeRecord);
     }
 
+    /**
+     * 车队卡退款
+     *
+     * @param orderId
+     * @return
+     */
+    @Override
+    public int refundFleet(String orderId) {
+        //通过订单id查询订单信息
+        AllOrderInfo allOrderInfo = allOrderInfoMapper.selectOne(new LambdaQueryWrapper<AllOrderInfo>()
+                .eq(AllOrderInfo::getId, orderId));
+        if (ObjectUtil.isEmpty(allOrderInfo)) {
+            throw new RuntimeException("订单不存在");
+        }
+        FleetConsumeRecord fleetConsumeRecord = fleetConsumeRecordMapper.selectOne(new LambdaQueryWrapper<FleetConsumeRecord>()
+                .eq(FleetConsumeRecord::getOrderNo, allOrderInfo.getOrderNo()));
+        if (ObjectUtil.isEmpty(fleetConsumeRecord)) {
+            throw new RuntimeException("车队订单不存在");
+        }
+        if ("paid".equals(fleetConsumeRecord.getOrderStatus())) {
+            //退款金额
+            Double refundMoney = fleetConsumeRecord.getNetReceiptsAmount();
+            //获取当前车队卡
+            FleetInfo fleetInfo = baseMapper.selectOne(new LambdaQueryWrapper<FleetInfo>()
+                    .eq(FleetInfo::getId, fleetConsumeRecord.getFleetId()));
+            //计算赠送金额与充值金额比例
+            double recharge = fleetInfo.getRechargeAmount() / fleetInfo.getTotalBalance();
+            double give = fleetInfo.getGiveAmount() / fleetInfo.getTotalBalance();
+            fleetInfo.setTotalBalance(fleetInfo.getTotalBalance() + refundMoney);
+            fleetInfo.setRechargeAmount(fleetInfo.getRechargeAmount() + (refundMoney * recharge));
+            fleetInfo.setGiveAmount(fleetInfo.getGiveAmount() + (refundMoney * give));
+            //将退款金额修改回去
+            baseMapper.updateById(fleetInfo);
+        }
+        return 0;
+    }
+
 
     /**
      * 创建用户的基础信息