评价：数据获取bug2

src/main/java/com/uas/platform/b2c/trade/rate/service/impl/RateServiceImpl.java

@@ -16,7 +16,9 @@ import com.uas.platform.b2c.trade.rate.model.RateVendor;
 import com.uas.platform.b2c.trade.rate.service.RateService;
 import com.uas.platform.core.exception.IllegalOperatorException;
 import com.uas.platform.core.model.Status;
+import org.apache.kafka.common.metrics.stats.Rate;
 import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.data.mongodb.core.index.Index;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 
@@ -189,17 +191,35 @@ public class RateServiceImpl implements RateService{
 
     @Override
     public RateBuyer getRateBuyerByOrderId(String orderId) {
-        return rateBuyerDao.findByOrderId(orderId).get(0);
+        RateBuyer rateBuyer ;
+        try {
+            rateBuyer = rateBuyerDao.findByOrderId(orderId).get(0);
+        }catch (IndexOutOfBoundsException e){
+            return null;
+        }
+        return rateBuyer;
     }
 
     @Override
     public RateVendor getRateVendorByOrderId(String orderId) {
-        return rateVendorDao.findByOrderId(orderId).get(0);
+        RateVendor rateVendor;
+        try {
+            rateVendor = rateVendorDao.findByOrderId(orderId).get(0);
+        }catch (IndexOutOfBoundsException e){
+            return null;
+        }
+        return rateVendor;
     }
 
     @Override
     public RateGoods getRateGoodsByGoodsId(Long goodsId) {
-        return rateGoodsDao.findByGoodsId(goodsId).get(0);
+        RateGoods rateGoods;
+        try {
+            rateGoods = rateGoodsDao.findByGoodsId(goodsId).get(0);
+        }catch (IndexOutOfBoundsException e){
+            return null;
+        }
+        return rateGoods;
     }
 
     @Override