diff --git a/ruoyi-oa/src/main/java/com/ruoyi/oa/service/impl/OaDeliveryOrderDetailServiceImpl.java b/ruoyi-oa/src/main/java/com/ruoyi/oa/service/impl/OaDeliveryOrderDetailServiceImpl.java
index ea7fb3d..67bb3f6 100644
--- a/ruoyi-oa/src/main/java/com/ruoyi/oa/service/impl/OaDeliveryOrderDetailServiceImpl.java
+++ b/ruoyi-oa/src/main/java/com/ruoyi/oa/service/impl/OaDeliveryOrderDetailServiceImpl.java
@@ -131,12 +131,19 @@ public class OaDeliveryOrderDetailServiceImpl implements IOaDeliveryOrderDetailS
 
     @Override
     public List<OaDeliveryOrderDetailVo> queryListByProjectId(Long projectId) {
+        if (projectId == null) {
+            return Collections.emptyList();
+        }
         //拿到projectId下的所有orderId
         LambdaQueryWrapper<OaDeliveryOrder> wrapper = Wrappers.lambdaQuery();
         wrapper.eq(OaDeliveryOrder::getProjectId, projectId);
         List<OaDeliveryOrder> orderList = oaDeliveryOrderMapper.selectList(wrapper);
         //然后根据orderId拿到所有的detail
         List<Long> orderIdList = orderList.stream().map(OaDeliveryOrder::getOrderId).collect(Collectors.toList());
+        // 如果orderIdList为空，则直接返回空列表，避免SQL语法错误
+        if (orderIdList.isEmpty()) {
+            return Collections.emptyList();
+        }
         return baseMapper.selectVoListByOrderIds(orderIdList);
     }
 }
diff --git a/ruoyi-oa/src/main/java/com/ruoyi/oa/service/impl/OaProcessCardDetailServiceImpl.java b/ruoyi-oa/src/main/java/com/ruoyi/oa/service/impl/OaProcessCardDetailServiceImpl.java
index 31488fd..cc180d6 100644
--- a/ruoyi-oa/src/main/java/com/ruoyi/oa/service/impl/OaProcessCardDetailServiceImpl.java
+++ b/ruoyi-oa/src/main/java/com/ruoyi/oa/service/impl/OaProcessCardDetailServiceImpl.java
@@ -17,6 +17,7 @@ import com.ruoyi.oa.domain.OaProcessCardDetail;
 import com.ruoyi.oa.mapper.OaProcessCardDetailMapper;
 import com.ruoyi.oa.service.IOaProcessCardDetailService;
 
+import java.util.ArrayList;
 import java.util.List;
 import java.util.Map;
 import java.util.Collection;
@@ -127,11 +128,18 @@ public class OaProcessCardDetailServiceImpl implements IOaProcessCardDetailServi
     @Override
     public List<OaProcessCardDetailVo> queryListByProjectId(Long projectId) {
         //拿到projectId下的所有cardId
+        if (projectId == null) {
+            return new ArrayList<>();
+        }
         LambdaQueryWrapper<OaProcessCard> wrapper = Wrappers.lambdaQuery();
         wrapper.eq(OaProcessCard::getProjectId, projectId);
         List<OaProcessCard> cardList = oaProcessCardMapper.selectList(wrapper);
         //然后根据cardId拿到所有的detail
         List<Long> cardIdList = cardList.stream().map(OaProcessCard::getCardId).collect(Collectors.toList());
+        //如果cardIdList为空，则直接返回空列表
+        if (cardIdList.isEmpty()) {
+            return new ArrayList<>();
+        }
         return baseMapper.selectVoListByCardIds(cardIdList);
     }
 }