diff --git a/src/main/java/com/gaotao/modules/pallet/service/impl/PalletServiceImpl.java b/src/main/java/com/gaotao/modules/pallet/service/impl/PalletServiceImpl.java
index 4b018f3..5e54b38 100644
--- a/src/main/java/com/gaotao/modules/pallet/service/impl/PalletServiceImpl.java
+++ b/src/main/java/com/gaotao/modules/pallet/service/impl/PalletServiceImpl.java
@@ -9,9 +9,8 @@ import com.gaotao.modules.pallet.service.PalletService;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 
-import javax.servlet.http.HttpServletResponse;
-import java.net.URLEncoder;
 import java.util.List;
+import java.util.stream.Collectors;
 
 @Service
 public class PalletServiceImpl extends ServiceImpl<PalletMapper, Pallet> implements PalletService {
@@ -22,6 +21,10 @@ public class PalletServiceImpl extends ServiceImpl<PalletMapper, Pallet> impleme
         if (pallets.isEmpty()){
             return;
         }
+        List<String> list = pallets.stream().map(Pallet::getPalletNo).collect(Collectors.toList());
+        lambdaUpdate()
+                .in(Pallet::getPalletNo,list)
+                .remove();
         int i = baseMapper.saveBatch(pallets);
     }
 }