无对应进出场申请时，写日志运单列表空指针问题修复

@@ -463,7 +463,9 @@ public class LiftBar {
         command.setInGrossWeight(inWt);
         command.setGoodsWeight(goodsWt);
         command.setActualGoodsWeight(diffVal);
-        command.setMasterList(Arrays.toString(toStrArry(list_infos)));
+        if(list_infos.size()>1){
+            command.setMasterList(Arrays.toString(toStrArry(list_infos)));
+        }
         logic.commandLogService.insert(command);
     }
     /**