diff --git a/ruoyi-fastapi-backend/module_admin/service/warehouse_receipt_service.py b/ruoyi-fastapi-backend/module_admin/service/warehouse_receipt_service.py
index f784baf..b41225b 100644
--- a/ruoyi-fastapi-backend/module_admin/service/warehouse_receipt_service.py
+++ b/ruoyi-fastapi-backend/module_admin/service/warehouse_receipt_service.py
@@ -170,11 +170,11 @@ class WarehouseReceiptService:
                 # 处理前端传来的样品
                 submitted_sample_ids = set()
                 for sample_data in receipt_model.samples:
-                    sample_dict = sample_data.model_dump(exclude_unset=True)
+                    sample_dict = sample_data.model_dump(exclude_unset=True, by_alias=True)
                     
                     # 如果有sample_id，说明是更新现有样品
-                    if 'sample_id' in sample_dict and sample_dict['sample_id']:
-                        sample_id = sample_dict['sample_id']
+                    if 'sampleId' in sample_dict and sample_dict['sampleId']:
+                        sample_id = sample_dict['sampleId']
                         submitted_sample_ids.add(sample_id)
                         # 更新样品
                         from module_admin.entity.vo.warehouse_sample_vo import EditWarehouseSampleModel
@@ -183,8 +183,9 @@ class WarehouseReceiptService:
                         edit_sample.update_by = receipt_model.update_by
                         await WarehouseSampleDao.edit_sample(db, edit_sample)
                     else:
-                        # 新增样品
-                        sample = WarehouseSample(**sample_dict)
+                        # 新增样品 - 转换为snake_case用于创建DO对象
+                        sample_dict_snake = sample_data.model_dump(exclude_unset=True)
+                        sample = WarehouseSample(**sample_dict_snake)
                         sample.receipt_id = receipt_model.receipt_id
                         sample.receipt_no = receipt_model.receipt_no or receipt.receipt_no
                         sample.create_by = receipt_model.update_by