diff --git a/app/services/checkpoint.py b/app/services/checkpoint.py
index ce86c5d..88de154 100644
--- a/app/services/checkpoint.py
+++ b/app/services/checkpoint.py
@@ -53,6 +53,14 @@ class CheckpointService(BaseService[Checkpoint]):
 
                 for item_data in data:
                     try:
+
+                        # 判断断面id是否存在
+                        section = self.get_by_section_id(db, item_data.get('section_id'))
+                        if not section:
+                            logger.error(f"Section {item_data.get('section_id')} not found")
+                            raise Exception(f"Section {item_data.get('section_id')} not found")
+
+
                         checkpoint = self.get_by_point_id(db, item_data.get('point_id'))
                         if checkpoint:
                             # 更新操作