diff --git a/.gitignore b/.gitignore
index 8a91539..2f60662 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,6 +5,8 @@
 logs/
 *.log
 temp/
+.claude/
+.vscode/
 
 !README.md
 
diff --git a/app/models/checkpoint.py b/app/models/checkpoint.py
index 1ba5669..2f46492 100644
--- a/app/models/checkpoint.py
+++ b/app/models/checkpoint.py
@@ -7,5 +7,6 @@ class Checkpoint(Base):
     id = Column(Integer, primary_key=True, index=True, autoincrement=True)
     aname = Column(String(100), nullable=False, comment="观察点名称")
     burial_date = Column(String(100), comment="埋设日期")
+    linecode = Column(String(100), comment="线路编码")
     section_id = Column(String(100), nullable=False, comment="所属断面id")
     point_id = Column(String(100), nullable=False, comment="观察点id")
\ No newline at end of file
diff --git a/app/schemas/comprehensive_data.py b/app/schemas/comprehensive_data.py
index eb44f5d..b4ad2bd 100644
--- a/app/schemas/comprehensive_data.py
+++ b/app/schemas/comprehensive_data.py
@@ -50,6 +50,7 @@ class CheckpointDataImportRequest(BaseModel):
     aname: Optional[str] = None
     section_id: str
     burial_date: Optional[str] = None
+    linecode: Optional[str] = None
 
 # 断面数据导入请求
 class SectionDataImportRequest(BaseModel):
diff --git a/app/services/checkpoint.py b/app/services/checkpoint.py
index 9773b57..548fdea 100644
--- a/app/services/checkpoint.py
+++ b/app/services/checkpoint.py
@@ -71,6 +71,7 @@ class CheckpointService(BaseService[Checkpoint]):
                             checkpoint.aname = item_data.get('aname')
                             checkpoint.section_id = item_data.get('section_id')
                             checkpoint.burial_date = item_data.get('burial_date')
+                            checkpoint.linecode = item_data.get('linecode')
                             logger.info(f"Updated checkpoint: {item_data.get('point_id')}")
                         else:
                             # 新增操作
@@ -78,7 +79,8 @@ class CheckpointService(BaseService[Checkpoint]):
                                 point_id=item_data.get('point_id'),
                                 aname=item_data.get('aname'),
                                 section_id=item_data.get('section_id'),
-                                burial_date=item_data.get('burial_date')
+                                burial_date=item_data.get('burial_date'),
+                                linecode=item_data.get('linecode')
                             )
                             db.add(checkpoint)
                             logger.info(f"Created checkpoint: {item_data.get('point_id')}")
diff --git a/app/services/section_data.py b/app/services/section_data.py
index e167313..a3f5bdd 100644
--- a/app/services/section_data.py
+++ b/app/services/section_data.py
@@ -86,7 +86,8 @@ class SectionDataService(BaseService[SectionData]):
                         "point_id": cp.point_id,
                         "aname": cp.aname,
                         "burial_date": cp.burial_date,
-                        "section_id": cp.section_id
+                        "section_id": cp.section_id,
+                        "linecode": cp.linecode
                     } for cp in checkpoints
                 ]
             }