diff --git a/app/api/comprehensive_data.py b/app/api/comprehensive_data.py
index c431eeb..c7938bc 100644
--- a/app/api/comprehensive_data.py
+++ b/app/api/comprehensive_data.py
@@ -478,7 +478,7 @@ def get_settlement_by_linecode(
             code=ResponseCode.SUCCESS,
             message=f"查询成功，共获取{len(result['settlement_data'])}条沉降数据",
             total=len(result_1d),
-            data=result_1d
+            data=settlement_data
         )
 
     except Exception as e:
diff --git a/app/services/settlement_data.py b/app/services/settlement_data.py
index b880a6c..633c5fb 100644
--- a/app/services/settlement_data.py
+++ b/app/services/settlement_data.py
@@ -604,7 +604,7 @@ class SettlementDataService(BaseService[SettlementData]):
         self, 
         db: Session, 
         linecode: str, 
-        num: int = 1  # 控制返回的期数，默认1（最新一期）
+        num: int = 1000  # 控制返回的期数，默认1（最新一期）
     ) -> Dict:
         """
         根据水准线路编码(linecode)查询对应沉降数据，支持按期数筛选