diff --git a/dem.py b/dem.py
index 2ca8bc8..de8d81e 100644
--- a/dem.py
+++ b/dem.py
@@ -58,7 +58,7 @@ class Dem:
         toml_dict = self._toml_dict
         out_dxf_file_dir = toml_dict["parameter"]["out_dxf_file_dir"]
         # 写整个断面
-        dm_whole_doc = ezdxf.new(dxfversion="R2004")
+        dm_whole_doc = ezdxf.new(dxfversion="R2010")
         dm_whole_accumulative_distance = 0  # 累加里程
         dm_whole_msp = dm_whole_doc.modelspace()
         for foo in range(len(excel_pfs) - 1):
@@ -74,7 +74,7 @@ class Dem:
             left_elevation = self.get_elevation(line_coordination[:, 0:2])
             center_elevation = self.get_elevation(line_coordination[:, 2:4])
             right_elevation = self.get_elevation(line_coordination[:, 4:6])
-            dm_doc = ezdxf.new(dxfversion="R2004")
+            dm_doc = ezdxf.new(dxfversion="R2010")
             # 设置线形
             # for name, desc, pattern in linetypes():
             #     if name not in dm_doc.linetypes:
@@ -93,6 +93,8 @@ class Dem:
                 (x_axis[i] / 5 / zoom_factor, left_elevation[i] * 2 / zoom_factor)
                 for i in range(len(left_elevation))
             ]
+            # dm_whole_msp.add_polyline2d([[0,0],[100,100]])
+            # dm_doc.saveas('f.dxf')
             dm_whole_msp.add_polyline2d(
                 np.array(left_line)
                 + np.hstack(