diff --git a/dem.py b/dem.py
index 673dcec..19a636f 100644
--- a/dem.py
+++ b/dem.py
@@ -100,7 +100,7 @@ class Dem:
                 dxfattribs={"color": 5},
             )  # 蓝色
             # 树的线
-            # TODO 没有考虑用最高边线的情况
+            # 考虑用最高边线的情况
             if self._tree_height > 0:
                 dm_msp.add_polyline2d(
                     [
@@ -217,10 +217,6 @@ class Dem:
             Xpixel = (Xgeo[i] - gt[0]) / gt[1]
             Yline = (Ygeo[i] - gt[3]) / gt[5]
             # 寻找左上，左下，右上，右下4个点
-            # lu_xy = np.array([math.floor(Xpixel), math.floor(Yline)])  # 左上
-            # ld_xy = np.array([math.floor(Xpixel), math.ceil(Yline)])  # 左下
-            # ru_xy = np.array([math.ceil(Xpixel), math.floor(Yline)])  # 右上
-            # rd_xy = np.array([math.ceil(Xpixel), math.ceil(Yline)])  # 右下
             lu_xy = np.array([math.floor(Xpixel), math.ceil(Yline)])  # 左上
             ld_xy = np.array([math.floor(Xpixel), math.floor(Yline)])  # 左下
             ru_xy = np.array([math.ceil(Xpixel), math.ceil(Yline)])  # 右上
@@ -237,37 +233,7 @@ class Dem:
             rd_elevation = gdal_data.ReadAsArray(
                 int(rd_xy[0]), int(rd_xy[1]), 1, 1
             ).astype(float)
-            # delta_x = (Xpixel - ld_xy[0]) / 1  # 距离是1
-            # delta_y = (ld_xy[1]-Yline) / 1
-            # site_ele[i] = (
-            #     ld_elevation
-            #     + (lu_elevation - ld_elevation) * delta_y
-            #     + (rd_elevation - ld_elevation) * delta_x
-            #     + (ld_elevation - lu_elevation + ru_elevation - rd_elevation)
-            #     * delta_x
-            #     * delta_y
-            # )
-
-            # 通过空间平面方程拟合Z值 参考《数字高程模型教程》 汤国安，李发源，刘学军编著 p89
-            # equation_a = np.array(
-            #     [
-            #         [lu_xy[0], lu_xy[0] * lu_xy[1], lu_xy[1], 1],
-            #         [ld_xy[0], ld_xy[0] * ld_xy[1], ld_xy[1], 1],
-            #         [ru_xy[0], ru_xy[0] * ru_xy[1], ru_xy[1], 1],
-            #         [rd_xy[0], rd_xy[0] * rd_xy[1], rd_xy[1], 1],
-            #     ]
-            # )
-            # equation_b = np.array(
-            #     [lu_elevation[0], ld_elevation[0], ru_elevation[0], rd_elevation[0]]
-            # )
-            # equation_c = np.linalg.solve(equation_a, equation_b)
-            # point_z = (
-            #     Xpixel * equation_c[0]
-            #     + equation_c[1] * Xpixel * Yline
-            #     + equation_c[2] * Yline
-            #     + equation_c[3]
-            # )
-            # 已经https://blog.csdn.net/jameschen9051/article/details/109469228中的公司
+            # 依据https://blog.csdn.net/jameschen9051/article/details/109469228中的公司
             point_z = (
                 lu_elevation[0]
                 * (
diff --git a/main_dem.py b/main_dem.py
deleted file mode 100644
index b3c035e..0000000
--- a/main_dem.py
+++ /dev/null
@@ -1,13 +0,0 @@
-import sys
-from dem import Dem
-from loguru import logger
-if __name__ == "__main__":
-    if len(sys.argv) < 2:
-        toml_file_path = r"db_JS.toml"
-    else:
-        toml_file_path = sys.argv[1]
-    logger.info(f'读取配置文件{toml_file_path}')
-    dem = Dem(toml_file_path)
-    dem.get_dem_info(if_print=True)
-    dem.write_dxf()
-    print("Finished.")