diff --git a/py/measure_lib.py b/py/measure_lib.py
index 518204f..038922b 100644
--- a/py/measure_lib.py
+++ b/py/measure_lib.py
@@ -183,14 +183,13 @@ def vs_measurement(txt_name,position):
         y_bot = np.array(y_bot)
         x_top = np.array(x_top)
         y_top = np.array(y_top)
+
+    # 拟合路沿上下直线方程
+        slope_bot, intercept_bot, r2_bot = calc_slope_line.linear_regression(x_bot, y_bot)
+        slope_top, intercept_top, r2_top = calc_slope_line.linear_regression(x_top,y_top)
     except Exception as e:
         print(f"处理过程中发生错误: {e}")
         return 1,1,1,1
-
-    # 拟合路沿上下直线方程
-    slope_bot, intercept_bot, r2_bot = calc_slope_line.linear_regression(x_bot, y_bot)
-    slope_top, intercept_top, r2_top = calc_slope_line.linear_regression(x_top,y_top)
-
     # 拟合车轮垂线方程
     # x_zero_xto0, y_zero_xto0 = calc_way.calc_zeros_xto0()
     # x_zero_xto0 = np.array(x_zero_xto0)