diff --git a/Visual measurement-straight/py/get_data.py b/Visual measurement-straight/py/get_data.py
index 25bf241..da5005f 100644
--- a/Visual measurement-straight/py/get_data.py	
+++ b/Visual measurement-straight/py/get_data.py	
@@ -144,7 +144,7 @@ def get_data(txt_name):
     clean_slope_bot, clean_intercept_bot, clean_r2_bot = calc_slope_line.linear_regression(x_bot_clean, y_bot_clean)
     clean_slope_top, clean_intercept_top, clean_r2_top = calc_slope_line.linear_regression(x_top_clean, y_top_clean)
     print(f"清洗数据后上下沿拟合参数clean_r2_bot = {clean_r2_bot},clean_r2_top = {clean_r2_top}")
-    if ((1-clean_r2_bot) > 1e-3) or ((1-clean_r2_top) > 1e-3):
+    if ((1-clean_r2_bot) > (1-0.98)) or ((1-clean_r2_top) > (1-0.98)):
         print("无效数据")
         return 0, None, None, None, None
     return 1, x_bot_clean, y_bot_clean, x_top_clean, y_top_clean