diff --git a/pure_test.py b/pure_test.py
index de50b5c..7c6271d 100644
--- a/pure_test.py
+++ b/pure_test.py
@@ -163,7 +163,7 @@ def pure_pursuit_control(state, cx, cy, pind):
     if  len(TX_TY)>20:
         Lfc=Lfc*curvature*0.5
         # Lfc=round(Lfc)
-    if curvature<0.05:
+    if curvature<0.07:
         Lfc=0.4558
     if Lfc==0:
         Lfc=1
@@ -336,7 +336,7 @@ def main():
           -28.984, -29.007, -29.039, -29.063, -29.097, -29.129, -29.158, -29.18, -29.206, -29.227, -29.251, -29.28,
           -29.304, -29.328, -29.346, -29.369, -29.384, -29.409, -29.426, -29.458, -29.479, -29.499]
 
-    target_speed = 5/ 3.6  # [m/s]
+    target_speed = 3/ 3.6  # [m/s]
     T = 500.0  # 最大模拟时间
     # 设置车辆的出事状态
     yaw=math.radians(450-(347+180-360))