diff --git a/app.yaml b/app.yaml
index a9728e9..d15c02d 100644
--- a/app.yaml
+++ b/app.yaml
@@ -1,6 +1,6 @@
 id: t11
 name: t11
-version: 1.0.2
+version: 1.0.3
 author: t11
 icon: ''
 desc: t11
diff --git a/main.py b/main.py
index 583d63e..a78c449 100644
--- a/main.py
+++ b/main.py
@@ -154,8 +154,8 @@ LASER_OFF_CMD = bytes([0xAA, MODULE_ADDR, 0x01, 0xBE, 0x00, 0x01, 0x00, 0x00, 0x
 
 # 相机标定参数（用于距离估算）
 # FOCAL_LENGTH_PIX = 3800.0    # 焦距（像素）
-FOCAL_LENGTH_PIX = 1900.0    # 焦距（像素）
-REAL_RADIUS_CM = 15          # 靶心实际半径（厘米）
+FOCAL_LENGTH_PIX = 2200.0  # 焦距（像素）
+REAL_RADIUS_CM = 15  # 靶心实际半径（厘米）
 
 # TCP 连接状态
 tcp_connected = False
@@ -684,7 +684,10 @@ def detect_circle(frame):
         circularity = 4 * np.pi * area / (perimeter ** 2)
         if circularity > 0.75 and len(cnt) >= 5:
             center, axes, angle = cv2.fitEllipse(cnt)
-            radius = (axes[0] + axes[1]) / 4
+            radius = axes[0]
+            if axes[1] < radius:
+                radius = axes[1]
+            radius /= 2
             best_center = (int(center[0]), int(center[1]))
             best_radius = int(radius)
             best_radius1 = best_radius
@@ -1348,7 +1351,7 @@ def cmd_str():
 
     # 初始化硬件
     init_ina226()
-    load_laser_point()
+    # load_laser_point()
     disp = display.Display()
     cam = camera.Camera(640, 480)