diff --git a/config/prototype_raft.json b/config/prototype_raft.json
index bbc0619..80883ee 100644
--- a/config/prototype_raft.json
+++ b/config/prototype_raft.json
@@ -31,8 +31,8 @@
   },
   "contact": {
     "min_contour_area": 3000,
-    "flow_threshold":1,
-    "div_threshold":0.02,
+    "flow_threshold":1.5,
+    "div_threshold":0.08,
     "expansion_threshold": 0.01,
     "kernel_size": [5,5],
     "denoise_sigma": 15
diff --git a/promote_video.py b/promote_video.py
index d918246..5344d5a 100644
--- a/promote_video.py
+++ b/promote_video.py
@@ -55,17 +55,20 @@ def create_plot():
     p1 = win.addPlot(title="N")
     # p1.titleLabel.item.setFont(title_font)
     p1.getAxis('left').setStyle(showValues=show_values)
+    p1.getAxis('bottom').setStyle(showValues=show_values)
     p1.showGrid(x=True, y=True, alpha=0.3)
     win.nextRow()
     p2 = win.addPlot(title="X")
     # p2.titleLabel.item.setFont(title_font)
     p2.getAxis('left').setStyle(showValues=show_values)
+    p2.getAxis('bottom').setStyle(showValues=show_values)
     p2.showGrid(x=True, y=True, alpha=0.3)
     win.nextRow()
     p3 = win.addPlot(title="Y")
     # p3.titleLabel.item.setFont(title_font)
     p3.getAxis('left').setStyle(showValues=show_values)
-    p3.setLabel('bottom', 'Time', units='s')
+    p3.getAxis('bottom').setStyle(showValues=show_values)
+    # p3.setLabel('bottom', 'Time', units='s')
     # p3.getAxis('bottom').label.setFont(axis_font)
     p3.showGrid(x=True, y=True, alpha=0.3)
     plot_af = p1.plot(pen=line_pen, fillLevel=0, fillBrush=grad_brush)
@@ -133,7 +136,7 @@ def draw_magnitude_map(vfield, threshold=3.0, colormap=cv2.COLORMAP_JET) -> np.n
 
 
 
-npoints = 400  # 图表数据长度
+npoints = 100  # 图表数据长度
 plot_threshold = 0  # only plot force values above this (below → 0)
 pg.setConfigOption('background', bg_color_hex)
 pg.setConfigOption('foreground', bg_color_hex)
@@ -167,7 +170,8 @@ def main():
     frame_count = 0
     writer = None
     while True:
-        img = sensor1.get_img() # 提取并拼接复眼图像      
+        sensor1.get_img() # 提取并拼接复眼图像  
+        img = sensor1.img    
         if img is None:
             break;  
 
@@ -185,7 +189,7 @@ def main():
         # 显示向量场
         # Background color #24292E (BGR)
         black_img = np.full_like(sensor1.img, bg_color)
-        arrows  = orisys.util.draw_arrows(black_img, flow, threshold=1, grid_spacing=20, arrow_scale=0.5, colormap=cv2.COLORMAP_PARULA, below_threshold_color=text_color) 
+        arrows  = orisys.util.draw_arrows(black_img, flow, threshold=2, grid_spacing=20, arrow_scale=0.5, colormap=cv2.COLORMAP_PARULA, below_threshold_color=text_color) 
         cv2.imshow("Deformation", arrows)
 
         # 显示深度图