Update app.py

app.py

@@ -65,13 +65,13 @@ def overlay_mask(img, mask):
         mask_rgb = mask_resized
         
     # 归一化处理
-    return cv2.addWeighted(
+    return (cv2.addWeighted(
         img.astype(np.float32)/255, 
         0.7,
         mask_rgb.astype(np.float32)/255,
         0.3,
         0
-    ).astype(np.uint8)
+    )*255).astype(np.uint8)
 
 def create_mode2_interface():
     with gr.Blocks() as mode2: