diff --git a/README.md b/README.md
index 7728c2c..d9017e1 100644
--- a/README.md
+++ b/README.md
@@ -1423,7 +1423,7 @@ model = AutoModel.from_pretrained('openbmb/MiniCPM-V-2_6', trust_remote_code=Tru
 model = model.eval().cuda()
 tokenizer = AutoTokenizer.from_pretrained('openbmb/MiniCPM-V-2_6', trust_remote_code=True)
 
-MAX_NUM_FRAMES=64
+MAX_NUM_FRAMES=64 # if cuda OOM set a smaller number
 
 def encode_video(video_path):
     def uniform_sample(l, n):
@@ -1449,6 +1449,7 @@ msgs = [
 ]
 
 # Set decode params for video
+params = {}
 params["use_image_id"] = False
 params["max_slice_nums"] = 2 # use 1 if cuda OOM and video resolution > 448*448