diff --git a/nn_meter/predictor/prediction/extract_feature.py b/nn_meter/predictor/prediction/extract_feature.py
index 217021ac..68c47401 100644
--- a/nn_meter/predictor/prediction/extract_feature.py
+++ b/nn_meter/predictor/prediction/extract_feature.py
@@ -56,16 +56,17 @@ def get_predict_features(config):
         elif "concat" in op:  # maximum 4 branches
             itensors = item["input_tensors"]
             inputh = itensors[0][1]
-            features = [inputh, len(itensors)]
+            #features = [inputh, len(itensors)]
+            features = [inputh]
             for it in itensors:
-                co = it[-1]
+                co = it[-2]
                 features.append(co)
-            if len(features) < 6:
-                features = features + [0] * (6 - len(features))
-            elif len(features) > 6:
-                nf = features[0:6]
+            if len(features) < 5:
+                features = features + [0] * (5 - len(features))
+            elif len(features) > 5:
+                nf = features[0:5]
                 features = nf
-                features[1] = 6
+                #features[1] = 5
         elif op in ["hswish"]:
             if "inputh" in item:
                 inputh = item["inputh"]