diff --git a/x2paddle/op_mapper/onnx2paddle/opset9/opset.py b/x2paddle/op_mapper/onnx2paddle/opset9/opset.py
index abb725be034075f9c74098a871138fc26ab85630..1d0770a5225ffcb402ee0453215111007b415a60 100755
--- a/x2paddle/op_mapper/onnx2paddle/opset9/opset.py
+++ b/x2paddle/op_mapper/onnx2paddle/opset9/opset.py
@@ -2586,6 +2586,7 @@ class OpSet9():
         k = _const_weight_or_none(val_k)
         if isinstance(k, (list, tuple, np.ndarray)):
             k = k[0]
+        # If k can get the value directly, it is used as an attribute; otherwise it is used as an input tensor
         if k is not None:
             layer_attrs["k"] = k
             self.paddle_graph.add_layer(