diff --git a/tf_adapter/ops/aicpu/npu_cpu_ops.cc b/tf_adapter/ops/aicpu/npu_cpu_ops.cc
index 912dfdb45d92713fdd6854ac01943a8578a09735..7dfcc72b3ae43816ec0b7c77d5ff157fd8ee968d 100644
--- a/tf_adapter/ops/aicpu/npu_cpu_ops.cc
+++ b/tf_adapter/ops/aicpu/npu_cpu_ops.cc
@@ -242,7 +242,7 @@ REGISTER_OP("InitEmbeddingHashmap")
   .Attr("seed2: int = 0")
   .Attr("filter_mode: string = 'no_filter' ")
   .Attr("optimizer_mode: string = '' ")
-  .Attr("optimizer_params: list(float)")
+  .Attr("optimizer_params: list(float) = [0.1]")
   .SetShapeFn(shape_inference::NoOutputs);
 
 REGISTER_OP("EmbeddingTableImport")
@@ -307,7 +307,7 @@ REGISTER_OP("EmbeddingTableFindAndInit")
   .Attr("default_key: int = 0")
   .Attr("default_value: float = 0")
   .Attr("optimizer_mode: string = '' ")
-  .Attr("optimizer_params: list(float)")
+  .Attr("optimizer_params: list(float) = [0.1]")
   .SetShapeFn([](shape_inference::InferenceContext *c) {
     ShapeHandle keys_shape;
     TF_RETURN_IF_ERROR(c->WithRank(c->input(1), 1, &keys_shape));