diff --git a/debug/accuracy_tools/api_accuracy_checker/compare/algorithm.py b/debug/accuracy_tools/api_accuracy_checker/compare/algorithm.py
index aa564a6e8e9019ee390be5599a59eb15fd9f2564..cca521a296d136a95038b6f452ea3f4a01341909 100644
--- a/debug/accuracy_tools/api_accuracy_checker/compare/algorithm.py
+++ b/debug/accuracy_tools/api_accuracy_checker/compare/algorithm.py
@@ -165,7 +165,7 @@ def compare_core(bench_out, npu_out, alg):
         copy_npu_out = npu_out.detach().clone()
         bench_dtype = str(copy_bench_out.dtype)
         npu_dtype = str(copy_npu_out.dtype)
-        shape = list(npu_out.shape)
+        shape = tuple(npu_out.shape)
         if copy_npu_out.dtype == torch.bfloat16:
             copy_bench_out = copy_bench_out.to(torch.float32)
             copy_npu_out = copy_npu_out.to(torch.float32)
diff --git a/debug/accuracy_tools/api_accuracy_checker/run_ut/run_ut.py b/debug/accuracy_tools/api_accuracy_checker/run_ut/run_ut.py
index 034586cc1d29064eebc9c3cd09534caf46287b01..4cc27880c791ba069c4ef7ca06a062dc618d49f3 100644
--- a/debug/accuracy_tools/api_accuracy_checker/run_ut/run_ut.py
+++ b/debug/accuracy_tools/api_accuracy_checker/run_ut/run_ut.py
@@ -143,7 +143,7 @@ def run_torch_api(api_full_name, api_setting_dict, backward_content, api_info_di
     args, kwargs, need_grad = get_api_info(api_info_dict, api_name)
     in_fwd_data_list.append(args)
     in_fwd_data_list.append(kwargs)
-    need_backward = api_full_name in backward_content and api_name[-1] != "_"
+    need_backward = api_full_name in backward_content
     need_backward = need_backward and need_grad
     if not need_grad:
         print_warn_log("%s involves in-place operations, skip backward" % api_full_name)
@@ -173,7 +173,7 @@ def get_api_info(api_info_dict, api_name):
     need_grad = True
     if api_info_dict.get("kwargs") and "out" in api_info_dict.get("kwargs"):
         need_grad = False
-    if api_name[-1] == "_" or api_name in NO_GRAD_APIS:
+    if api_name in NO_GRAD_APIS:
         need_grad = False
     args, kwargs = gen_api_params(api_info_dict, need_grad, convert_type)
     return args, kwargs, need_grad