diff --git a/debug/accuracy_tools/grad_tool/common/base_comparator.py b/debug/accuracy_tools/grad_tool/common/base_comparator.py
index d3254ae71f9a8fccb8608088462c4733c166814d..7cdb87e44889d83e2680a634cff082b9bd04d9e6 100644
--- a/debug/accuracy_tools/grad_tool/common/base_comparator.py
+++ b/debug/accuracy_tools/grad_tool/common/base_comparator.py
@@ -8,6 +8,9 @@ import matplotlib.pyplot as plt
 
 from grad_tool.common.constant import GradConst
 from grad_tool.common.utils import write_csv, check_file_or_directory_path, print_info_log, create_directory
+from api_accuracy_checker.common.utils import print_error_log
+from ptdbg_ascend.src.python.ptdbg_ascend.common import file_check_util
+from ptdbg_ascend.src.python.ptdbg_ascend.common.file_check_util import FileCheckConst
 
 
 class BaseComparator(ABC):
@@ -85,8 +88,17 @@ class BaseComparator(ABC):
             picture_dir = os.path.join(output_dir, "similarities_picture")
             if not os.path.isdir(picture_dir):
                 create_directory(picture_dir)
-            plt.savefig(os.path.join(picture_dir, f"{key}_similarities.png"))
-            plt.close()
+            file_path= os.path.join(picture_dir, f"{key}_similarities.png")
+            if os.path.exists(file_path):
+                raise ValueError(f"File {file_path} already exists")
+            try:
+                plt.savefig(file_path)
+                plt.close()
+            except Exception as e:
+                error_message = "An unexpected error occurred: %s when savfig to %s" % (str(e), file_path)
+                print_error_log(error_message)
+            full_path = os.path.realpath(file_path)
+            file_check_util.change_mode(full_path, FileCheckConst.DATA_FILE_AUTHORITY)
             head_tuple = tuple(['step'] + [str(step) for step in steps])
             write_csv(os.path.join(output_dir, "similarities.csv"), [[key] + value], head_tuple)
 
diff --git a/debug/accuracy_tools/grad_tool/common/utils.py b/debug/accuracy_tools/grad_tool/common/utils.py
index f40f8688c2458fa17a5dc2db1ac999c9dc9ab878..43b63676e35c175ccabcd490c218dda02f221062 100644
--- a/debug/accuracy_tools/grad_tool/common/utils.py
+++ b/debug/accuracy_tools/grad_tool/common/utils.py
@@ -7,6 +7,7 @@ import yaml
 import pandas as pd
 
 from grad_tool.common.constant import GradConst
+from msprobe.core.common.file_check import FileOpen
 
 
 def _print_log(level, msg, end='\n'):
@@ -114,7 +115,7 @@ class ListCache(list):
 
 
 def get_config(filepath):
-    with open(filepath, 'r') as file:
+    with FileOpen(filepath, 'r') as file:
         config = yaml.safe_load(file)
     return config
 
diff --git a/debug/accuracy_tools/grad_tool/grad_ms/grad_analyzer.py b/debug/accuracy_tools/grad_tool/grad_ms/grad_analyzer.py
index 895b8f2ae68e94fc5e3228566e466a5a597e5ee9..966b8e64108681d3edabfeb6da0f79e74e0b7ea3 100644
--- a/debug/accuracy_tools/grad_tool/grad_ms/grad_analyzer.py
+++ b/debug/accuracy_tools/grad_tool/grad_ms/grad_analyzer.py
@@ -16,6 +16,7 @@ from grad_tool.common.utils import ListCache, print_warn_log
 from grad_tool.common.utils import create_directory, check_file_or_directory_path, write_csv
 from grad_tool.grad_ms.global_context import grad_context
 from grad_tool.grad_ms.global_context import GlobalContext
+from ptdbg_ascend.src.python.ptdbg_ascend.common.file_check_util import FileCheckConst, FileChecker
 
 
 def get_rank_id():
@@ -170,6 +171,8 @@ class CSVGenerator(Process):
         max_try = 10
         while max_try:
             try:
+                file_path_checker = FileChecker(file_path, FileCheckConst.DIR)
+                file_path = file_path_checker.common_check()
                 stat_data = np.load(file_path)
                 return stat_data
             except Exception as err:
@@ -177,7 +180,7 @@ class CSVGenerator(Process):
                 max_try -= 1
                 time.sleep(0.1)
         return stat_data
-
+    
     def gen_csv_line(self, file_path: str, stat_data) -> None:
         shape_dim = int(stat_data[GradConst.SHAPE_DIM_IDX])
         file_name = os.path.basename(file_path)
diff --git a/debug/accuracy_tools/msprobe/pytorch/service.py b/debug/accuracy_tools/msprobe/pytorch/service.py
index daeda8898798559eac970e4163664c08953fc341..18bfad542dde055bf65e65495a0bf6b2c236ddb6 100644
--- a/debug/accuracy_tools/msprobe/pytorch/service.py
+++ b/debug/accuracy_tools/msprobe/pytorch/service.py
@@ -67,7 +67,7 @@ class Service:
             if not self.switch:
                 return
             if self.data_collector:
-                module_input_output = ModuleBackwardInputsOutputs(grad_input=grad_input, grad_output=grad_output)
+                module_input_output = ModuleBackwardInputsOutputs(grad_input=grad_output, grad_output=grad_input)
                 self.data_collector.backward_data_collect(api_or_module_name, module, pid, module_input_output)
 
         pid = os.getpid()