diff --git a/testTs/config.py b/testTs/config.py
index d15970083919289f444abb126e201c35900178fe..c051991bf01c6d6b64580fe8353fe0c2b727f82a 100644
--- a/testTs/config.py
+++ b/testTs/config.py
@@ -1,3 +1,23 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+
+"""
+Copyright (c) 2022 Huawei Device Co., Ltd.
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+
+Description: Use ark to execute test 262 test suite
+"""
+
 import os
 import json
 TS_GIT_PATH = 'https://gitee.com/zhangrengao1/TypeScript.git'
@@ -26,7 +46,7 @@ EXPECT_PATH = os.sep.join([".", "testTs", "expect"])
 TS_EXT = ".ts"
 TXT_EXT = ".txt"
 ABC_EXT = ".abc"
-f = open(IMPORT_FILE_PATH,'r')
-content = f.read()
-f.close()
-IMPORT_TEST = json.loads(content)
\ No newline at end of file
+IMPORT_TEST = ""
+with open(IMPORT_FILE_PATH,'r') as f:
+    content = f.read()
+    IMPORT_TEST = json.loads(content)
\ No newline at end of file
diff --git a/testTs/run_testTs.py b/testTs/run_testTs.py
index 1e21b9ed5bbaad255a119757f7d45a479e1aabf9..c4552087bb7cf02bce7e6363b639396cab403771 100644
--- a/testTs/run_testTs.py
+++ b/testTs/run_testTs.py
@@ -1,3 +1,23 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+
+"""
+Copyright (c) 2022 Huawei Device Co., Ltd.
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+
+Description: Use ark to execute test 262 test suite
+"""
+
 import os
 import subprocess
 import argparse
@@ -22,21 +42,20 @@ def parse_args():
 
 
 def skip(filepath,flag = False):
-    f = open(SKIP_FILE_PATH,'r')
-    content = f.read()
-    f.close()
-    test_list = []
-    import_list =[]
-    skip_test = json.loads(content)
-    skip_test_list = skip_test['error.txt'] + skip_test['no2015'] + skip_test['tsc_error'] + skip_test['import_skip'] + skip_test['code_rule'] + skip_test['no_case']
-    if os.path.isfile(filepath):
-        if '.ts' in filepath:
-            if filepath not in skip_test_list:
-                return True
-            else:
-                if flag:
-                    print(f'This file is outside the scope of validation : {filepath}\n')
-                return False
+    with open(SKIP_FILE_PATH,'r') as f:
+        content = f.read()
+        test_list = []
+        import_list =[]
+        skip_test = json.loads(content)
+        skip_test_list = skip_test['error.txt'] + skip_test['no2015'] + skip_test['tsc_error'] + skip_test['import_skip'] + skip_test['code_rule'] + skip_test['no_case']
+        if os.path.isfile(filepath):
+            if '.ts' in filepath:
+                if filepath not in skip_test_list:
+                    return True
+                else:
+                    if flag:
+                        print(f'This file is outside the scope of validation : {filepath}\n')
+                    return False
 
 def abc_judge(filepath):
     if not os.path.getsize(filepath):
@@ -124,14 +143,12 @@ def run_test_machine(args):
                         run_test(test_path, ark_frontend_tool)
                         result = compare(test_path)
                         result_path.append(result)
-    f = open(OUT_RESULT_FILE,'w')
-    f.writelines(result_path)
-    f.close()
+    with open(OUT_RESULT_FILE,'w') as f:
+        f.writelines(result_path)
     
 def read_out_file(file_path):
-    f = open(file_path,'r')
-    content = f.read()
-    f.close()
+    with open(file_path, 'r') as f:
+        content = f.read()
     if content:
         if '}\n{' in content:
             out_list = content.split('}\n{')
@@ -172,11 +189,10 @@ def compare(file,flag = False):
             for fi in files:
                 fi = f'{root}/{fi}'
                 if fi != out_path:
-                    f = open(fi,'r')
-                    el_file_txt = f.read()
-                    f.close()
-                    write_append(out_path,el_file_txt)
-                    remove_file(fi)
+                    with open(fi,'r') as f:
+                        el_file_txt = f.read()
+                        write_append(out_path,el_file_txt)
+                        remove_file(fi)
     if (not os.path.exists(out_path) or not os.path.exists(expect_path)):
         print("There are no expected files or validation file generation: %s", file)
         result = f'FAIL {file}\n'
@@ -200,10 +216,11 @@ def summary():
         return
     count = -1
     fail_count = 0
-    for count, line in enumerate(open(OUT_RESULT_FILE, 'r')):
-        if line.startswith("FAIL"):
-            fail_count += 1
-        pass
+    with open(OUT_RESULT_FILE, 'r') as f:
+        for count, line in enumerate(f):
+            if line.startswith("FAIL"):
+                fail_count += 1
+            pass
     count += 1
 
     print("\n      Regression summary")
diff --git a/testTs/utils.py b/testTs/utils.py
index 41d066c776332cecd0d1ea06feb5a83e2aa56599..bb29b833e3426453d3087477d80328067fc9101d 100644
--- a/testTs/utils.py
+++ b/testTs/utils.py
@@ -1,3 +1,23 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+
+"""
+Copyright (c) 2022 Huawei Device Co., Ltd.
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+
+Description: Use ark to execute test 262 test suite
+"""
+
 import os
 import datetime
 import shutil
@@ -10,7 +30,7 @@ import json
 #执行终端命令
 def command_os(order):
     cmd = order
-    os.system(cmd)
+    subprocess.run(cmd)
 
 #创建文件夹   
 def mk_dir(path):
@@ -33,32 +53,26 @@ def remove_file(path):
 
 #清空文件内容（path：文件路径）
 def clean_file(path):
-    f = open(path,'w')
-    f.write('')
-    f.close()
+    with open(path,'w') as f:
+        f.write('')
 
 #读取文件内容(全部)
 def read_file(path):
-    try:
-        f =open(path,'r')
+    content = []
+    with open(path,'r') as f:
         content = f.readlines()
-        f.close()
-    except:
-        content = []
     
     return content
 
 #写入文件，覆盖之前内容
 def write_file(path,content):
-    f = open(path,'w')
-    f.write(content)
-    f.close()
+    with open(path,'w') as f:
+        f.write(content)
 
 #追加写入文件（path：文件路径，content：写入内容）
 def write_append(path,content):
-    f = open(path,'a+')
-    f.write(content)
-    f.close()
+    with open(path,'a+') as f:
+        f.write(content)
 
 def move_file(srcfile, dstfile):
     subprocess.getstatusoutput("mv %s %s" % (srcfile, dstfile))