diff --git a/flybirds/cli/__main__.py b/flybirds/cli/__main__.py
index 747c2c5e..0b70321f 100644
--- a/flybirds/cli/__main__.py
+++ b/flybirds/cli/__main__.py
@@ -65,7 +65,8 @@ def runner(
         ),
         processes: int = typer.Option(
             4, "--processes", '-p',
-            help="Maximum number of processes. Default = 4"
+            help="Maximum number of processes. Default = 4. Effective when  "
+                 "test on web."
         )
 ):
     """
diff --git a/flybirds/cli/create_project.py b/flybirds/cli/create_project.py
index dc43de51..6e38751f 100644
--- a/flybirds/cli/create_project.py
+++ b/flybirds/cli/create_project.py
@@ -37,7 +37,7 @@ def create_demo():
         "Please input your test platform?(Android/IOS/Web)"
     )
     if test_platform is None or test_platform.strip().lower() not in [
-        'android', 'ios', 'web']:
+            'android', 'ios', 'web']:
         test_platform = 'android'
     test_platform = test_platform.strip().lower()
     user_dict['test_platform'] = test_platform
@@ -89,7 +89,7 @@ def create_demo():
             "Please input your test browserType?(chromium/firefox/webkit)"
         )
         if browser_type is None or browser_type.strip().lower() not in [
-            'chromium', 'firefox', 'webkit']:
+                'chromium', 'firefox', 'webkit']:
             browser_type = 'chromium'
         browser_type = browser_type.strip().lower()
         user_dict['browser_type'] = browser_type
diff --git a/flybirds/cli/parse_args.py b/flybirds/cli/parse_args.py
index 1e0d124d..cd7f83c3 100644
--- a/flybirds/cli/parse_args.py
+++ b/flybirds/cli/parse_args.py
@@ -40,8 +40,8 @@ def parse_args(
     :return:
     """
     log.info(
-        f"flybirds cmd info: {feature_path} {tag} {report_format} {report_path}"
-        f" {define} {rerun} {es} {to_html} {run_at}"
+        f"flybirds cmd info: {feature_path} {tag} {report_format} "
+        f"{report_path} {define} {rerun} {es} {to_html} {run_at}"
     )
 
     check_workspace_args(feature_path)
diff --git a/flybirds/core/config_manage.py b/flybirds/core/config_manage.py
index 8ff508cd..885380ee 100644
--- a/flybirds/core/config_manage.py
+++ b/flybirds/core/config_manage.py
@@ -168,7 +168,7 @@ class WebConfig:
     def __init__(self, user_data, config):
         web_info = get_config(config, "web_info")
         if web_info is None:
-            log.warn(f'[web_info] configuration of web_info is none.')
+            log.warn('[web_info] configuration of web_info is none.')
             # default value
             self.headless = True
             self.browser_type = 'chromium'
diff --git a/flybirds/core/plugin/plugins/default/__init__.py b/flybirds/core/plugin/plugins/default/__init__.py
index 7995b018..e69de29b 100644
--- a/flybirds/core/plugin/plugins/default/__init__.py
+++ b/flybirds/core/plugin/plugins/default/__init__.py
@@ -1,2 +0,0 @@
-from .web.screen import Screen
-from .web.screen_record import ScreenRecordInfo
diff --git a/flybirds/core/plugin/plugins/default/android/step.py b/flybirds/core/plugin/plugins/default/android/step.py
index 17ecda17..32990b57 100644
--- a/flybirds/core/plugin/plugins/default/android/step.py
+++ b/flybirds/core/plugin/plugins/default/android/step.py
@@ -5,8 +5,7 @@
 
 from flybirds.core.plugin.plugins.default.app_base_step import AppBaseStep
 from flybirds.core.plugin.plugins.default.step.app \
-    import (install_app, uninstall_app, to_app_home, app_login, app_logout,
-            return_pre_page)
+    import (install_app, uninstall_app, return_pre_page)
 from flybirds.core.plugin.plugins.default.step.schema import jump_to_page
 
 __open__ = ["Step"]
@@ -23,15 +22,6 @@ def install_app(self, context, param):
     def uninstall_app(self, context, param):
         uninstall_app(context, param)
 
-    def to_app_home(self, context):
-        to_app_home(context)
-
-    def app_login(self, context, param1, param2):
-        app_login(context, param1, param2)
-
-    def app_logout(self, context):
-        app_logout(context)
-
     def return_pre_page(self, context):
         return_pre_page(context)
 
diff --git a/flybirds/core/plugin/plugins/default/app_base_step.py b/flybirds/core/plugin/plugins/default/app_base_step.py
index 93a7b502..8b042b5f 100644
--- a/flybirds/core/plugin/plugins/default/app_base_step.py
+++ b/flybirds/core/plugin/plugins/default/app_base_step.py
@@ -6,10 +6,13 @@
 import flybirds.core.plugin.plugins.default.step.attr as step_attr
 import flybirds.core.plugin.plugins.default.step.click as step_click
 import flybirds.core.plugin.plugins.default.step.common as step_common
-import flybirds.core.plugin.plugins.default.step.page_show_adjust as step_adjust
+import flybirds.core.plugin.plugins.default.step.page_show_adjust \
+    as step_adjust
 import flybirds.core.plugin.plugins.default.step.record as step_record
 import flybirds.core.plugin.plugins.default.step.swipe as step_swipe
 import flybirds.core.plugin.plugins.default.step.verify as step_verify
+from flybirds.core.plugin.plugins.default.step.app \
+    import (to_app_home, app_login, app_logout)
 from flybirds.core.plugin.plugins.default.step.input import ele_input
 from flybirds.core.plugin.plugins.default.step.position import (
     position_not_change
@@ -116,3 +119,12 @@ def wait_ele_appear(self, context, param):
 
     def exist_ele(self, context, param):
         step_verify.exist_ele(context, param)
+
+    def to_app_home(self, context):
+        to_app_home(context)
+
+    def app_login(self, context, param1, param2):
+        app_login(context, param1, param2)
+
+    def app_logout(self, context):
+        app_logout(context)
diff --git a/flybirds/core/plugin/plugins/default/base_element.py b/flybirds/core/plugin/plugins/default/base_element.py
index 32312b59..b69db848 100644
--- a/flybirds/core/plugin/plugins/default/base_element.py
+++ b/flybirds/core/plugin/plugins/default/base_element.py
@@ -6,8 +6,8 @@
 
 import \
     flybirds.core.plugin.plugins.default.ui_driver.poco.poco_attr as poco_attr
-import \
-    flybirds.core.plugin.plugins.default.ui_driver.poco.poco_click as poco_click
+import flybirds.core.plugin.plugins.default.ui_driver.poco.poco_click \
+    as poco_click
 import flybirds.core.plugin.plugins.default.ui_driver.poco.poco_ele as poco_ele
 import \
     flybirds.core.plugin.plugins.default.ui_driver.poco.poco_findsnap \
@@ -18,8 +18,8 @@
 import \
     flybirds.core.plugin.plugins.default.ui_driver.poco.poco_selector \
     as poco_selector
-import \
-    flybirds.core.plugin.plugins.default.ui_driver.poco.poco_swipe as poco_swipe
+import flybirds.core.plugin.plugins.default.ui_driver.poco.poco_swipe \
+    as poco_swipe
 import \
     flybirds.core.plugin.plugins.default.ui_driver.poco.poco_text as poco_text
 import \
diff --git a/flybirds/core/plugin/plugins/default/screen.py b/flybirds/core/plugin/plugins/default/screen.py
index 51bf4fe9..ddebffe0 100644
--- a/flybirds/core/plugin/plugins/default/screen.py
+++ b/flybirds/core/plugin/plugins/default/screen.py
@@ -50,8 +50,8 @@ def screen_link_to_behave(scenario, step_index, tag=None):
         screenshot address and linked to the <scr> tag
         The label information is placed in the description of the scene,
         and the json report is processed after all the runs are finished,
-        and the <scr> information in the description is converted into embeddings
-        information in the step.
+        and the <scr> information in the description is converted into
+        embeddings information in the step.
         """
         feature_name = file_helper.valid_file_name(scenario.feature.name)
         scenario_name = file_helper.valid_file_name(scenario.name)
diff --git a/flybirds/core/plugin/plugins/default/screen_record.py b/flybirds/core/plugin/plugins/default/screen_record.py
index d904bb2e..f335d590 100644
--- a/flybirds/core/plugin/plugins/default/screen_record.py
+++ b/flybirds/core/plugin/plugins/default/screen_record.py
@@ -115,10 +115,10 @@ def start_record(self, timeout, bit_rate_level=1, bit_rate=None):
                 cmd = "{} -s {} shell screenrecord --bugreport " \
                       "--size {}x{} --time-limit {} --bit-rate {} " \
                       "--verbose sdcard/flybirds.mp4".format(airtest_adb_path,
-                                                            device_id,
-                                                            screen_size[0],
-                                                            screen_size[1],
-                                                            timeout, bit_rate)
+                                                             device_id,
+                                                             screen_size[0],
+                                                             screen_size[1],
+                                                             timeout, bit_rate)
             else:
                 cmd = "{} -s {} shell screenrecord" \
                       " --size {}x{} " \
@@ -126,9 +126,9 @@ def start_record(self, timeout, bit_rate_level=1, bit_rate=None):
                       "--bit-rate {}" \
                       " --verbose " \
                       "sdcard/flybirds.mp4".format(airtest_adb_path, device_id,
-                                                  screen_size[0],
-                                                  screen_size[1], timeout,
-                                                  bit_rate)
+                                                   screen_size[0],
+                                                   screen_size[1], timeout,
+                                                   bit_rate)
 
             proc = cmd_helper.create_sub_process(cmd)
             message = ""
diff --git a/flybirds/core/plugin/plugins/default/step/click.py b/flybirds/core/plugin/plugins/default/step/click.py
index 242bd19d..aef7bcd4 100644
--- a/flybirds/core/plugin/plugins/default/step/click.py
+++ b/flybirds/core/plugin/plugins/default/step/click.py
@@ -3,7 +3,8 @@
 Step implement of element click.
 """
 import flybirds.core.global_resource as gr
-import flybirds.core.plugin.plugins.default.ui_driver.poco.findsnap as find_snap
+import flybirds.core.plugin.plugins.default.ui_driver.poco.findsnap \
+    as find_snap
 import flybirds.utils.dsl_helper as dsl_helper
 from flybirds.core.global_context import GlobalContext as g_Context
 
diff --git a/flybirds/core/plugin/plugins/default/ui_driver/poco/parse_path.py b/flybirds/core/plugin/plugins/default/ui_driver/poco/parse_path.py
index d0ebb488..2e1b1d01 100644
--- a/flybirds/core/plugin/plugins/default/ui_driver/poco/parse_path.py
+++ b/flybirds/core/plugin/plugins/default/ui_driver/poco/parse_path.py
@@ -2,7 +2,8 @@
 """
 Convert poco object
 """
-import flybirds.core.plugin.plugins.default.ui_driver.poco.parse_selector as msd
+import flybirds.core.plugin.plugins.default.ui_driver.poco.parse_selector \
+    as msd
 import flybirds.core.plugin.plugins.default.ui_driver.poco.poco_selector as pc
 import flybirds.utils.snippet as snippet
 from flybirds.core.global_context import GlobalContext as g_Context
diff --git a/flybirds/core/plugin/plugins/default/ui_driver/poco/poco_ele.py b/flybirds/core/plugin/plugins/default/ui_driver/poco/poco_ele.py
index d929b20e..cf23384e 100644
--- a/flybirds/core/plugin/plugins/default/ui_driver/poco/poco_ele.py
+++ b/flybirds/core/plugin/plugins/default/ui_driver/poco/poco_ele.py
@@ -5,7 +5,8 @@
 import time
 
 import flybirds.core.global_resource as gr
-import flybirds.core.plugin.plugins.default.ui_driver.poco.findsnap as find_snap
+import flybirds.core.plugin.plugins.default.ui_driver.poco.findsnap \
+    as find_snap
 import flybirds.core.plugin.plugins.default.ui_driver.poco.poco_manage as pm
 import flybirds.utils.flybirds_log as log
 from flybirds.core.exceptions import FlybirdEleExistsException
diff --git a/flybirds/core/plugin/plugins/default/ui_driver/poco/poco_manage.py b/flybirds/core/plugin/plugins/default/ui_driver/poco/poco_manage.py
index 6edce054..f667c5b4 100644
--- a/flybirds/core/plugin/plugins/default/ui_driver/poco/poco_manage.py
+++ b/flybirds/core/plugin/plugins/default/ui_driver/poco/poco_manage.py
@@ -3,7 +3,8 @@
 Poco manage api
 """
 import flybirds.core.plugin.plugins.default.ui_driver.poco.parse_path as parse
-import flybirds.core.plugin.plugins.default.ui_driver.poco.parse_selector as msd
+import flybirds.core.plugin.plugins.default.ui_driver.poco.parse_selector \
+    as msd
 import flybirds.core.plugin.plugins.default.ui_driver.poco.poco_selector as pc
 from flybirds.core.global_context import GlobalContext as g_context
 
diff --git a/flybirds/core/plugin/plugins/default/web/element.py b/flybirds/core/plugin/plugins/default/web/element.py
index b83ea718..661a5ca5 100644
--- a/flybirds/core/plugin/plugins/default/web/element.py
+++ b/flybirds/core/plugin/plugins/default/web/element.py
@@ -204,7 +204,7 @@ def ele_select(self, context, selector, option_str):
             log.info(f'[ele_select] select option[{option_str}] success.')
         except FlybirdsVerifyEleException as fe:
             raise fe
-        except Exception as e:
+        except Exception:
             # select by value
             log.warn(f'[ele_select] retry select option[{option_str}].')
             locator.select_option(option_str)
diff --git a/flybirds/core/plugin/plugins/default/web/page.py b/flybirds/core/plugin/plugins/default/web/page.py
index f47d3b1f..cda1f0ff 100644
--- a/flybirds/core/plugin/plugins/default/web/page.py
+++ b/flybirds/core/plugin/plugins/default/web/page.py
@@ -52,7 +52,7 @@ def sleep(self, context, param):
         if is_number(param):
             self.page.wait_for_timeout(float(param) * 1000)
         else:
-            log.warn(f"default wait for timeout!")
+            log.warn("default wait for timeout!")
             self.page.wait_for_timeout(3 * 1000)
 
     def cur_page_equal(self, context, param):
diff --git a/flybirds/core/script_config.py b/flybirds/core/script_config.py
index ea5fc71e..fe68ba74 100644
--- a/flybirds/core/script_config.py
+++ b/flybirds/core/script_config.py
@@ -38,4 +38,3 @@ def __init__(self):
         if os.path.exists(tag_provider_path):
             tag_provider_path_import_path = "tag_provider"
             self.tag_provider = __import__(tag_provider_path_import_path)
-
diff --git a/flybirds/report/fail_feature_create.py b/flybirds/report/fail_feature_create.py
index 70071a37..d9ff09be 100644
--- a/flybirds/report/fail_feature_create.py
+++ b/flybirds/report/fail_feature_create.py
@@ -481,11 +481,7 @@ def failed_rerun(rerun_cmd_str: str, rerun_feature_path, processes,
 
 
 def parallel_rerun(rerun_cmd_str: str, rerun_feature_path, processes):
-    log.info(f'parallel_rerun start!')
-    log.info(f'[parallel_rerun] processes num: {processes}')
-    log.info(f'[parallel_rerun] rerun_feature_path: {rerun_feature_path}')
-    log.info(f'[parallel_rerun] rerun_cmd_str: \n\n{rerun_cmd_str}\n\n')
-
+    log.info('parallel_rerun start!')
     dry_cmd = f'behave {rerun_feature_path} -d -k -f json --no-summary'
     features = get_features_num(dry_cmd)
     log.info(f'[parallel_rerun] features num: {len(features)}')
diff --git a/flybirds/report/parallel_runner.py b/flybirds/report/parallel_runner.py
index 9e0d30fd..d14055ed 100644
--- a/flybirds/report/parallel_runner.py
+++ b/flybirds/report/parallel_runner.py
@@ -75,7 +75,8 @@ def parallel_run(context):
 
     if parsed_tags and len(parsed_tags) > 0:
         # -k, --no-skipped
-        cmd = f'behave {feature_path} {" ".join(parsed_tags)} -d -k -f json --no-summary'
+        cmd = f'behave {feature_path} {" ".join(parsed_tags)} -d -k -f json ' \
+              f'--no-summary'
     else:
         cmd = f'behave {feature_path} -d -k -f json --no-summary'
     features = get_features_num(cmd)
diff --git a/flybirds/utils/file_helper.py b/flybirds/utils/file_helper.py
index 01320705..4755348d 100644
--- a/flybirds/utils/file_helper.py
+++ b/flybirds/utils/file_helper.py
@@ -28,7 +28,7 @@ def get_json_from_file_path(path):
         f = open(path, "r", errors='ignore')
         json_str = f.read().strip().replace('\r\n', '\\r\\n')
         result = json.loads(json_str, strict=False)
-    except JSONDecodeError as e:
+    except JSONDecodeError:
         log.warn('get_json_from_file_path has error.')
     finally:
         if f: