diff --git a/rqalpha/mod/progress/__init__.py b/rqalpha/mod/progress/__init__.py
index 502d4cf43..6ffc0addf 100644
--- a/rqalpha/mod/progress/__init__.py
+++ b/rqalpha/mod/progress/__init__.py
@@ -16,8 +16,8 @@
 
 import click
 
-from ...interface import AbstractMod
-from ...events import Events
+from rqalpha.interface import AbstractMod
+from rqalpha.events import Events
 
 
 class ProgressMod(AbstractMod):
diff --git a/rqalpha/mod/risk_manager/frontend_validator.py b/rqalpha/mod/risk_manager/frontend_validator.py
index f33d3fc01..1257fe724 100644
--- a/rqalpha/mod/risk_manager/frontend_validator.py
+++ b/rqalpha/mod/risk_manager/frontend_validator.py
@@ -14,9 +14,9 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-from ...const import SIDE, POSITION_EFFECT
-from ...utils.i18n import gettext as _
-from ...execution_context import ExecutionContext
+from rqalpha.const import SIDE, POSITION_EFFECT
+from rqalpha.utils.i18n import gettext as _
+from rqalpha.execution_context import ExecutionContext
 
 
 class FrontendValidator(object):
diff --git a/rqalpha/mod/simple_stock_realtime_trade/mod.py b/rqalpha/mod/simple_stock_realtime_trade/mod.py
index 527e8cca4..81b6acc84 100644
--- a/rqalpha/mod/simple_stock_realtime_trade/mod.py
+++ b/rqalpha/mod/simple_stock_realtime_trade/mod.py
@@ -15,7 +15,6 @@
 # limitations under the License.
 
 from rqalpha.interface import AbstractMod
-from rqalpha.utils.logger import system_log
 from rqalpha.utils.disk_persist_provider import DiskPersistProvider
 from rqalpha.const import RUN_TYPE, PERSIST_MODE
 
@@ -26,8 +25,6 @@
 class RealtimeTradeMod(AbstractMod):
 
     def start_up(self, env, mod_config):
-        self._env = env
-        self._mod_config = mod_config
 
         if env.config.base.run_type == RUN_TYPE.PAPER_TRADING:
             env.set_data_source(DataSource(env.config.base.data_bundle_path))
diff --git a/rqalpha/mod/simulation/matcher.py b/rqalpha/mod/simulation/matcher.py
index 6f1aa38fc..1c8a3aa34 100644
--- a/rqalpha/mod/simulation/matcher.py
+++ b/rqalpha/mod/simulation/matcher.py
@@ -16,11 +16,11 @@
 
 from collections import defaultdict
 
-from ...utils.i18n import gettext as _
-from ...const import ORDER_TYPE, SIDE, BAR_STATUS
-from ...model.trade import Trade
-from ...environment import Environment
-from ...events import Events
+from rqalpha.utils.i18n import gettext as _
+from rqalpha.const import ORDER_TYPE, SIDE, BAR_STATUS
+from rqalpha.model.trade import Trade
+from rqalpha.environment import Environment
+from rqalpha.events import Events
 
 
 class Matcher(object):
diff --git a/rqalpha/mod/simulation/mod.py b/rqalpha/mod/simulation/mod.py
index ac168550f..5f88d562d 100644
--- a/rqalpha/mod/simulation/mod.py
+++ b/rqalpha/mod/simulation/mod.py
@@ -15,6 +15,7 @@
 # limitations under the License.
 
 from rqalpha.interface import AbstractMod
+
 from .simulation_broker import SimulationBroker
 from .simulation_event_source import SimulationEventSource
 
diff --git a/rqalpha/mod/simulation/simulation_broker.py b/rqalpha/mod/simulation/simulation_broker.py
index 2046fc86a..34865c828 100644
--- a/rqalpha/mod/simulation/simulation_broker.py
+++ b/rqalpha/mod/simulation/simulation_broker.py
@@ -24,6 +24,7 @@
 from rqalpha.trader.account.benchmark_account import BenchmarkAccount
 from rqalpha.const import ACCOUNT_TYPE
 from rqalpha.environment import Environment
+
 from .stock_account import StockAccount
 from .future_account import FutureAccount
 from .matcher import Matcher