diff --git a/v2/consumer.py b/v2/consumer.py
index 1c6c862..bf6cff8 100644
--- a/v2/consumer.py
+++ b/v2/consumer.py
@@ -6,11 +6,11 @@ from settings import settings
 __all__ = 'create_consumer',
 
 
-def create_consumer(partition=-1):
+def create_consumer(partition: int = -1):
     c = KafkaConsumer(**settings.KAFKA_CONSUMER_CONF)
 
     def consumer():
-        if partition > 0:
+        if partition > -1:
             c.assign([TopicPartition(settings.SUBSCRIBE_TOPIC, partition)])
         else:
             c.subscribe([settings.SUBSCRIBE_TOPIC])
diff --git a/v2/transmitter.py b/v2/transmitter.py
index 298a377..7326eb7 100644
--- a/v2/transmitter.py
+++ b/v2/transmitter.py
@@ -5,7 +5,6 @@ import threading
 import time
 import traceback
 
-from kafka import TopicPartition, OffsetAndMetadata
 
 from settings import settings
 from .valid_data import *
@@ -47,7 +46,6 @@ class Transmitter:
         self.lock = lock
         self.event_attr = event_attr
         self.p = p
-        self.topic_p = TopicPartition(settings.SUBSCRIBE_TOPIC, p)
 
     def start_ping(self):
         t = Ping(self.db_client, self.p, self.log)
@@ -144,7 +142,6 @@ class Transmitter:
                 self.log.error(traceback.format_exc())
             buffer.clear()
             try:
-                offsets = kafka_client.committed(self.topic_p)
-                kafka_client.commit({self.topic_p: OffsetAndMetadata(offsets, '')})
+                kafka_client.commit()
             except Exception as e:
                 self.log.error(f'进程:{self.p}  error:{e}')