diff --git a/gorm_mq/consumer.go b/gorm_mq/consumer.go
index 33d3753..1049494 100644
--- a/gorm_mq/consumer.go
+++ b/gorm_mq/consumer.go
@@ -37,7 +37,6 @@ type MqConsumer struct {
 	name       string
 	groupId    string
 	locker     sync.RWMutex
-	corsor     int64
 	// 每次至多消费多少
 	limit int
 	// 抢占超时时间
diff --git a/gorm_mq/mq.go b/gorm_mq/mq.go
index 412dfcf..682a16d 100644
--- a/gorm_mq/mq.go
+++ b/gorm_mq/mq.go
@@ -18,11 +18,12 @@ import (
 	"context"
 	"errors"
 	"fmt"
-	"github.com/ecodeclub/mq-sql/gorm_mq/balancer/equal_divide"
 	"log"
 	"sync"
 	"time"
 
+	"github.com/ecodeclub/mq-sql/gorm_mq/balancer/equal_divide"
+
 	"github.com/ecodeclub/ekit/syncx"
 	"github.com/ecodeclub/mq-api"
 	"github.com/ecodeclub/mq-sql/gorm_mq/domain"
@@ -121,7 +122,6 @@ func (m *Mq) Topic(name string, partition int) error {
 
 func (tp *Topic) Close() error {
 	tp.lock.Lock()
-	defer tp.lock.Unlock()
 	tp.once.Do(func() {
 		for _, ch := range tp.msgCh {
 			close(ch)
@@ -130,7 +130,7 @@ func (tp *Topic) Close() error {
 			close(ch)
 		}
 	})
-
+	tp.lock.Unlock()
 	return nil
 }