Fix lint errors in modified code in the /pkg directory (#1962)

* /pkg-make lint

Signed-off-by: longyuqing112 <105913803+longyuqing112@users.noreply.github.com>

* /pkg_make_lint

Signed-off-by: longyuqing112 <105913803+longyuqing112@users.noreply.github.com>

---------

Signed-off-by: longyuqing112 <105913803+longyuqing112@users.noreply.github.com>

pkg/common/db/s3/aws/aws.go

@@ -259,7 +259,7 @@ func (a *Aws) StatObject(ctx context.Context, name string) (*s3.ObjectInfo, erro
 	return res, nil
 }
 
-// AccessURL todo
+// AccessURL todo.
 func (a *Aws) AccessURL(ctx context.Context, name string, expire time.Duration, opt *s3.AccessURLOption) (string, error) {
 	// todo
 	return "", nil

pkg/common/db/unrelation/user.go

@@ -64,7 +64,7 @@ func (u *UserMongoDriver) AddSubscriptionList(ctx context.Context, userID string
 	}
 	// iterate over aggregated results
 	for cursor.Next(ctx) {
-		err := cursor.Decode(&cnt)
+		err = cursor.Decode(&cnt)
 		if err != nil {
 			return errs.Wrap(err)
 		}

pkg/common/kafka/producer.go

@@ -29,6 +29,8 @@ import (
 	"github.com/OpenIMSDK/tools/mcontext"
 	"google.golang.org/protobuf/proto"
 
+	"fmt"
+
 	"github.com/openimsdk/open-im-server/v3/pkg/common/config"
 )
 
@@ -118,7 +120,11 @@ func configureProducerAck(p *Producer, ackConfig string) {
 // configureCompression configures the message compression type for the producer.
 func configureCompression(p *Producer, compressType string) {
 	var compress sarama.CompressionCodec = sarama.CompressionNone
-	compress.UnmarshalText(bytes.ToLower([]byte(compressType)))
+	err := compress.UnmarshalText(bytes.ToLower([]byte(compressType)))
+	if err != nil {
+		fmt.Printf("Failed to configure compression: %v\n", err)
+		return
+	}
 	p.config.Producer.Compression = compress
 }