diff --git a/weed/msgqueue/configuration.go b/weed/msgqueue/configuration.go
index 63f103c1e..dec954c09 100644
--- a/weed/msgqueue/configuration.go
+++ b/weed/msgqueue/configuration.go
@@ -33,10 +33,10 @@ var (
 func LoadConfiguration() {
 
 	// find a filer store
-	viper.SetConfigName("message_queue")    // name of config file (without extension)
-	viper.AddConfigPath(".")                // optionally look for config in the working directory
-	viper.AddConfigPath("$HOME/.seaweedfs") // call multiple times to add many search paths
-	viper.AddConfigPath("/etc/seaweedfs/")  // path to look for the config file in
+	viper.SetConfigName("message_queue")         // name of config file (without extension)
+	viper.AddConfigPath(".")                     // optionally look for config in the working directory
+	viper.AddConfigPath("$HOME/.seaweedfs")      // call multiple times to add many search paths
+	viper.AddConfigPath("/etc/seaweedfs/")       // path to look for the config file in
 	if err := viper.ReadInConfig(); err != nil { // Handle errors reading the config file
 		glog.Fatalf("Failed to load message_queue.toml file from current directory, or $HOME/.seaweedfs/, "+
 			"or /etc/seaweedfs/"+
diff --git a/weed/msgqueue/kafka/kafka_queue.go b/weed/msgqueue/kafka/kafka_queue.go
index c013baf5f..72bfd657a 100644
--- a/weed/msgqueue/kafka/kafka_queue.go
+++ b/weed/msgqueue/kafka/kafka_queue.go
@@ -1,11 +1,10 @@
 package kafka
 
 import (
-	_ "github.com/go-sql-driver/mysql"
-	"github.com/chrislusf/seaweedfs/weed/msgqueue"
-	"github.com/golang/protobuf/proto"
 	"github.com/Shopify/sarama"
 	"github.com/chrislusf/seaweedfs/weed/glog"
+	"github.com/chrislusf/seaweedfs/weed/msgqueue"
+	"github.com/golang/protobuf/proto"
 )
 
 func init() {
diff --git a/weed/msgqueue/log/log_queue.go b/weed/msgqueue/log/log_queue.go
index ef7967e6c..9ce9ff8be 100644
--- a/weed/msgqueue/log/log_queue.go
+++ b/weed/msgqueue/log/log_queue.go
@@ -1,10 +1,9 @@
 package kafka
 
 import (
-	_ "github.com/go-sql-driver/mysql"
+	"github.com/chrislusf/seaweedfs/weed/glog"
 	"github.com/chrislusf/seaweedfs/weed/msgqueue"
 	"github.com/golang/protobuf/proto"
-	"github.com/chrislusf/seaweedfs/weed/glog"
 )
 
 func init() {
diff --git a/weed/server/filer_server.go b/weed/server/filer_server.go
index c9dabe5cb..61bb6e0ea 100644
--- a/weed/server/filer_server.go
+++ b/weed/server/filer_server.go
@@ -1,6 +1,8 @@
 package weed_server
 
 import (
+	"net/http"
+
 	"github.com/chrislusf/seaweedfs/weed/filer2"
 	_ "github.com/chrislusf/seaweedfs/weed/filer2/cassandra"
 	_ "github.com/chrislusf/seaweedfs/weed/filer2/leveldb"
@@ -8,12 +10,11 @@ import (
 	_ "github.com/chrislusf/seaweedfs/weed/filer2/mysql"
 	_ "github.com/chrislusf/seaweedfs/weed/filer2/postgres"
 	_ "github.com/chrislusf/seaweedfs/weed/filer2/redis"
+	"github.com/chrislusf/seaweedfs/weed/glog"
+	"github.com/chrislusf/seaweedfs/weed/msgqueue"
 	_ "github.com/chrislusf/seaweedfs/weed/msgqueue/kafka"
 	_ "github.com/chrislusf/seaweedfs/weed/msgqueue/log"
-	"github.com/chrislusf/seaweedfs/weed/glog"
 	"github.com/chrislusf/seaweedfs/weed/security"
-	"net/http"
-	"github.com/chrislusf/seaweedfs/weed/msgqueue"
 )
 
 type FilerOption struct {