diff --git a/admin.go b/admin.go
index b0cbcfcd..64b6610a 100644
--- a/admin.go
+++ b/admin.go
@@ -2,9 +2,10 @@ package beego
 
 import (
 	"fmt"
-	"github.com/astaxie/beego/toolbox"
 	"net/http"
 	"time"
+
+	"github.com/astaxie/beego/toolbox"
 )
 
 var BeeAdminApp *AdminApp
diff --git a/app.go b/app.go
index 3aa3bf97..9cd16ccd 100644
--- a/app.go
+++ b/app.go
@@ -2,11 +2,12 @@ package beego
 
 import (
 	"fmt"
-	"github.com/astaxie/beego/context"
 	"net"
 	"net/http"
 	"net/http/fcgi"
 	"time"
+
+	"github.com/astaxie/beego/context"
 )
 
 type FilterFunc func(*context.Context)
diff --git a/cache/memcache.go b/cache/memcache.go
index 5cf208f3..c0b726d0 100644
--- a/cache/memcache.go
+++ b/cache/memcache.go
@@ -3,6 +3,7 @@ package cache
 import (
 	"encoding/json"
 	"errors"
+
 	"github.com/beego/memcache"
 )
 
diff --git a/cache/redis.go b/cache/redis.go
index 993f30cc..27648416 100644
--- a/cache/redis.go
+++ b/cache/redis.go
@@ -3,6 +3,7 @@ package cache
 import (
 	"encoding/json"
 	"errors"
+
 	"github.com/beego/redigo/redis"
 )
 
diff --git a/config.go b/config.go
index 32370d60..bd540b6e 100644
--- a/config.go
+++ b/config.go
@@ -26,7 +26,6 @@ var (
 	HttpKeyFile   string
 	RecoverPanic  bool
 	AutoRender    bool
-	PprofOn       bool
 	ViewsPath     string
 	RunMode       string //"dev" or "prod"
 	AppConfig     config.ConfigContainer
@@ -71,7 +70,6 @@ func InitConfig() {
 	RunMode = "dev" //default runmod
 	AutoRender = true
 	RecoverPanic = true
-	PprofOn = false
 	ViewsPath = "views"
 	SessionOn = false
 	SessionProvider = "memory"
diff --git a/config/xml.go b/config/xml.go
index e08738ba..7f3807ef 100644
--- a/config/xml.go
+++ b/config/xml.go
@@ -4,11 +4,12 @@ package config
 
 import (
 	"errors"
-	"github.com/beego/x2j"
 	"io/ioutil"
 	"os"
 	"strconv"
 	"sync"
+
+	"github.com/beego/x2j"
 )
 
 type XMLConfig struct {
diff --git a/config/yaml.go b/config/yaml.go
index 08b51b47..04bb0940 100644
--- a/config/yaml.go
+++ b/config/yaml.go
@@ -4,11 +4,12 @@ import (
 	"bytes"
 	"encoding/json"
 	"errors"
-	"github.com/beego/goyaml2"
 	"io/ioutil"
 	"log"
 	"os"
 	"sync"
+
+	"github.com/beego/goyaml2"
 )
 
 type YAMLConfig struct {
diff --git a/context/context.go b/context/context.go
index d2de3887..f13e4856 100644
--- a/context/context.go
+++ b/context/context.go
@@ -1,8 +1,9 @@
 package context
 
 import (
-	"github.com/astaxie/beego/middleware"
 	"net/http"
+
+	"github.com/astaxie/beego/middleware"
 )
 
 type Context struct {
diff --git a/context/input.go b/context/input.go
index 809f2366..c20c8b14 100644
--- a/context/input.go
+++ b/context/input.go
@@ -2,11 +2,12 @@ package context
 
 import (
 	"bytes"
-	"github.com/astaxie/beego/session"
 	"io/ioutil"
 	"net/http"
 	"strconv"
 	"strings"
+
+	"github.com/astaxie/beego/session"
 )
 
 type BeegoInput struct {
diff --git a/controller.go b/controller.go
index 0c4b62f9..78e6c34f 100644
--- a/controller.go
+++ b/controller.go
@@ -7,8 +7,6 @@ import (
 	"encoding/base64"
 	"errors"
 	"fmt"
-	"github.com/astaxie/beego/context"
-	"github.com/astaxie/beego/session"
 	"html/template"
 	"io"
 	"io/ioutil"
@@ -20,6 +18,9 @@ import (
 	"strconv"
 	"strings"
 	"time"
+
+	"github.com/astaxie/beego/context"
+	"github.com/astaxie/beego/session"
 )
 
 type Controller struct {
diff --git a/fiter_test.go b/fiter_test.go
index 4a1b8639..4e9dae6a 100644
--- a/fiter_test.go
+++ b/fiter_test.go
@@ -1,10 +1,11 @@
 package beego
 
 import (
-	"github.com/astaxie/beego/context"
 	"net/http"
 	"net/http/httptest"
 	"testing"
+
+	"github.com/astaxie/beego/context"
 )
 
 var FilterUser = func(ctx *context.Context) {
diff --git a/router.go b/router.go
index 395e7eb7..bc2a4e14 100644
--- a/router.go
+++ b/router.go
@@ -2,9 +2,6 @@ package beego
 
 import (
 	"fmt"
-	beecontext "github.com/astaxie/beego/context"
-	"github.com/astaxie/beego/middleware"
-	"github.com/astaxie/beego/toolbox"
 	"net/http"
 	"net/url"
 	"os"
@@ -14,6 +11,10 @@ import (
 	"strconv"
 	"strings"
 	"time"
+
+	beecontext "github.com/astaxie/beego/context"
+	"github.com/astaxie/beego/middleware"
+	"github.com/astaxie/beego/toolbox"
 )
 
 const (
diff --git a/session/sess_mysql.go b/session/sess_mysql.go
index 10dcf20b..f1a59d4f 100644
--- a/session/sess_mysql.go
+++ b/session/sess_mysql.go
@@ -9,9 +9,10 @@ package session
 
 import (
 	"database/sql"
-	_ "github.com/go-sql-driver/mysql"
 	"sync"
 	"time"
+
+	_ "github.com/go-sql-driver/mysql"
 )
 
 var mysqlpder = &MysqlProvider{}
diff --git a/session/sess_redis.go b/session/sess_redis.go
index 230dd079..b6f088c3 100644
--- a/session/sess_redis.go
+++ b/session/sess_redis.go
@@ -1,10 +1,11 @@
 package session
 
 import (
-	"github.com/beego/redigo/redis"
 	"strconv"
 	"strings"
 	"sync"
+
+	"github.com/beego/redigo/redis"
 )
 
 var redispder = &RedisProvider{}