style: add import formatting

Signed-off-by: Xinwei Xiong(cubxxw-openim) <3293172751nss@gmail.com>

internal/msggateway/callback.go

@@ -2,12 +2,13 @@ package msggateway
 
 import (
 	"context"
+	"time"
+
 	cbapi "github.com/OpenIMSDK/Open-IM-Server/pkg/callbackstruct"
 	"github.com/OpenIMSDK/Open-IM-Server/pkg/common/config"
 	"github.com/OpenIMSDK/Open-IM-Server/pkg/common/constant"
 	"github.com/OpenIMSDK/Open-IM-Server/pkg/common/http"
 	"github.com/OpenIMSDK/Open-IM-Server/pkg/common/mcontext"
-	"time"
 )
 
 func url() string {

internal/msggateway/context.go

@@ -1,11 +1,12 @@
 package msggateway
 
 import (
-	"github.com/OpenIMSDK/Open-IM-Server/pkg/common/constant"
-	"github.com/OpenIMSDK/Open-IM-Server/pkg/utils"
 	"net/http"
 	"strconv"
 	"time"
+
+	"github.com/OpenIMSDK/Open-IM-Server/pkg/common/constant"
+	"github.com/OpenIMSDK/Open-IM-Server/pkg/utils"
 )
 
 type UserConnContext struct {

internal/msggateway/encoder.go

@@ -3,6 +3,7 @@ package msggateway
 import (
 	"bytes"
 	"encoding/gob"
+
 	"github.com/OpenIMSDK/Open-IM-Server/pkg/utils"
 )
 

internal/msggateway/hub_server.go

@@ -2,6 +2,7 @@ package msggateway
 
 import (
 	"context"
+
 	"github.com/OpenIMSDK/Open-IM-Server/pkg/common/db/cache"
 
 	"github.com/OpenIMSDK/Open-IM-Server/pkg/common/config"

internal/msggateway/long_conn.go

@@ -1,9 +1,10 @@
 package msggateway
 
 import (
-	"github.com/gorilla/websocket"
 	"net/http"
 	"time"
+
+	"github.com/gorilla/websocket"
 )
 
 type LongConn interface {

internal/msggateway/user_map.go

@@ -2,9 +2,10 @@ package msggateway
 
 import (
 	"context"
+	"sync"
+
 	"github.com/OpenIMSDK/Open-IM-Server/pkg/common/log"
 	"github.com/OpenIMSDK/Open-IM-Server/pkg/utils"
-	"sync"
 )
 
 type UserMap struct {