diff --git a/fans.client.go b/fans.client.go
index 110c290..2967fe8 100644
--- a/fans.client.go
+++ b/fans.client.go
@@ -2,12 +2,6 @@ package userrpc
 
 import (
 	"encoding/json"
-	"errors"
-	"strconv"
-	"time"
-
-	"git.tetele.net/tgo/crypter"
-	"github.com/golang/protobuf/proto"
 )
 
 /**
@@ -19,7 +13,7 @@ func Fans(site_id, dbname, user_id, business_id string, url ...string) error {
 
 	conn, err := rpc_server_conn(url...)
 	if err != nil {
-		return nil, err
+		return err
 	}
 	defer conn.Close()
 
@@ -31,7 +25,7 @@ func Fans(site_id, dbname, user_id, business_id string, url ...string) error {
 
 	data_json, err := json.Marshal(data)
 	if err != nil {
-		return nil, err
+		return err
 	}
 
 	SetReqData(data)
@@ -41,10 +35,10 @@ func Fans(site_id, dbname, user_id, business_id string, url ...string) error {
 	err = conn.Fans(req, res)
 
 	if err != nil {
-		return nil, err
+		return err
 	}
 
-	_, err := GetResData(res)
+	_, err = GetResData(res)
 
 	return err
 }