diff --git a/fssc/fssc b/fssc/fssc
index abbe9de..5c534f3 100644
Binary files a/fssc/fssc and b/fssc/fssc differ
diff --git a/fssc/internal/transfer/send.go b/fssc/internal/transfer/send.go
index cc61ff5..88be949 100644
--- a/fssc/internal/transfer/send.go
+++ b/fssc/internal/transfer/send.go
@@ -105,6 +105,7 @@ func postFile(filePath string, filename string, url string) error {
 	req.Header.Set("Content-Type", writer.FormDataContentType())
 	// 在头里面加上路径
 	req.Header.Set("Fpath", util.Bas64end(filePath))
+	req.Header.Set("bb", "test")
 
 	client := &http.Client{}
 	resp, err := client.Do(req)
diff --git a/fsv2/fstc b/fsv2/fstc
index ec24b5a..aff7256 100644
Binary files a/fsv2/fstc and b/fsv2/fstc differ
diff --git a/fsv2/handler/handler.go b/fsv2/handler/handler.go
index cc9565c..5586c8b 100644
--- a/fsv2/handler/handler.go
+++ b/fsv2/handler/handler.go
@@ -98,7 +98,7 @@ func ReceiveHandler(w http.ResponseWriter, r *http.Request) {
 		filename := filepath.FromSlash(params["filename"])
 
 		//debug
-		fmt.Printf("header params:%v", header.Header)
+		fmt.Printf("header params:%v", r.Header)
 
 		fmt.Printf("Downloading [%s]...\n", filename)
 		dirPath := filepath.Dir(filename)
diff --git a/fsv2/util/util.go b/fsv2/util/util.go
index 4fda533..c60db3e 100644
--- a/fsv2/util/util.go
+++ b/fsv2/util/util.go
@@ -2,6 +2,7 @@ package util
 
 import (
 	"archive/zip"
+	"encoding/base64"
 	"fmt"
 	"io"
 	"os"
@@ -158,6 +159,19 @@ func DecompressZip(zpFname string) error {
 	return nil
 }
 
+// base64 encode
+// url safe
+func Bas64end(str string) string {
+	// bdata:=
+	return base64.URLEncoding.EncodeToString([]byte(str))
+}
+
+// base64 url safe uneconde
+func Base64dec(bsstr string) string {
+	dedc, _ := base64.URLEncoding.DecodeString(bsstr)
+	return string(dedc)
+}
+
 // package main
 
 // import (