diff --git a/README.md b/README.md
index 5b03333..4ba4f9e 100644
--- a/README.md
+++ b/README.md
@@ -14,8 +14,8 @@ Get hamming distance between two dhash strings
 Scan all images like 编码后哈希.webp
 ### func Pick(exclude []string) string
 Pick a random image
-### func Saveimgbytes(b []byte, imgdir string, uid string, force bool, samediff int) (string, string)
-### func Saveimg(r io.Reader, imgdir string, uid string, samediff int) (string, string)
+### func Saveimgbytes(b []byte, imgdir string, force bool, samediff int) (string, string)
+### func Saveimg(r io.Reader, imgdir string, samediff int) (string, string)
 Save image into imgdir with name like 编码后哈希.webp
 Return value: status, dhash
 ### func Addimage(name string)
diff --git a/storage.go b/storage.go
index 5072546..9537f12 100644
--- a/storage.go
+++ b/storage.go
@@ -70,7 +70,7 @@ func Addimage(name string) {
 }
 
 // Saveimgbytes Save image into imgdir with name like 编码后哈希.webp Return value: status, dhash
-func Saveimgbytes(b []byte, imgdir string, uid string, force bool, samediff int) (string, string) {
+func Saveimgbytes(b []byte, imgdir string, force bool, samediff int) (string, string) {
 	r := bytes.NewReader(b)
 	img, _, err := image.Decode(r)
 	iswebp := false
@@ -125,14 +125,15 @@ func Saveimgbytes(b []byte, imgdir string, uid string, force bool, samediff int)
 		log.Debugf("[saveimg] save %d bytes.\n", c)
 	}
 	log.Debugf("[saveimg] new %s.\n", dh)
+	Addimage(dh)
 	return "\"stat\":\"success\", \"img\": \"" + url.QueryEscape(dh) + "\"", dh
 }
 
 // Saveimg Save image into imgdir with name like 编码后哈希.webp Return value: status, dhash
-func Saveimg(r io.Reader, imgdir string, uid string, samediff int) (string, string) {
+func Saveimg(r io.Reader, imgdir string, samediff int) (string, string) {
 	imgbuff := make([]byte, 1024*1024) // 1m
 	r.Read(imgbuff)
-	return Saveimgbytes(imgbuff, imgdir, uid, false, samediff)
+	return Saveimgbytes(imgbuff, imgdir, false, samediff)
 }
 
 // Scanimgs Scan all images like 编码后哈希.webp