diff --git a/internal/base/middleware/avatar.go b/internal/base/middleware/avatar.go
index 402ded09..3a6ce2da 100644
--- a/internal/base/middleware/avatar.go
+++ b/internal/base/middleware/avatar.go
@@ -32,10 +32,8 @@ func (am *AvatarMiddleware) AvatarThumb() gin.HandlerFunc {
 	return func(ctx *gin.Context) {
 		u := ctx.Request.RequestURI
 		if strings.Contains(u, "/uploads/avatar/") {
-			wstr := ctx.Query("width")
-			hstr := ctx.Query("height")
-			w := converter.StringToInt(wstr)
-			h := converter.StringToInt(hstr)
+			sizeStr := ctx.Query("s")
+			size := converter.StringToInt(sizeStr)
 			uUrl, err := url.Parse(u)
 			if err != nil {
 				ctx.Next()
@@ -45,10 +43,10 @@ func (am *AvatarMiddleware) AvatarThumb() gin.HandlerFunc {
 			uploadPath := am.serviceConfig.UploadPath
 			filePath := fmt.Sprintf("%s/avatar/%s", uploadPath, urlfileName)
 			var avatarfile []byte
-			if w == 0 && h == 0 {
+			if size == 0 {
 				avatarfile, err = ioutil.ReadFile(filePath)
 			} else {
-				avatarfile, err = am.uploaderService.AvatarThumbFile(ctx, uploadPath, urlfileName, w, h)
+				avatarfile, err = am.uploaderService.AvatarThumbFile(ctx, uploadPath, urlfileName, size)
 			}
 			if err != nil {
 				ctx.Next()
diff --git a/internal/service/uploader/upload.go b/internal/service/uploader/upload.go
index ca8ab3a0..fab199e3 100644
--- a/internal/service/uploader/upload.go
+++ b/internal/service/uploader/upload.go
@@ -62,9 +62,12 @@ var FormatExts = map[string]imaging.Format{
 	".bmp":  imaging.BMP,
 }
 
-func (us *UploaderService) AvatarThumbFile(ctx *gin.Context, uploadPath, fileName string, w, h int) (
+func (us *UploaderService) AvatarThumbFile(ctx *gin.Context, uploadPath, fileName string, size int) (
 	avatarfile []byte, err error) {
-	thumbFileName := fmt.Sprintf("%d_%d@%s", w, h, fileName)
+	if size > 1024 {
+		size = 1024
+	}
+	thumbFileName := fmt.Sprintf("%d_%d@%s", size, size, fileName)
 	thumbfilePath := fmt.Sprintf("%s/%s/%s", uploadPath, avatarThumbSubPath, thumbFileName)
 	avatarfile, err = ioutil.ReadFile(thumbfilePath)
 	if err == nil {
@@ -80,7 +83,7 @@ func (us *UploaderService) AvatarThumbFile(ctx *gin.Context, uploadPath, fileNam
 	if err != nil {
 		return avatarfile, errors.InternalServer(reason.UnknownError).WithError(err).WithStack()
 	}
-	new_image := imaging.Fill(img, w, h, imaging.Center, imaging.Linear)
+	new_image := imaging.Fill(img, size, size, imaging.Center, imaging.Linear)
 	var buf bytes.Buffer
 	fileSuffix := path.Ext(fileName)