diff --git a/README.md b/README.md
index d8a2c98..a12899e 100644
--- a/README.md
+++ b/README.md
@@ -64,7 +64,7 @@ Here are the features that are currently supported by yutu, and the ones that ar
   - [x] update, 50
   - [ ] delete, 50
 - activities
-  - [ ] list, 1
+  - [x] list, 1
 - captions
   - [ ] list, 50
   - [ ] insert, 400
@@ -87,8 +87,8 @@ Here are the features that are currently supported by yutu, and the ones that ar
   - [ ] list, 1
   - [ ] insert, 50
   - [ ] update, 50
-- guideCategories
-  - [ ] list, 1
+- <s>guideCategories</s>
+  - [x] <s>list, 1 deprecated API</s>
 - i18nLanguages
   - [ ] list, 1
 - i18nRegions
diff --git a/pkg/auth/auth.go b/pkg/auth/auth.go
index ca3aef8..58be4f5 100644
--- a/pkg/auth/auth.go
+++ b/pkg/auth/auth.go
@@ -21,7 +21,7 @@ import (
 
 var (
 	credential     string = "client_secret.json"
-	cacheFile      string = "youtube.cache.json"
+	cacheFile      string = "youtube.token.json"
 	errGetUser     error  = errors.New("unable to get current user")
 	errCreateSvc   error  = errors.New("unable to create YouTube service")
 	errReadPrompt  error  = errors.New("unable to read prompt")
@@ -68,6 +68,9 @@ func getClient(ctx context.Context, scope ...string) *http.Client {
 	} else if !token.Valid() {
 		tokenSource := config.TokenSource(ctx, token)
 		token, err = tokenSource.Token()
+		if token != nil {
+			saveToken(cacheFile, token)
+		}
 		if err != nil {
 			return newClient(ctx, config, cacheFile)
 		}
@@ -208,7 +211,6 @@ func tokenFromFile(file string) (*oauth2.Token, error) {
 }
 
 func saveToken(file string, token *oauth2.Token) {
-	fmt.Printf("Saving credential file to %s\n", file)
 	f, err := os.OpenFile(file, os.O_RDWR|os.O_CREATE|os.O_TRUNC, 0600)
 	if err != nil {
 		log.Fatalln(errors.Join(errCacheToken, err))