diff --git a/cmd/config.go b/cmd/config.go
index b8c7561..647cd43 100644
--- a/cmd/config.go
+++ b/cmd/config.go
@@ -76,18 +76,22 @@ var (
 )
 
 func init() {
-	homeDir, err := utils.Home()
-	if err != nil {
-		log.Fatal("Retrieve home dir failed")
-	}
+	if configValue != "" {
+		yamlConfigPath = configValue
+	} else {
+		homeDir, err := utils.Home()
+		if err != nil {
+			log.Fatal("Retrieve home dir failed")
+		}
 
-	dir := filepath.Join(homeDir, ".tea")
-	err = os.MkdirAll(dir, os.ModePerm)
-	if err != nil {
-		log.Fatal("Init tea config dir", dir, "failed")
-	}
+		dir := filepath.Join(homeDir, ".tea")
+		err = os.MkdirAll(dir, os.ModePerm)
+		if err != nil {
+			log.Fatal("Init tea config dir", dir, "failed")
+		}
 
-	yamlConfigPath = filepath.Join(dir, "tea.yml")
+		yamlConfigPath = filepath.Join(dir, "tea.yml")
+	}
 }
 
 func splitRepo(repoPath string) (string, string) {
diff --git a/cmd/flags.go b/cmd/flags.go
index 7d740d9..97ec1c9 100644
--- a/cmd/flags.go
+++ b/cmd/flags.go
@@ -16,6 +16,7 @@ var (
 	loginValue  string
 	repoValue   string
 	outputValue string
+	configValue string
 )
 
 // LoginFlag provides flag to specify tea login profile
@@ -35,7 +36,14 @@ var RepoFlag = cli.StringFlag{
 // OutputFlag provides flag to specify output type
 var OutputFlag = cli.StringFlag{
 	Name:        "output, o",
-	Usage:       "Indicate one repository, optional when inside a gitea repository",
+	Usage:       "Specify output format. (csv, simple, table, tsv, yaml)",
+	Destination: &outputValue,
+}
+
+// ConfigFlag provides flag to specify output type
+var ConfigFlag = cli.StringFlag{
+	Name:        "config, c",
+	Usage:       "Specify tea.yml path",
 	Destination: &outputValue,
 }
 
@@ -44,6 +52,7 @@ var OutputFlag = cli.StringFlag{
 // subcommand to work around issue:
 // https://github.com/urfave/cli/issues/585
 var DefaultFlags = []cli.Flag{
+	ConfigFlag,
 	LoginFlag,
 	OutputFlag,
 }