From 4071fdef8417b052163a192f7d043526c7db9821 Mon Sep 17 00:00:00 2001
From: lihan3238 <lihan3238@163.com>
Date: Fri, 8 May 2026 21:47:41 +0800
Subject: [PATCH] fix: apply default auth-dir when config value is empty

When auth-dir is not specified in config.yaml, ResolveAuthDir returns
an empty string which causes os.MkdirAll to fail with no path. Use
the documented default ~/.cli-proxy-api instead.

Fixes #3272
---
 internal/util/util.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/internal/util/util.go b/internal/util/util.go
index 9bf630f2..960a588b 100644
--- a/internal/util/util.go
+++ b/internal/util/util.go
@@ -75,7 +75,7 @@ func SetLogLevel(cfg *config.Config) {
 // It expands a leading tilde (~) to the user's home directory and returns a cleaned path.
 func ResolveAuthDir(authDir string) (string, error) {
 	if authDir == "" {
-		return "", nil
+		authDir = "~/.cli-proxy-api"
 	}
 	if strings.HasPrefix(authDir, "~") {
 		home, err := os.UserHomeDir()