diff --git a/src/constants.rs b/src/constants.rs
index 5e6e037..1b8b1fb 100644
--- a/src/constants.rs
+++ b/src/constants.rs
@@ -50,6 +50,9 @@ pub const DOT_CARGO: &str = ".cargo";
 /// `${CARGO_HOME}/.cargo` 目录下的 `config` 文件
 pub const CONFIG: &str = "config";
 
+/// `${CARGO_HOME}/.cargo` 目录下的 `config` 文件
+pub const CONFIG_TOML: &str = "config.toml";
+
 /// `dl`
 pub const DL: &str = "dl";
 
diff --git a/src/utils.rs b/src/utils.rs
index b80bdad..3705ac8 100644
--- a/src/utils.rs
+++ b/src/utils.rs
@@ -19,7 +19,7 @@ use std::{
 
 use ureq::Error;
 
-use crate::constants::{CARGO_CONFIG_PATH, CARGO_HOME, CONFIG, DOT_CARGO, UNC_PREFIX};
+use crate::constants::{CARGO_CONFIG_PATH, CARGO_HOME, CONFIG, CONFIG_TOML, DOT_CARGO, UNC_PREFIX};
 
 pub fn home_dir() -> PathBuf {
     env::home_dir().unwrap()
@@ -35,6 +35,9 @@ pub fn cargo_home() -> PathBuf {
 pub fn cargo_config_path() -> PathBuf {
     let mut c = cargo_home();
     c.push(CONFIG);
+    if !c.exists() {
+        c.set_file_name(CONFIG_TOML);
+    }
 
     c
 }