diff --git a/src/store.rs b/src/store.rs
index 7812526..f0eb4cf 100644
--- a/src/store.rs
+++ b/src/store.rs
@@ -1,7 +1,9 @@
+use std::path::PathBuf;
+
 use super::utils::util;
 
 pub struct Store {
-    store_path: String,
+    store_path: PathBuf,
 }
 
 impl Store {
@@ -11,14 +13,14 @@ impl Store {
         }
         let store_path = util::get_storage_path().unwrap();
         Store {
-            store_path: store_path,
+            store_path,
         }
     }
     pub fn load(&self, hash: &String) -> String {
         /* 读取文件内容 */
         let mut path = self.store_path.clone();
-        path.push_str("/objects/");
-        path.push_str(hash);
+        path.push("objects");
+        path.push(hash);
         match std::fs::read_to_string(path) {
             Ok(content) => content,
             Err(_) => panic!("储存库疑似损坏，无法读取文件"),
@@ -26,11 +28,13 @@ impl Store {
     }
     pub fn save(&self, content: &String) -> String {
         /* 保存文件内容 */
+        println!("store_path: {:?}", self.store_path);
         let hash = util::calc_hash(content);
         let mut path = self.store_path.clone();
-
-        path.push_str("/objects/");
-        path.push_str(&hash);
+        println!("path: {:?}", path);
+        path.push("objects");
+        path.push(&hash);
+        println!("path: {:?}", path);
         match std::fs::write(path, content) {
             Ok(_) => hash,
             Err(_) => panic!("储存库疑似损坏，无法写入文件"),
diff --git a/src/utils/util.rs b/src/utils/util.rs
index f87f1d6..4b1d560 100644
--- a/src/utils/util.rs
+++ b/src/utils/util.rs
@@ -26,14 +26,14 @@ pub fn check_repo_exist() {
     }
 }
 
-pub fn get_storage_path() -> Result<String, std::io::Error> {
+pub fn get_storage_path() -> Result<PathBuf, std::io::Error> {
     /*递归获取储存库 */
     let mut current_dir = std::env::current_dir()?;
     loop {
         let mut git_path = current_dir.clone();
         git_path.push(".mit");
         if git_path.exists() {
-            return Ok(git_path.to_str().unwrap().to_string());
+            return  Ok(git_path);
         }
         if !current_dir.pop() {
             return Err(std::io::Error::new(
@@ -89,7 +89,7 @@ mod tests {
     fn test_get_storage_path() {
         let path = get_storage_path();
         match path {
-            Ok(path) => println!("{}", path),
+            Ok(path) => println!("{:?}", path),
             Err(err) => match err.kind() {
                 std::io::ErrorKind::NotFound => println!("Not a git repository"),
                 _ => assert!(false, "Unexpected error"),