diff --git a/.gitignore b/.gitignore
index 9d6b1a6a..1b3982e3 100644
--- a/.gitignore
+++ b/.gitignore
@@ -30,3 +30,5 @@ buck-out
 **/*.gresource
 monobean/resources/lib
 
+# Temporary test cache dir
+/tests/.cache_tmp
\ No newline at end of file
diff --git a/gemini/src/lfs/mod.rs b/gemini/src/lfs/mod.rs
index d1638d3c..f4249c58 100644
--- a/gemini/src/lfs/mod.rs
+++ b/gemini/src/lfs/mod.rs
@@ -16,8 +16,9 @@ use crate::{
 /// - `file_size`: file_size  
 /// - `origin`: origin  
 ///
-/// for example
-/// ```
+/// ## Example
+/// Here is an example of the JSON payload:
+/// ```json
 /// {
 ///  "bootstrap_node":"https://gitmono.org/relay",
 ///  "file_hash":"52c90a86cb034b7a1c4beb79304fa76bd0a6cbb7b168c3a935076c714bd1c6b6",
@@ -70,7 +71,7 @@ pub async fn share_lfs(
 /// - `file_hash`: file_hash
 ///
 /// for example
-/// ```
+/// ```json
 /// {
 ///  "bootstrap_node":"https://gitmono.org/relay",
 ///  "file_hash":"52c90a86cb034b7a1c4beb79304fa76bd0a6cbb7b168c3a935076c714bd1c6b6",
@@ -109,7 +110,7 @@ pub async fn get_lfs_chunks_info(bootstrap_node: String, file_hash: String) -> O
 /// - `file_uri`: file_uri  
 ///
 /// for example
-/// ```
+/// ```json
 /// {
 ///  "bootstrap_node":"https://gitmono.org/relay",
 ///  "ztm_agent_port":777,
diff --git a/mercury/src/internal/object/tree.rs b/mercury/src/internal/object/tree.rs
index 14ae5392..dd558396 100644
--- a/mercury/src/internal/object/tree.rs
+++ b/mercury/src/internal/object/tree.rs
@@ -149,22 +149,7 @@ impl Display for TreeItem {
 }
 
 impl TreeItem {
-    /// Create a new TreeItem from a mode, id and name
-    ///
-    /// # Example
-    /// ```rust
-    /// use venus::internal::object::tree::{TreeItem, TreeItemMode};
-    /// use venus::hash::SHA1;
-    ///
-    /// // Create an empty TreeItem with the default Hash
-    /// let default_item = TreeItem::new(TreeItemMode::Blob, SHA1::default(), String::new());
-    ///
-    /// // Create a blob TreeItem with a custom Hash, and file name
-    /// let file_item = TreeItem::new(TreeItemMode::Blob, SHA1::new_from_str("1234567890abcdef1234567890abcdef12345678"), String::from("hello.txt"));
-    ///
-    /// // Create a tree TreeItem with a custom Hash, and directory name
-    /// let dir_item = TreeItem::new(TreeItemMode::Tree, SHA1::new_from_str("1234567890abcdef1234567890abcdef12345678"), String::from("data"));
-    /// ```
+    // Create a new TreeItem from a mode, id and name
     pub fn new(mode: TreeItemMode, id: SHA1, name: String) -> Self {
         TreeItem { mode, id, name }
     }
@@ -206,8 +191,8 @@ impl TreeItem {
     /// Convert a TreeItem to a byte vector
     /// ```rust
     /// use std::str::FromStr;
-    /// use venus::internal::object::tree::{TreeItem, TreeItemMode};
-    /// use venus::hash::SHA1;
+    /// use mercury::internal::object::tree::{TreeItem, TreeItemMode};
+    /// use mercury::hash::SHA1;
     ///
     /// let tree_item = TreeItem::new(
     ///     TreeItemMode::Blob,