diff --git a/kclvm/driver/src/kpm_metadata.rs b/kclvm/driver/src/kpm_metadata.rs
index 5f489beda..996d404fa 100644
--- a/kclvm/driver/src/kpm_metadata.rs
+++ b/kclvm/driver/src/kpm_metadata.rs
@@ -3,7 +3,6 @@ use kclvm_parser::LoadProgramOptions;
 use serde::{Deserialize, Serialize};
 use std::{collections::HashMap, env, iter, path::PathBuf, process::Command};
 
-
 const MANIFEST_FILE: &str = "kcl.mod";
 
 /// [`fill_pkg_maps_for_k_file`] will call `kpm metadata` to obtain the metadata
@@ -183,4 +182,4 @@ fn probe(path: PathBuf) -> Option<PathBuf> {
     iter::once(path)
         .chain(with_extension)
         .find(|it| it.is_file())
-}
\ No newline at end of file
+}
diff --git a/kclvm/driver/src/kpm_update.rs b/kclvm/driver/src/kpm_update.rs
index d791f17a3..56e673f0c 100644
--- a/kclvm/driver/src/kpm_update.rs
+++ b/kclvm/driver/src/kpm_update.rs
@@ -2,11 +2,10 @@ use anyhow::{bail, Result};
 use std::{path::PathBuf, process::Command};
 use crate::kpm_metadata::get_path_for_executable;
 
-
 const MANIFEST_FILE: &str = "kcl.mod";
 
-
-pub(crate) fn update_kcl_module(manifest_path: PathBuf) -> Result<()> {match lookup_the_nearest_file_dir(manifest_path.clone(), MANIFEST_FILE) {
+pub(crate) fn update_kcl_module(manifest_path: PathBuf) -> Result<()> {
+    match lookup_the_nearest_file_dir(manifest_path.clone(), MANIFEST_FILE) {
         Some(mod_dir) => {
             match Command::new(kcl())
                 .arg("mod")
@@ -26,7 +25,10 @@ pub(crate) fn update_kcl_module(manifest_path: PathBuf) -> Result<()> {match loo
                 Err(err) => bail!("update failed with error: {}", err),
             }
         }
-        None => bail!("Manifest file '{}' not found in directory hierarchy", MANIFEST_FILE),
+        None => bail!(
+            "Manifest file '{}' not found in directory hierarchy", 
+            MANIFEST_FILE
+        ),
     }
 }
 pub fn kcl() -> PathBuf {
@@ -47,7 +49,6 @@ pub(crate) fn lookup_the_nearest_file_dir(
         if found_path.is_file() {
             return current_dir.canonicalize().ok();
         }
-
         match current_dir.parent() {
             Some(parent) => current_dir = parent.to_path_buf(),
             None => return None,
diff --git a/kclvm/driver/src/tests.rs b/kclvm/driver/src/tests.rs
index 1c3406217..fe08f347f 100644
--- a/kclvm/driver/src/tests.rs
+++ b/kclvm/driver/src/tests.rs
@@ -1,6 +1,6 @@
+use super::*;
 use std::path::{Path, PathBuf};
 use std::{env, fs, panic};
-use super::*;
 
 use kclvm_config::modfile::get_vendor_home;
 use kclvm_config::settings::KeyValuePair;
@@ -383,32 +383,32 @@ fn test_get_pkg_list() {
 }
 
 #[cfg(test)]
-    // Define a mock structure to simulate the behavior of Command::output
-    struct MockCommand {
-        output: Result<MockCommandOutput, std::io::Error>,
-    }
-    // Define a mock structure to represent the output of Command::output
-    struct MockCommandOutput {
-        status: std::process::ExitStatus,
-        stderr: Vec<u8>,
-    }
+// Define a mock structure to simulate the behavior of Command::output
+ struct MockCommand {
+     output: Result<MockCommandOutput, std::io::Error>,
+}
+// Define a mock structure to represent the output of Command::output
+struct MockCommandOutput {
+     status: std::process::ExitStatus,
+     stderr: Vec<u8>,
+ }
 
-    #[test]
-    fn test_update_kcl_module_success() {
-        let manifest_path = PathBuf::from("path/to/manifest");
-        let result = update_kcl_module( manifest_path);
-        assert!(result.is_ok());
-    }
+#[test]
+fn test_update_kcl_module_success() {
+    let manifest_path = PathBuf::from("path/to/manifest");
+    let result = update_kcl_module( manifest_path);
+    assert!(result.is_ok()
+    );
+}
 
-    #[test]
-    fn test_update_kcl_module_failure() {
-        
-        let manifest_path = PathBuf::from("path/to/manifest");
-        fn mock_command_new_failing(_command: &str) -> MockCommand {
+#[test]
+fn test_update_kcl_module_failure() {
+    let manifest_path = PathBuf::from("path/to/manifest");
+    fn mock_command_new_failing(_command: &str) -> MockCommand {
             MockCommand {
                 output: Err(std::io::Error::new(std::io::ErrorKind::Other, "Command failed")),
             }
         }
-        let result = update_kcl_module( manifest_path);
-        assert!(result.is_err());
-    }
\ No newline at end of file
+    let result = update_kcl_module( manifest_path);
+    assert!(result.is_err());
+}
\ No newline at end of file