diff --git a/markbase-core/src/cli/interface/webdav.rs b/markbase-core/src/cli/interface/webdav.rs
index 2d4c7f6..484a7f0 100644
--- a/markbase-core/src/cli/interface/webdav.rs
+++ b/markbase-core/src/cli/interface/webdav.rs
@@ -2,7 +2,6 @@ use axum::{extract::Request, response::IntoResponse, Extension};
 use clap::Subcommand;
 use dav_server::{fakels::FakeLs, DavHandler};
 use std::path::PathBuf;
-use std::sync::Arc;
 
 #[derive(Subcommand)]
 pub enum WebdavCommand {
diff --git a/markbase-core/src/ssh_server/channel.rs b/markbase-core/src/ssh_server/channel.rs
index 004341b..9c09e95 100644
--- a/markbase-core/src/ssh_server/channel.rs
+++ b/markbase-core/src/ssh_server/channel.rs
@@ -1340,7 +1340,7 @@ impl ChannelManager {
 
     /// ⭐⭐⭐⭐⭐ Phase 17: Check if a specific channel has an exec process
     pub fn channel_has_exec_process(&self, channel_id: u32) -> bool {
-        self.channels.get(&channel_id).map_or(false, |ch| ch.exec_process.is_some())
+        self.channels.get(&channel_id).is_some_and(|ch| ch.exec_process.is_some())
     }
 
     /// 获取channel输出（Phase 6新增）
@@ -2053,8 +2053,8 @@ impl ChannelManager {
                     }
                 }
             }
-        } else if command.contains("rsync") {
-            if command.contains("--server") {
+        } else if command.contains("rsync")
+            && command.contains("--server") {
                 let parts: Vec<&str> = command.split_whitespace().collect();
                 for part in parts.iter().rev() {
                     if !part.starts_with("-") && !part.contains("--") && *part != "rsync" && *part != "--server" && *part != "--sender" {
@@ -2062,7 +2062,6 @@ impl ChannelManager {
                     }
                 }
             }
-        }
         None
     }
 }
diff --git a/markbase-core/src/ssh_server/cipher.rs b/markbase-core/src/ssh_server/cipher.rs
index fb4e581..a9b07f4 100644
--- a/markbase-core/src/ssh_server/cipher.rs
+++ b/markbase-core/src/ssh_server/cipher.rs
@@ -13,7 +13,6 @@ use chacha20poly1305::{
     ChaCha20Poly1305, Key as ChaKey, Nonce as ChaNonce, // Phase 5: ChaCha20-Poly1305 AEAD
 };
 use anyhow::{anyhow, Result};
-use byteorder::{BigEndian, WriteBytesExt};
 use cipher::{KeyIvInit, StreamCipher};
 use ctr::Ctr128BE;
 use hmac::{Hmac, Mac};
@@ -1046,7 +1045,7 @@ impl EncryptedPacket {
                 let cipher = Aes256GcmAead::new_from_slice(&key_bytes[..32])
                     .map_err(|e| anyhow!("AES-GCM key init failed: {}", e))?;
                 let nonce = Nonce::from_slice(&prep.nonce_bytes);
-                let packet_length_bytes = (prep.packet_length as u32).to_be_bytes();
+                let packet_length_bytes = prep.packet_length.to_be_bytes();
                 let ciphertext = cipher
                     .encrypt(
                         nonce,
@@ -1068,7 +1067,7 @@ impl EncryptedPacket {
 
             // Full packet: [packet_length (plaintext)] [ciphertext (payload + padding + tag)]
             let mut full_buf = SshBuf::with_capacity(4 + ciphertext.len());
-            full_buf.put(&(prep.packet_length as u32).to_be_bytes())?;
+            full_buf.put(&prep.packet_length.to_be_bytes())?;
             full_buf.put(&ciphertext)?;
 
             packets.push(Self {
diff --git a/markbase-core/src/ssh_server/sshbuf.rs b/markbase-core/src/ssh_server/sshbuf.rs
index 3dc4b25..109f74b 100644
--- a/markbase-core/src/ssh_server/sshbuf.rs
+++ b/markbase-core/src/ssh_server/sshbuf.rs
@@ -261,8 +261,8 @@ impl SshBuf {
 
     /// 消费内部 Vec，提取有效数据（零拷贝）
     /// 相当于 OpenSSH sshbuf_free() 但返回数据
-    pub fn into_vec(mut self) -> Vec<u8> {
-        let len = self.len();
+    pub fn into_vec(self) -> Vec<u8> {
+        let _len = self.len();
         if self.off == 0 && self.size == self.data.len() {
             // 正好是完整 buffer，直接返回
             self.data
diff --git a/markbase-core/src/ssh_server/upload_hook.rs b/markbase-core/src/ssh_server/upload_hook.rs
index 7db5eaf..8047877 100644
--- a/markbase-core/src/ssh_server/upload_hook.rs
+++ b/markbase-core/src/ssh_server/upload_hook.rs
@@ -1,7 +1,7 @@
 use std::path::{Path, PathBuf};
 use std::process::Command;
 use anyhow::{anyhow, Result};
-use log::{info, warn, error};
+use log::{info, error};
 
 pub struct UploadHook {
     enabled: bool,
diff --git a/markbase-core/src/vfs/smb_fs.rs b/markbase-core/src/vfs/smb_fs.rs
index fbcfd06..fa7a14d 100644
--- a/markbase-core/src/vfs/smb_fs.rs
+++ b/markbase-core/src/vfs/smb_fs.rs
@@ -124,7 +124,7 @@ impl VfsBackend for SmbVfs {
         let mut tree = self.tree.lock().map_err(|e| VfsError::Io(e.to_string()))?;
         let entries = self
             .runtime
-            .block_on(client.list_directory(&mut *tree, &smb_path))
+            .block_on(client.list_directory(&mut tree, &smb_path))
             .map_err(map_smb_error)?;
 
         Ok(entries
@@ -171,7 +171,7 @@ impl VfsBackend for SmbVfs {
         } else {
             let data = self
                 .runtime
-                .block_on(client.read_file(&mut *tree, &smb_path))
+                .block_on(client.read_file(&mut tree, &smb_path))
                 .map_err(map_smb_error)?;
             let size = data.len() as u64;
             Ok(Box::new(SmbVfsFile {
@@ -198,7 +198,7 @@ impl VfsBackend for SmbVfs {
         let mut tree = self.tree.lock().map_err(|e| VfsError::Io(e.to_string()))?;
         let info = self
             .runtime
-            .block_on(client.stat(&mut *tree, &smb_path))
+            .block_on(client.stat(&mut tree, &smb_path))
             .map_err(map_smb_error)?;
 
         Ok(VfsStat {
@@ -225,7 +225,7 @@ impl VfsBackend for SmbVfs {
             .map_err(|e| VfsError::Io(e.to_string()))?;
         let mut tree = self.tree.lock().map_err(|e| VfsError::Io(e.to_string()))?;
         self.runtime
-            .block_on(client.create_directory(&mut *tree, &smb_path))
+            .block_on(client.create_directory(&mut tree, &smb_path))
             .map_err(map_smb_error)
     }
 
@@ -258,7 +258,7 @@ impl VfsBackend for SmbVfs {
             .map_err(|e| VfsError::Io(e.to_string()))?;
         let mut tree = self.tree.lock().map_err(|e| VfsError::Io(e.to_string()))?;
         self.runtime
-            .block_on(client.delete_directory(&mut *tree, &smb_path))
+            .block_on(client.delete_directory(&mut tree, &smb_path))
             .map_err(map_smb_error)
     }
 
@@ -270,7 +270,7 @@ impl VfsBackend for SmbVfs {
             .map_err(|e| VfsError::Io(e.to_string()))?;
         let mut tree = self.tree.lock().map_err(|e| VfsError::Io(e.to_string()))?;
         self.runtime
-            .block_on(client.delete_file(&mut *tree, &smb_path))
+            .block_on(client.delete_file(&mut tree, &smb_path))
             .map_err(map_smb_error)
     }
 
@@ -283,7 +283,7 @@ impl VfsBackend for SmbVfs {
             .map_err(|e| VfsError::Io(e.to_string()))?;
         let mut tree = self.tree.lock().map_err(|e| VfsError::Io(e.to_string()))?;
         self.runtime
-            .block_on(client.rename(&mut *tree, &smb_from, &smb_to))
+            .block_on(client.rename(&mut tree, &smb_from, &smb_to))
             .map_err(map_smb_error)
     }
 
@@ -436,7 +436,7 @@ impl VfsBackend for SmbVfs {
         let mut tree = self.tree.lock().map_err(|e| VfsError::Io(e.to_string()))?;
         let _info = self
             .runtime
-            .block_on(client.stat(&mut *tree, &smb_path))
+            .block_on(client.stat(&mut tree, &smb_path))
             .map_err(map_smb_error)?;
         Ok(path.to_path_buf())
     }
@@ -452,7 +452,7 @@ impl VfsBackend for SmbVfs {
             Err(_) => return false,
         };
         self.runtime
-            .block_on(client.stat(&mut *tree, &smb_path))
+            .block_on(client.stat(&mut tree, &smb_path))
             .is_ok()
     }
 
diff --git a/markbase-core/src/webdav.rs b/markbase-core/src/webdav.rs
index a4a1523..d9aa779 100644
--- a/markbase-core/src/webdav.rs
+++ b/markbase-core/src/webdav.rs
@@ -1,5 +1,5 @@
 use crate::vfs::open_flags::OpenFlags;
-use crate::vfs::{VfsBackend, VfsDirEntry, VfsStat};
+use crate::vfs::{VfsBackend, VfsStat};
 use crate::ssh_server::upload_hook::UploadHook;
 use bytes::{Buf, Bytes};
 use dav_server::davpath::DavPath;