diff --git a/src/v.rs b/src/v.rs
index e855202..3465f50 100644
--- a/src/v.rs
+++ b/src/v.rs
@@ -3,158 +3,173 @@ use zed::{CodeLabel, CodeLabelSpan, LanguageServerId};
 use zed_extension_api::{self as zed, Result};
 
 struct VExtension {
-	current_version: String,
-	cached_binary_path: Option<String>
+    current_version: String,
+    cached_binary_path: Option<String>,
 }
 
+// -------------------- fallback: local vls --------------------
 fn try_local_install<T>(err: T, worktree: &zed::Worktree) -> Result<String, T> {
-	if let Some(path) = worktree.which("v-analyzer") {
-		return Ok(path);
-	}
-	return Err(err);
+    // 先尝试 ~/.vmodules/vls/vls
+    let home_dir = std::env::var("HOME").unwrap_or_else(|_| ".".into());
+    let local_vls = format!("{home}/.vmodules/vls/vls", home = home_dir);
+
+    if fs::metadata(&local_vls).map_or(false, |s| s.is_file()) {
+        return Ok(local_vls);
+    }
+
+    // 再尝试 PATH 中是否可找到 vls
+    if let Some(path) = worktree.which("vls") {
+        return Ok(path);
+    }
+    Err(err)
 }
 
+// -------------------- main resolver --------------------
 fn language_server_binary_path_no_fallback(
-	selff: &mut VExtension,
-	language_server_id: &LanguageServerId,
-	worktree: &zed::Worktree,
+    selff: &mut VExtension,
+    language_server_id: &LanguageServerId,
+    worktree: &zed::Worktree,
 ) -> Result<String> {
-	if let Some(cache) = selff.cached_binary_path.clone() {
-		if let Some(local) = worktree.which("v-analyzer") {
-			if local != cache && fs::metadata(&cache).map_or(false, |stat| stat.is_file()) {
-				return Ok(cache);
-			}
-		} else {
-			return Ok(cache);
-		}
-	}
-
-	let (platform, arch) = zed::current_platform();
-	zed::set_language_server_installation_status(
-		&language_server_id,
-		&zed::LanguageServerInstallationStatus::CheckingForUpdate,
-	);
-
-	let asset_name = format!(
-		"v-analyzer-{os}-{arch}{extension}",
-		arch = match arch {
-			zed::Architecture::Aarch64 => "arm64",
-			zed::Architecture::X86 => "x86",
-			zed::Architecture::X8664 => "x86_64",
-		},
-		os = match platform {
-			zed::Os::Mac => "darwin",
-			zed::Os::Linux => "linux",
-			zed::Os::Windows => "windows",
-		},
-		extension = match platform {
-			zed::Os::Windows => ".exe",
-			_ => ""
-		},
-	);
-	
-	let release = zed::latest_github_release(
-		"lv37/v-analyzer",
-		zed::GithubReleaseOptions {
-			require_assets: true,
-			pre_release: false,
-		},
-	)?;
-	
-	let asset = release
-		.assets
-		.iter()
-		.find(|asset| asset.name == asset_name)
-		.ok_or_else(|| format!("no asset found matching {:?}", asset_name))?;
-
-
-	if selff.current_version != asset.download_url || !fs::metadata(&asset_name).map_or(false, |stat| stat.is_file()) {
-		zed::set_language_server_installation_status(
-			&language_server_id,
-			&zed::LanguageServerInstallationStatus::Downloading,
-		);
-
-		zed::download_file(
-			&asset.download_url,
-			&asset_name,
-			zed::DownloadedFileType::Uncompressed,
-		)
-		.map_err(|e| format!("failed to download file: {e}"))?;
-
-		zed::make_file_executable(&asset_name)?;
-
-		let entries =
-			fs::read_dir(".").map_err(|e| format!("failed to list working directory {e}"))?;
-		for entry in entries {
-			let entry = entry.map_err(|e| format!("failed to load directory entry {e}"))?;
-			if entry.file_name().to_str() != Some(&asset_name) {
-				fs::remove_dir_all(&entry.path()).ok();
-			}
-		}
-	}
-	selff.cached_binary_path = Some(asset_name.clone());
-	selff.current_version = release.version;
-	Ok(asset_name)
+    // 复用缓存
+    if let Some(cache) = selff.cached_binary_path.clone() {
+        if let Some(local) = worktree.which("vls") {
+            if local != cache && fs::metadata(&cache).map_or(false, |s| s.is_file()) {
+                return Ok(cache);
+            }
+        } else {
+            return Ok(cache);
+        }
+    }
+
+    let (platform, arch) = zed::current_platform();
+    zed::set_language_server_installation_status(
+        &language_server_id,
+        &zed::LanguageServerInstallationStatus::CheckingForUpdate,
+    );
+
+    let asset_name = format!(
+        "vls-{os}-{arch}{extension}",
+        arch = match arch {
+            zed::Architecture::Aarch64 => "arm64",
+            zed::Architecture::X86 => "x86",
+            zed::Architecture::X8664 => "x86_64",
+        },
+        os = match platform {
+            zed::Os::Mac => "darwin",
+            zed::Os::Linux => "linux",
+            zed::Os::Windows => "windows",
+        },
+        extension = match platform {
+            zed::Os::Windows => ".exe",
+            _ => "",
+        },
+    );
+
+    let release = zed::latest_github_release(
+        "vlang/vls",
+        zed::GithubReleaseOptions {
+            require_assets: true,
+            pre_release: false,
+        },
+    )?;
+
+    let asset = release
+        .assets
+        .iter()
+        .find(|asset| asset.name == asset_name)
+        .ok_or_else(|| format!("no asset found matching {:?}", asset_name))?;
+
+    if selff.current_version != asset.download_url
+        || !fs::metadata(&asset_name).map_or(false, |s| s.is_file())
+    {
+        zed::set_language_server_installation_status(
+            &language_server_id,
+            &zed::LanguageServerInstallationStatus::Downloading,
+        );
+
+        zed::download_file(
+            &asset.download_url,
+            &asset_name,
+            zed::DownloadedFileType::Uncompressed,
+        )
+        .map_err(|e| format!("failed to download file: {e}"))?;
+
+        zed::make_file_executable(&asset_name)?;
+
+        let entries =
+            fs::read_dir(".").map_err(|e| format!("failed to list working directory {e}"))?;
+        for entry in entries {
+            let entry = entry.map_err(|e| format!("failed to load directory entry {e}"))?;
+            if entry.file_name().to_str() != Some(&asset_name) {
+                fs::remove_dir_all(&entry.path()).ok();
+            }
+        }
+    }
+
+    selff.cached_binary_path = Some(asset_name.clone());
+    selff.current_version = release.version;
+    Ok(asset_name)
 }
 
+// -------------------- VExtension impl --------------------
 impl VExtension {
-	fn language_server_binary_path(
-		&mut self,
-		language_server_id: &LanguageServerId,
-		worktree: &zed::Worktree,
-	) -> Result<String> {
-		return language_server_binary_path_no_fallback(self, language_server_id, worktree)
-			.or_else(|a| try_local_install(a, worktree));
-	}
+    fn language_server_binary_path(
+        &mut self,
+        language_server_id: &LanguageServerId,
+        worktree: &zed::Worktree,
+    ) -> Result<String> {
+        language_server_binary_path_no_fallback(self, language_server_id, worktree)
+            .or_else(|a| try_local_install(a, worktree))
+    }
 }
 
 impl zed::Extension for VExtension {
-	fn new() -> Self {
-		Self {
-			cached_binary_path: None,
-			current_version: "".to_string()
-		}
-	}
-
-	fn language_server_command(
-		&mut self,
-		language_server_id: &LanguageServerId,
-		worktree: &zed::Worktree,
-	) -> Result<zed::Command> {
-		Ok(zed::Command {
-			command: self.language_server_binary_path(language_server_id, worktree)?,
-			args: vec![],
-			env: Default::default(),
-		})
-	}
-
-	fn label_for_completion(
-		&self,
-		_language_server_id: &LanguageServerId,
-		completion: zed::lsp::Completion,
-	) -> Option<zed::CodeLabel> {
-		let (label, start_idx) = match (completion.kind, completion.detail) {
-			(_, None) => (completion.label, 0),
-			(Some(zed::lsp::CompletionKind::Function), Some(a)) => (a, 3),
-			(Some(zed::lsp::CompletionKind::Method), Some(a)) => {
-				let pure = after_first(&a, ')').unwrap_or(a)[1..].to_string();
-				(format!("fn {}", pure), 3)
-			}
-			(_, Some(a)) => (format!("{} {}", completion.label, a), 0),
-		};
-
-		Some(CodeLabel {
-			spans: vec![CodeLabelSpan::code_range(start_idx..label.len())],
-			filter_range: (0..(label.len() - start_idx)).into(),
-			code: label,
-		})
-	}
+    fn new() -> Self {
+        Self {
+            cached_binary_path: None,
+            current_version: "".to_string(),
+        }
+    }
+
+    fn language_server_command(
+        &mut self,
+        language_server_id: &LanguageServerId,
+        worktree: &zed::Worktree,
+    ) -> Result<zed::Command> {
+        Ok(zed::Command {
+            command: self.language_server_binary_path(language_server_id, worktree)?,
+            args: vec![],
+            env: Default::default(),
+        })
+    }
+
+    fn label_for_completion(
+        &self,
+        _language_server_id: &LanguageServerId,
+        completion: zed::lsp::Completion,
+    ) -> Option<zed::CodeLabel> {
+        let (label, start_idx) = match (completion.kind, completion.detail) {
+            (_, None) => (completion.label, 0),
+            (Some(zed::lsp::CompletionKind::Function), Some(a)) => (a, 3),
+            (Some(zed::lsp::CompletionKind::Method), Some(a)) => {
+                let pure = after_first(&a, ')').unwrap_or(a)[1..].to_string();
+                (format!("fn {}", pure), 3)
+            }
+            (_, Some(a)) => (format!("{} {}", completion.label, a), 0),
+        };
+
+        Some(CodeLabel {
+            spans: vec![CodeLabelSpan::code_range(start_idx..label.len())],
+            filter_range: (0..(label.len() - start_idx)).into(),
+            code: label,
+        })
+    }
 }
 
 fn after_first(in_string: &str, delim: char) -> Option<String> {
-	let mut splitter = in_string.splitn(2, delim);
-	splitter.next()?;
-	Some(splitter.next()?.to_string())
+    let mut splitter = in_string.splitn(2, delim);
+    splitter.next()?;
+    Some(splitter.next()?.to_string())
 }
 
 zed::register_extension!(VExtension);