diff --git a/src/request/fast.rs b/src/request/fast.rs
index be86625..8465294 100644
--- a/src/request/fast.rs
+++ b/src/request/fast.rs
@@ -316,7 +316,7 @@ pub fn sync_fast(
         let uri = Url::from_file_path(path.to_string()).unwrap();
         let file_id = backend.server.srcs.get_id(&uri);
         if let Some(file) = backend.server.srcs.get_file(file_id) {
-            let _ = file.read().unwrap();
+            let _unused = file.read().unwrap();
         }
     }
 
diff --git a/src/server.rs b/src/server.rs
index 9b286f1..295b15f 100644
--- a/src/server.rs
+++ b/src/server.rs
@@ -187,10 +187,6 @@ impl LanguageServer for Backend {
         });
 
         let root_uri = &params.root_uri;
-        if root_uri.is_none() {
-            self.client.show_message(MessageType::ERROR, "LSP 启动失败，原因: 没有找到启动的 workspaceFolder").await;
-            return Ok(InitializeResult::default());
-        }
 
         let mut configure = self.server.conf.write().unwrap();
         configure.workspace_folder = root_uri.clone();
diff --git a/src/sources.rs b/src/sources.rs
index d1a1f72..48b5091 100644
--- a/src/sources.rs
+++ b/src/sources.rs
@@ -192,8 +192,7 @@ fn find_src_paths(dirs: &[PathBuf]) -> Vec<PathBuf> {
             if entry.file_type().is_file() && entry.path().extension().is_some() {
                 let extension = entry.path().extension().unwrap();
 
-                if extension == "sv" || extension == "svh" || extension == "v" || extension == "vh"
-                {
+                if extension == "sv" || extension == "svh" || extension == "v" || extension == "vh" {
                     let entry_path = entry.path().to_path_buf();
                     if !paths.contains(&entry_path) {
                         paths.push(entry_path);