diff --git a/lapce-proxy/src/buffer.rs b/lapce-proxy/src/buffer.rs
index fa9da0b9..68440ad0 100644
--- a/lapce-proxy/src/buffer.rs
+++ b/lapce-proxy/src/buffer.rs
@@ -1,14 +1,12 @@
 use anyhow::{anyhow, Result};
 use lapce_rpc::buffer::BufferId;
+use lsp_types::*;
 use std::ffi::OsString;
 use std::fs;
 use std::fs::File;
-use std::io::Read;
 use std::io::Write;
 use std::path::PathBuf;
 use std::{borrow::Cow, path::Path, time::SystemTime};
-
-use lsp_types::*;
 use xi_rope::{interval::IntervalBounds, rope::Rope, RopeDelta};
 
 #[derive(Clone)]
@@ -81,15 +79,13 @@ pub fn update(
         self.rev += 1;
         let content_change = get_document_content_changes(delta, self);
         self.rope = delta.apply(&self.rope);
-        let content_change = match content_change {
-            Some(content_change) => content_change,
-            None => TextDocumentContentChangeEvent {
+        Some(
+            content_change.unwrap_or_else(|| TextDocumentContentChangeEvent {
                 range: None,
                 range_length: None,
                 text: self.get_document(),
-            },
-        };
-        Some(content_change)
+            }),
+        )
     }
 
     pub fn get_document(&self) -> String {
@@ -131,17 +127,11 @@ pub fn is_empty(&self) -> bool {
 }
 
 pub fn load_file(path: &Path) -> Result<String> {
-    let mut f = File::open(path)?;
-    let mut bytes = Vec::new();
-    f.read_to_end(&mut bytes)?;
-    Ok(std::str::from_utf8(&bytes)?.to_string())
+    Ok(fs::read_to_string(path)?)
 }
 
 fn load_rope(path: &Path) -> Result<Rope> {
-    let mut f = File::open(path)?;
-    let mut bytes = Vec::new();
-    f.read_to_end(&mut bytes)?;
-    Ok(Rope::from(std::str::from_utf8(&bytes)?))
+    Ok(Rope::from(fs::read_to_string(path)?))
 }
 
 fn language_id_from_path(path: &Path) -> Option<&str> {