diff --git a/assets/index.js b/assets/index.js
index fe33786..3e01af1 100644
--- a/assets/index.js
+++ b/assets/index.js
@@ -260,12 +260,14 @@ class Uploader {
 
   progress(event) {
     const now = Date.now();
-    const speed = (event.loaded - this.uploaded) / (now - this.lastUptime) * 1000;
+    const elapsed = now - this.lastUptime;
+    if (elapsed < 300) return; // throttle update for safari
+    const speed = (event.loaded - this.uploaded) / elapsed * 1000;
     const [speedValue, speedUnit] = formatFileSize(speed);
     const speedText = `${speedValue} ${speedUnit}/s`;
     const progress = formatPercent(((event.loaded + this.uploadOffset) / this.file.size) * 100);
     const duration = formatDuration((event.total - event.loaded) / speed);
-    this.$uploadStatus.innerHTML = `<span style="width: 80px;">${speedText}</span><span>${progress} ${duration}</span>`;
+    this.$uploadStatus.innerHTML = `<span style="width: 80px;">${speedText}</span><span style="margin-left: 5px;">${progress} ${duration}</span>`;
     this.uploaded = event.loaded;
     this.lastUptime = now;
   }
@@ -935,11 +937,14 @@ function formatFileSize(size) {
   const sizes = ['B', 'KB', 'MB', 'GB', 'TB'];
   if (size == 0) return [0, "B"];
   const i = parseInt(Math.floor(Math.log(size) / Math.log(1024)));
-  let ratio = 1;
-  if (i >= 3) {
-    ratio = 100;
+  const raw = size / Math.pow(1024, i);
+  let value;
+  if (i > 0 && raw < 999.95) {
+    value = Math.round(raw * 10) / 10;
+  } else {
+    value = Math.round(raw);
   }
-  return [Math.round(size * ratio / Math.pow(1024, i), 2) / ratio, sizes[i]];
+  return [value, sizes[i]];
 }
 
 function formatDuration(seconds) {
diff --git a/src/server.rs b/src/server.rs
index cc2fbec..b61224e 100644
--- a/src/server.rs
+++ b/src/server.rs
@@ -579,7 +579,7 @@ impl Server {
         res: &mut Response,
     ) -> Result<()> {
         let mut paths = vec![];
-        if exist {
+        if !head_only && exist {
             paths = match self.list_dir(path, path, access_paths.clone()).await {
                 Ok(paths) => paths,
                 Err(_) => {
@@ -618,14 +618,15 @@ impl Server {
             return self
                 .handle_ls_dir(path, true, query_params, head_only, user, access_paths, res)
                 .await;
-        } else {
+        }
+
+        if !head_only {
             let path_buf = path.to_path_buf();
             let hidden = Arc::new(self.args.hidden.to_vec());
             let search = search.clone();
 
-            let access_paths = access_paths.clone();
             let search_paths = tokio::spawn(collect_dir_entries(
-                access_paths,
+                access_paths.clone(),
                 self.running.clone(),
                 path_buf,
                 hidden,