diff --git a/index.html b/index.html
index 9b4b066..a008032 100644
--- a/index.html
+++ b/index.html
@@ -176,13 +176,18 @@ function selectFolder(id) {
 
 async function createFolder() {
   const name = prompt('Название папки:');
-  if (!name) return;
-  await fetch('/api/folders', {
-    method: 'POST',
-    headers: { 'Content-Type': 'application/json' },
-    body: JSON.stringify({ name })
-  });
-  await loadFolders();
+  if (!name || !name.trim()) return;
+  try {
+    const res = await fetch('/api/folders', {
+      method: 'POST',
+      headers: { 'Content-Type': 'application/json' },
+      body: JSON.stringify({ name: name.trim() })
+    });
+    if (!res.ok) throw new Error('Ошибка: ' + res.status);
+    await loadFolders();
+  } catch (err) {
+    alert('Не удалось создать папку: ' + err.message);
+  }
 }
 
 async function deleteFolder(id) {
diff --git a/package-lock.json b/package-lock.json
new file mode 100644
index 0000000..3c19e4d
--- /dev/null
+++ b/package-lock.json
@@ -0,0 +1,10 @@
+{
+  "name": "file-library",
+  "lockfileVersion": 3,
+  "requires": true,
+  "packages": {
+    "": {
+      "name": "file-library"
+    }
+  }
+}