diff --git a/hpl-toolbox-0.1.0.vsix b/hpl-toolbox-0.1.1.vsix
similarity index 73%
rename from hpl-toolbox-0.1.0.vsix
rename to hpl-toolbox-0.1.1.vsix
index dc3ad22..6347af2 100644
Binary files a/hpl-toolbox-0.1.0.vsix and b/hpl-toolbox-0.1.1.vsix differ
diff --git a/package.json b/package.json
index 924220e..0aea6b0 100644
--- a/package.json
+++ b/package.json
@@ -2,7 +2,7 @@
   "name": "hpl-toolbox",
   "displayName": "HPL Toolbox",
   "description": "Bundled tools: PLEC Upload, AppLovin Demo Upload, Base64 Asset Scanner, Daily Update.",
-  "version": "0.1.0",
+  "version": "0.1.1",
   "publisher": "hesukastro",
   "engines": {
     "vscode": "^1.85.0"
diff --git a/src/tools/plecUpload.ts b/src/tools/plecUpload.ts
index 6cc6df8..2104147 100644
--- a/src/tools/plecUpload.ts
+++ b/src/tools/plecUpload.ts
@@ -20,6 +20,7 @@ export function openPlecUpload(_context: vscode.ExtensionContext) {
           canSelectMany: false,
           filters: { HTML: ['html', 'htm'] },
           openLabel: 'Select',
+          defaultUri: getPickerDefaultUri(),
         });
         if (picked && picked[0]) {
           const fp = picked[0].fsPath;
@@ -53,8 +54,6 @@ async function handleUpload(panel: vscode.WebviewPanel, rows: UploadRow[]) {
   const cfg = vscode.workspace.getConfiguration('hplToolbox.plec');
   const uploadUrl = cfg.get<string>('uploadUrl')!;
   const originUrl = cfg.get<string>('originUrl')!;
-  const previewBase = cfg.get<string>('previewBase')!;
-  const skipExistsCheck = cfg.get<boolean>('skipExistsCheck')!;
 
   const valid: UploadRow[] = [];
   for (const r of rows) {
@@ -77,22 +76,8 @@ async function handleUpload(panel: vscode.WebviewPanel, rows: UploadRow[]) {
     return;
   }
 
-  panel.webview.postMessage({ type: 'status', message: 'Checking filename availability...' });
-
-  if (!skipExistsCheck) {
-    for (const r of valid) {
-      const fname = path.basename(r.path);
-      const exists = await checkFileExists(previewBase + encodeURIComponent(fname));
-      if (exists === true) {
-        panel.webview.postMessage({
-          type: 'rowError',
-          rowId: r.id,
-          message: `Filename "${fname}" already exists on preview server. Rename and retry.`,
-        });
-        return;
-      }
-    }
-  }
+  const stamp = timestampSuffix();
+  const stampedNames = valid.map((r) => appendTimestamp(path.basename(r.path), stamp));
 
   panel.webview.postMessage({ type: 'status', message: 'Uploading...' });
 
@@ -101,7 +86,7 @@ async function handleUpload(panel: vscode.WebviewPanel, rows: UploadRow[]) {
     const r = valid[i];
     const idx = i + 1;
     const buf = fs.readFileSync(r.path);
-    const file = new File([buf], path.basename(r.path), { type: 'text/html' });
+    const file = new File([buf], stampedNames[i], { type: 'text/html' });
     form.append(`fileUpload_${idx}`, file as any);
     form.append(`iterationNameUpload_${idx}`, encodeURI(r.iteration.replace(/\s+/g, '')));
   }
@@ -147,15 +132,33 @@ async function handleUpload(panel: vscode.WebviewPanel, rows: UploadRow[]) {
   panel.webview.postMessage({ type: 'result', preview, raw: json, rawText: text });
 }
 
-async function checkFileExists(url: string): Promise<boolean | null> {
-  try {
-    const res = await fetch(url, { method: 'HEAD' });
-    if (res.status === 200) return true;
-    if (res.status === 404) return false;
-    return null;
-  } catch {
-    return null;
+function timestampSuffix(d: Date = new Date()): string {
+  const pad = (n: number, w = 2) => String(n).padStart(w, '0');
+  return (
+    d.getFullYear().toString() +
+    pad(d.getMonth() + 1) +
+    pad(d.getDate()) +
+    pad(d.getHours()) +
+    pad(d.getMinutes()) +
+    pad(d.getSeconds())
+  );
+}
+
+function appendTimestamp(filename: string, stamp: string): string {
+  const ext = path.extname(filename);
+  const base = ext ? filename.slice(0, -ext.length) : filename;
+  return `${base}_${stamp}${ext}`;
+}
+
+function getPickerDefaultUri(): vscode.Uri | undefined {
+  const folders = vscode.workspace.workspaceFolders;
+  if (!folders || folders.length === 0) return undefined;
+  const root = folders[0].uri.fsPath;
+  const dist = path.join(root, 'dist');
+  if (fs.existsSync(dist) && fs.statSync(dist).isDirectory()) {
+    return vscode.Uri.file(dist);
   }
+  return vscode.Uri.file(root);
 }
 
 function getHtml(): string {