diff --git a/img-better.js b/img-better.js
index 48c97c18a045ddc585524710a43184affb09c4d4..7eb811054b1c92906b6636f0fa7f522671dd5dab 100644
--- a/img-better.js
+++ b/img-better.js
@@ -15,9 +15,9 @@ function betterImg(img, tmpDir) {
     fname = path.join(tmpDir, fname)
     fs.writeFileSync(fname, img)
     fnamePng = fname.slice(0, -4) + '-conv.png'
-    fnameFs8 = fnamePng.slice(0, -4) + '-fs8.png'
+    fnameFs8 = fnamePng.slice(0, -4) + '-comp.png'
     chp.spawnSync('magick', ['convert', fname, fnamePng])
-    chp.spawnSync('pngquant', ['8', fnamePng])
+    chp.spawnSync('pngquant', ['8', fnamePng, '-o', fnameFs8])
     if(fs.existsSync(fnameFs8)) {
         img = fs.readFileSync(fnameFs8)
         safeUnlink(fnameFs8)
diff --git a/kaggle.js b/kaggle.js
index 50799e7f4cdc39914294981465d4e57493ed8b73..9f56a12f6b1dc56d9b93ad035b77eeda088bf0f2 100644
--- a/kaggle.js
+++ b/kaggle.js
@@ -46,7 +46,7 @@ function processImg(html, pageUrl, imgs) {
             
             if(!imgs.has(picname)) {
                 var data = request('GET', url).getBody();
-                data = betterImg(data, 'tmp')
+                data = betterImg(data)
                 imgs.set(picname, data);
             }
             
@@ -103,7 +103,6 @@ function main() {
     var toc = getToc(id)
     var articles = []
     var imgs = new Map()
-    safeMkDir('tmp')
     for(var it of toc) {
         
         var prefix = 'https://www.kaggle.com'