diff --git a/index.html b/index.html
index 399c876..25e7aa6 100644
--- a/index.html
+++ b/index.html
@@ -38,8 +38,8 @@
       <div class="flex flex-col gap-2">
         <label class="text-xs text-neutral-400 uppercase tracking-wider">model</label>
         <select id="sel-model" class="border border-neutral-300 rounded-lg px-3 py-2 bg-white focus:outline-none focus:ring-2 focus:ring-neutral-400">
+          <option value="bytedance-seed/seedream-4.5" selected>Seedream 4.5</option>
           <option value="google/gemini-3.1-flash-image-preview">Gemini 3.1 Flash Image</option>
-          <option value="bytedance-seed/seedream-4.5">Seedream 4.5</option>
         </select>
       </div>
 
@@ -52,7 +52,7 @@
       <div class="grid grid-cols-2 gap-4">
         <div class="flex flex-col gap-2">
           <label class="text-xs text-neutral-400 uppercase tracking-wider">frames</label>
-          <input id="inp-frames" type="number" value="4" min="2" max="24" class="border border-neutral-300 rounded-lg px-3 py-2 focus:outline-none focus:ring-2 focus:ring-neutral-400">
+          <input id="inp-frames" type="number" value="2" min="2" max="24" class="border border-neutral-300 rounded-lg px-3 py-2 focus:outline-none focus:ring-2 focus:ring-neutral-400">
         </div>
         <div class="flex flex-col gap-2">
           <label class="text-xs text-neutral-400 uppercase tracking-wider">fps</label>
@@ -79,9 +79,7 @@
 
       <label class="flex items-start gap-3 border border-neutral-200 rounded-xl px-3 py-3">
         <input id="chk-semi-transparent" type="checkbox" class="mt-1 h-4 w-4 accent-neutral-800">
-        <span class="text-sm text-neutral-600 leading-snug">
-          semi-transparent (remove bg per frame + export animated webp)
-        </span>
+        <span class="text-sm text-neutral-600 leading-snug">semi-transparent</span>
       </label>
 
       <button id="btn-generate" class="bg-neutral-800 text-white rounded-lg px-6 py-3 hover:bg-neutral-700 transition flex items-center justify-center gap-2 text-lg">