diff --git a/internal/gateway/ui/index.html b/internal/gateway/ui/index.html
index abfc5a8..ed5fa0d 100644
--- a/internal/gateway/ui/index.html
+++ b/internal/gateway/ui/index.html
@@ -963,10 +963,11 @@ async function sendChat() {
     uimgBox.textContent = msg;
   }
 
-  const arow = addMsg('assistant', '');
+  const arow = addMsg('assistant', '', true);
   const abuf = arow.querySelector('.bmd');
   const thinkEl = arow.querySelector('.think');
   const hintEl = arow.querySelector('.tk-hint');
+  thinkEl.style.display = 'none';
   const cursor = document.createElement('span'); cursor.className = 'cursor-dot';
   abuf.appendChild(cursor);