diff --git a/frontend/src/components/agent/ChatInput.vue b/frontend/src/components/agent/ChatInput.vue
index 32dc272..0dff8f5 100644
--- a/frontend/src/components/agent/ChatInput.vue
+++ b/frontend/src/components/agent/ChatInput.vue
@@ -34,8 +34,10 @@ function focus() {
   inputEl.value?.focus()
 }
 
+const isMobile = () => window.innerWidth < 480
+
 watch(() => props.autofocus, async (v) => {
-  if (v) {
+  if (v && !isMobile()) {
     await nextTick()
     focus()
   }
diff --git a/frontend/src/components/agent/PromptBar.vue b/frontend/src/components/agent/PromptBar.vue
index 1b0fc14..44d771f 100644
--- a/frontend/src/components/agent/PromptBar.vue
+++ b/frontend/src/components/agent/PromptBar.vue
@@ -651,7 +651,7 @@ watch(() => props.visible, async (v) => {
     await nextTick()
     if (props.startRecording) {
       handleMic()
-    } else {
+    } else if (window.innerWidth >= 480) {
       chatInputEl.value?.focus()
     }
   } else {