diff --git a/src/renderer/src/components/ChatPanel.vue b/src/renderer/src/components/ChatPanel.vue
index a3f8bfc..4eef92d 100644
--- a/src/renderer/src/components/ChatPanel.vue
+++ b/src/renderer/src/components/ChatPanel.vue
@@ -677,6 +677,7 @@ onUnmounted(() => {
         <textarea
           v-model="question"
           class="q-input"
+          rows="1"
           :disabled="batchRunning"
           :placeholder="pendingImage ? '针对这张照片提问，留空则默认描述图片…' : '输入问题，Enter 发送，Shift+Enter 换行…'"
           @keydown="handleEnter"
@@ -868,7 +869,7 @@ onUnmounted(() => {
 
 .q-input {
   width: 100%; box-sizing: border-box;
-  height: 96px;
+  height: 96px; min-height: 0;
   border: 2px solid var(--line-2); border-radius: var(--radius);
   padding: 16px 20px; font-family: inherit;
   font-size: 20px; line-height: 1.5; resize: none;