diff --git a/aiChat/components/bottomSend.vue b/aiChat/components/bottomSend.vue
index f7d1af4..884af87 100644
--- a/aiChat/components/bottomSend.vue
+++ b/aiChat/components/bottomSend.vue
@@ -23,10 +23,11 @@
         </view>
         <!-- 输入框 -->
         <view class="input-wrap flex-center-between">
-          <input
+          <textarea
             v-model.trim="prompt"
             :show-confirm-bar="false"
             :adjust-position="true"
+            :auto-height="true"
             :disabled="loading"
             :maxlength="-1"
             class="inp"
diff --git a/assets/css/aiChat.less b/assets/css/aiChat.less
index 9c249dd..43c318c 100644
--- a/assets/css/aiChat.less
+++ b/assets/css/aiChat.less
@@ -159,7 +159,7 @@ page {
 				display: flex;
 				align-items: center;
 				justify-content: space-between;
-				height: 100rpx;
+				min-height: 100rpx;
 				width: calc(100% - 122rpx);
 				padding: 6rpx 6rpx 6rpx 24rpx;
 				border-radius: 30rpx;
@@ -184,7 +184,7 @@ page {
 					height: 88rpx;
 					border: 0;
 					box-sizing: border-box;
-					line-height: 88rpx;
+					line-height: 48rpx;
 					color: #333;
 					font-size: 30rpx;
 				}