diff --git a/src/views/inputArea.ts b/src/views/inputArea.ts
index dc3d0f8..a1c044e 100644
--- a/src/views/inputArea.ts
+++ b/src/views/inputArea.ts
@@ -40,7 +40,7 @@ export function getInputAreaContent(): string {
           </div>
           <textarea
             id="messageInput"
-            placeholder="输入您的问题..."
+            placeholder="输入您的问题，按 Enter 发送，Shift + Enter 换行..."
             onkeydown="if(event.key === 'Enter' && !event.shiftKey) { event.preventDefault(); sendMessage(); }"
           ></textarea>
           <div class="input-bottom-row">