diff --git a/packages/frontend/core/src/blocksuite/ai/components/ai-chat-input/ai-chat-input.ts b/packages/frontend/core/src/blocksuite/ai/components/ai-chat-input/ai-chat-input.ts
index 3d3bf73789..850f66205a 100644
--- a/packages/frontend/core/src/blocksuite/ai/components/ai-chat-input/ai-chat-input.ts
+++ b/packages/frontend/core/src/blocksuite/ai/components/ai-chat-input/ai-chat-input.ts
@@ -218,6 +218,12 @@ export class AIChatInput extends SignalWatcher(WithDisposable(LitElement)) {
       user-select: none;
     }
 
+    .chat-panel-send {
+      display: flex;
+      justify-content: center;
+      align-items: center;
+    }
+
     .chat-panel-send svg rect {
       fill: var(--affine-primary-color);
     }