diff --git a/src/chatbox.tsx b/src/chatbox.tsx
index d5d7982..f28103e 100644
--- a/src/chatbox.tsx
+++ b/src/chatbox.tsx
@@ -105,6 +105,7 @@ export default function ChatBOX(props: {
     client.sysMessageContent = chatStore.systemMessageContent;
     client.messages = chatStore.history.slice(chatStore.postBeginIndex);
     client.model = chatStore.model;
+    client.max_tokens = chatStore.maxTokens;
     // try forget message before sending request
     client.forgetSomeMessages();
     try {