diff --git a/apps/ai.js b/apps/ai.js
index 33f2c5f..30ced56 100644
--- a/apps/ai.js
+++ b/apps/ai.js
@@ -111,10 +111,17 @@ async function extractUserMessage(msg, nickname, e) {
   if (e.message && msg && msg.trim()!=='' && msg !== '\n') {
     let text = [];
     let at = [];
+    const aiConfig = await ConfigControl.get('ai');
+    const maxMessageLength = aiConfig?.maxMessageLength || 100;
     e.message.forEach((message) => {
       logger.info(message);
       if (message.type === 'text' && message.text !== '' && message.text !== '\n'){
-        text.push(message.text);
+        let displayText = msg.text;
+        if (msg.text && msg.text.length > maxMessageLength) {
+          const omittedChars = msg.text.length - maxMessageLength;
+          displayText = msg.text.substring(0, maxMessageLength) + `...(省略${omittedChars}字)`;
+        }
+        text.push(displayText);
       } else if (message.type === 'at') {
         at.push(message.qq);
       }
diff --git a/config/ai.json b/config/ai.json
index a956a47..2fac1a3 100644
--- a/config/ai.json
+++ b/config/ai.json
@@ -20,6 +20,8 @@
   "maxSessions": 10,
   "?chatHistory": "聊天上下文最大长度",
   "chatHistory": 10,
+  "?maxMessageLength": "最大消息长度",
+  "maxMessageLength": 100,
   "?getChatHistoryLength": "获取到的聊天上下文长度",
   "getChatHistoryLength":20,
   "?keywordCache": "是否缓存关键词到本地",
diff --git a/lib/ai/aiCaller.js b/lib/ai/aiCaller.js
index 19d6a5d..c156e44 100644
--- a/lib/ai/aiCaller.js
+++ b/lib/ai/aiCaller.js
@@ -164,13 +164,20 @@ class AiCaller {
 
       const historyLen = await ConfigControl.get('ai').getChatHistoryLength || 10;
       const groupChatHistory = await e.group.getChatHistory(e.message_id, historyLen);
+      const aiConfig = await ConfigControl.get('ai');
+      const maxMessageLength = aiConfig?.maxMessageLength || 100;
       if(groupChatHistory && groupChatHistory.length > 0 ){
         contextIntro += '[群聊聊天记录(从旧到新)]\n'
         for (const message of groupChatHistory) {
           const msgArr = message.message;
           for (const msg of msgArr) {
             if(msg.type==='text'){
-              contextIntro += `[${message.sender.user_id == e.bot.uin ? '你' : message.sender?.nickname},id:${message.sender?.user_id},seq:${message.message_id}]之前说过:${msg.text}\n`
+              let displayText = msg.text;
+              if (msg.text && msg.text.length > maxMessageLength) {
+                const omittedChars = msg.text.length - maxMessageLength;
+                displayText = msg.text.substring(0, maxMessageLength) + `...(省略${omittedChars}字)`;
+              }
+              contextIntro += `[${message.sender.user_id == e.bot.uin ? '你' : message.sender?.nickname},id:${message.sender?.user_id},seq:${message.message_id}]之前说过:${displayText}\n`
             }
             if(msg.type === 'at'){
               if(msg.qq == e.bot.uin){