diff --git a/README.md b/README.md
index 2c4e548..4407451 100644
--- a/README.md
+++ b/README.md
@@ -15,6 +15,8 @@
 
 
 > 由于相关领域发展快速，迭代较多，本文档有部分过时内容，不确定的问题可以开discussion或加群问群里的大佬们哦
+>
+> 插件大幅重构中，v2分支仅做最低程度维护。
 
 ### 推荐的相关文档和参考资料
 本README
diff --git a/apps/chat.js b/apps/chat.js
index 76a522c..1a3e7ca 100644
--- a/apps/chat.js
+++ b/apps/chat.js
@@ -788,7 +788,7 @@ export class chatgpt extends plugin {
       let thinking = chatMessage.thinking_text
       for (let processor of postProcessors) {
         let output = await processor.processInner({
-          text: response, thinking
+          text: response, thinking_text: thinking
         })
         response = output.text
         thinking = output.thinking_text
diff --git a/client/ClaudeAPIClient.js b/client/ClaudeAPIClient.js
index 15072b9..7a30ad8 100644
--- a/client/ClaudeAPIClient.js
+++ b/client/ClaudeAPIClient.js
@@ -151,7 +151,7 @@ export class ClaudeAPIClient extends BaseClient {
     let messages = history.map(h => { return { role: h.role, content: h.content } })
     body = Object.assign(body, {
       model: opt.model || this.model || 'claude-3-opus-20240229',
-      max_tokens: opt.max_tokens || 1024,
+      max_tokens: opt.max_tokens || 4096,
       messages,
       stream: false
     })
diff --git a/model/core.js b/model/core.js
index eb1415b..87a833c 100644
--- a/model/core.js
+++ b/model/core.js
@@ -259,7 +259,29 @@ class Core {
           stream: false,
           parentMessageId: conversation.parentMessageId,
           conversationId: conversation.conversationId,
-          system: opt.system.claude
+          system: opt.system.claude,
+          max_tokens: Config.apiMaxToken
+        }
+        if (opt.settings.enableGroupContext && e.isGroup) {
+          let chats = await getChatHistoryGroup(e, Config.groupContextLength)
+          const namePlaceholder = '[name]'
+          const defaultBotName = 'GeminiPro'
+          const groupContextTip = Config.groupContextTip
+          let botName = e.isGroup ? (e.group.pickMember(getUin(e)).card || e.group.pickMember(getUin(e)).nickname) : e.bot.nickname
+          option.system = option.system.replaceAll(namePlaceholder, botName || defaultBotName) +
+            ((opt.settings.enableGroupContext && e.group_id) ? groupContextTip : '')
+          option.system += 'Attention, you are currently chatting in a qq group, then one who asks you now is' + `${e.sender.card || e.sender.nickname}(${e.sender.user_id}).`
+          option.system += `the group name is ${e.group.name || e.group_name}, group id is ${e.group_id}.`
+          option.system += `Your nickname is ${botName} in the group,`
+          if (chats) {
+            option.system += 'There is the conversation history in the group, you must chat according to the conversation history context"'
+            option.system += chats
+              .map(chat => {
+                let sender = chat.sender || {}
+                return `【${sender.card || sender.nickname}】(qq：${sender.user_id}, ${roleMap[sender.role] || 'normal user'}，${sender.area ? 'from ' + sender.area + ', ' : ''} ${sender.age} years old, 群头衔：${sender.title}, gender: ${sender.sex}, time：${formatDate(new Date(chat.time * 1000))}, messageId: ${chat.message_id}) 说：${chat.raw_message}`
+              })
+              .join('\n')
+          }
         }
         let img = await getImg(e)
         if (img && img.length > 0) {