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..21c8b35 100644
--- a/model/core.js
+++ b/model/core.js
@@ -259,7 +259,8 @@ class Core {
           stream: false,
           parentMessageId: conversation.parentMessageId,
           conversationId: conversation.conversationId,
-          system: opt.system.claude
+          system: opt.system.claude,
+          max_tokens: Config.apiMaxToken
         }
         let img = await getImg(e)
         if (img && img.length > 0) {