diff --git a/src/constants/model.ts b/src/constants/model.ts
index 8627d3d94..0971f2fee 100644
--- a/src/constants/model.ts
+++ b/src/constants/model.ts
@@ -30,7 +30,7 @@ export const ChatModelMap = {
     chatModel: OpenAiChatEnum.GPT35,
     name: 'ChatGpt',
     contextMaxToken: 4096,
-    systemMaxToken: 2400,
+    systemMaxToken: 2700,
     maxTemperature: 1.2,
     price: 2.5
   },
@@ -38,7 +38,7 @@ export const ChatModelMap = {
     chatModel: OpenAiChatEnum.GPT4,
     name: 'Gpt4',
     contextMaxToken: 8000,
-    systemMaxToken: 3000,
+    systemMaxToken: 4000,
     maxTemperature: 1.2,
     price: 50
   },
@@ -46,7 +46,7 @@ export const ChatModelMap = {
     chatModel: OpenAiChatEnum.GPT432k,
     name: 'Gpt4-32k',
     contextMaxToken: 32000,
-    systemMaxToken: 3000,
+    systemMaxToken: 8000,
     maxTemperature: 1.2,
     price: 90
   },
@@ -54,7 +54,7 @@ export const ChatModelMap = {
     chatModel: ClaudeEnum.Claude,
     name: 'Claude(免费体验)',
     contextMaxToken: 9000,
-    systemMaxToken: 2400,
+    systemMaxToken: 2700,
     maxTemperature: 1,
     price: 0
   }