diff --git a/app/constant.ts b/app/constant.ts
index ffe042765..757c77791 100644
--- a/app/constant.ts
+++ b/app/constant.ts
@@ -358,7 +358,9 @@ export const DEFAULT_MODELS = [
       providerType: "openai",
       sorted: 1, // 这里是固定的，确保顺序与之前内置的版本一致
     },
-  })),
+  }))
+  /*
+  ,
   ...openaiModels.map((name) => ({
     name,
     available: false,
@@ -458,6 +460,7 @@ export const DEFAULT_MODELS = [
       sorted: 10,
     },
   })),
+  */
 ] as const;
 
 export const CHAT_PAGE_SIZE = 15;
diff --git a/app/store/config.ts b/app/store/config.ts
index 6187b6407..0ec88d2c0 100644
--- a/app/store/config.ts
+++ b/app/store/config.ts
@@ -50,7 +50,7 @@ export const DEFAULT_CONFIG = {
   models: DEFAULT_MODELS as any as LLMModel[],
 
   modelConfig: {
-    model: "gpt-4o" as ModelType,
+    model: "gpt-4o-mini" as ModelType, 
     providerName: "OpenAI" as ServiceProvider,
     temperature: 0.5,
     top_p: 1,
@@ -59,7 +59,7 @@ export const DEFAULT_CONFIG = {
     frequency_penalty: 0,
     sendMemory: false,
     historyMessageCount: 42,
-    compressMessageLengthThreshold: 90001,
+    compressMessageLengthThreshold: 90002,
     enableInjectSystemPrompts: true,
     template: config?.template ?? DEFAULT_INPUT_TEMPLATE,
     size: "1024x1024" as DalleSize,