diff --git a/package.json b/package.json
index c398801..fcff228 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@kevisual/ai",
-  "version": "0.0.14",
+  "version": "0.0.15",
   "description": "AI Center Services",
   "main": "index.js",
   "basename": "/root/ai-center-services",
diff --git a/src/provider/chat.ts b/src/provider/chat.ts
index c3f7fc4..f109417 100644
--- a/src/provider/chat.ts
+++ b/src/provider/chat.ts
@@ -13,6 +13,19 @@ import { Kimi } from './chat-adapter/kimi.ts';
 
 import { ChatMessage } from './core/type.ts';
 
+export {
+  Ollama,
+  SiliconFlow,
+  Custom,
+  Volces,
+  DeepSeek,
+  ModelScope,
+  BaseChat,
+  BailianChat,
+  Zhipu,
+  Kimi,
+  ChatMessage,
+}
 export const OllamaProvider = Ollama;
 export const SiliconFlowProvider = SiliconFlow;
 export const CustomProvider = Custom;
diff --git a/src/provider/core/utils/index.ts b/src/provider/core/utils/index.ts
index bc6d6ac..44bc878 100644
--- a/src/provider/core/utils/index.ts
+++ b/src/provider/core/utils/index.ts
@@ -4,7 +4,7 @@ export class AIUtils {
    * @param str 包含 JSON 的字符串
    * @returns 解析后的对象或 null
    */
-  extractJsonFromMarkdown(str: string): any | null {
+  static extractJsonFromMarkdown(str: string): any | null {
     // Try to extract JSON from ```json ... ```
     const jsonRegex = /```json\s*([\s\S]*?)\s*```/;
     const match = str.match(jsonRegex);