feat(DOC): 完整地审查了代码，更完整的注释说明

- 无代码修改

api/modules/index.ts

@@ -4,7 +4,7 @@ import { userApi as createUserApi } from './user';
 import { chatApi as createChatApi } from './chat';
 import { modelApi as createModelApi } from './model';
 
-// 导出工厂函数
+// 导出工厂函数（和实例同名导出是什么鬼啊），幸好不是从这里导出的
 export { postApi as createPostApi, userApi as createUserApi, chatApi as createChatApi, modelApi as createModelApi };
 
 // 向后兼容的默认实例