README.md in aliyun-api-0.0.6 vs README.md in aliyun-api-0.0.7

@@ -76,9 +76,137 @@
 service.describe_images parameters
 # or use parameters in rubyway
 parameters = {:region_id => "cn-beijing", :page_number => 2, :page_size => 20}
 ```
 
+## ECS API列表(aliyun ecs api版本: 20140526)
+
+### 实例相关接口
+#### 1.创建实例create_instance
+参数列表
+* region_id,地域,required
+* zone_id,子区域,optional
+* image_id,镜像,required
+* instance_type, required
+* security_group_id, required
+* instance_name, optional
+* description, optional
+* 略
+
+例:
+        ecs.create_instance :region_id=>'cn-hangzhou',:image_id=>'img_identifier',:instance_type=>'t2.small',:security_group_id=>'sg_id'
+
+#### 2.启动实例start_instance
+参数列表
+* instance_id,实例id,required
+
+例:
+
+        ecs.start_instance :instance_id=>'AYxxx'
+
+#### 3.停止实例stop_instance
+参数列表
+* instance_id,实例id,required
+* force_stop,重启机器时是否强制关机，默认为false, optional
+
+例:
+        ecs.stop_instance :instance_id=>'AYxxx'
+
+#### 4.重启实例reboot_instance
+参数列表
+* instance_id,实例id,required
+* force_stop,重启机器时是否强制关机，默认为false, optional
+
+例:
+     ecs.reboot_instance :instance_id=>'AYxxx'
+
+#### 5.修改实例属性modify_instance_attribute
+参数列表
+* instance_id,实例id,required
+* instance_name,optional
+* description, optional
+* password, optional
+* host_name, optional
+
+例:
+        ecs.modify_instance_attribute :instance_id=>'AYxxx',:instance_name=>'new-name'
+
+#### 6.查询实例列表describe_instance_status
+参数列表
+* region_id,地域id,required
+* zone_id,子区域,optional
+* page_number, optional
+* page_size, optional
+
+例:
+        ecs.describe_instance_status :region_id=>'cn-hangzhou'
+
+#### 7.查询实例信息describe_instance_attribute
+参数列表
+* instance_id,实例id,required
+
+例:
+        ecs.describe_instance_attribute :instance_id=>'AYxxx'
+
+#### 8.删除实例delete_instance
+参数列表
+* instance_id,实例id,required
+
+例:
+        ecs.delete_instance :instance_id=>'AYxxx'
+
+#### 9.将实例加入安全组join_security_group
+参数列表
+* instance_id,实例id,required
+* security_group_id, required
+
+例:
+        ecs.join_security_group :instance_id=>'AYxxx',:security_group_id=>'sg_id'
+
+#### 10.将实例移出安全组leave_security_group
+参数列表
+* instance_id,实例id,required
+* security_group_id, required
+
+例:
+        ecs.leave_security_group :instance_id=>'AYxxx',:security_group_id=>'sg_id'
+
+### 磁盘相关接口
+#### 1.创建磁盘create_disk
+参数列表
+* region_id,地域id,required
+* zone_id,子区域,optional
+* disk_name, optional
+* description, optional
+* size,磁盘大小GB, optional
+* snapshot_id,磁盘快照, optional
+* client_token, optional
+
+例:
+        ecs.create_disk :region_id=>'cn-hangzhou',:size=>100
+        ecs.create_disk :region_id=>'cn-hangzhou',:snapshot_id=>'snap-id'
+
+#### 2.查询磁盘describe_disks
+参数列表
+* region_id,地域id,required
+* zone_id,子区域,optional
+* disk_ids, optional
+* instance_id, optional
+* disk_type, all|system|data, optional,默认all
+* category, all|cloud|ephemeral,默认all, optional
+* status, In_use|Available|Attaching|Detaching|Creating|ReIniting|All, optional
+* snapshot_id, optional
+* portable, optional
+* delete_with_instance, 是否随实例释放, optional
+* delete_auto_snapshot, 删除磁盘时是否删除快照, optional
+* page_number, optional
+* page_size, optional
+
+例:
+
+     ecs.describe_disks :disk_ids=>["d1","d2"],:region_id=>'cn-hangzhou'
+
+(其他API类似，不再这里赘述，否则成了阿里的翻译机了^_^)
 
 ## Contributing
 
 1. Fork it ( https://github.com/qjpcpu/aliyun-api/fork )
 2. Create your feature branch (`git checkout -b my-new-feature`)