doc: update features

.github/workflows/build-release-tag.yaml

@@ -6,7 +6,7 @@ on:
   release:
     types: [published]
 jobs:
-  publish-docker-image:
+  publish-release-docker-image:
     runs-on: ubuntu-latest
     name: Build image
 

README.md

@@ -18,14 +18,15 @@
 
 </div>
 
-> 欲通过 OpenAI 标准 API 访问各个 LLM 的官方接口，可以使用 [songquanpeng/one-api](https://github.com/songquanpeng/one-api)，`free-one-api` 亦可与 `one-api` 项目搭配使用。
+> 欲通过 OpenAI 标准 API 访问各个 LLM 的**官方接口(付费)**，可以使用 [songquanpeng/one-api](https://github.com/songquanpeng/one-api)，`free-one-api` 亦可与 `one-api` 项目搭配使用。
 
 ## 功能点
 
 - 支持自动负载均衡。
 - 支持 Web UI。
 - 支持流模式。
 - 支持多个 LLM 逆向库。
+- 心跳检测机制、自动禁用不可用的渠道。
 
 <details>
 <summary>截图展示</summary>

README_en.md

@@ -18,14 +18,15 @@ Access all reverse engineered LLM libs by standard OpenAI API format.
 
 </div>
 
-> If you want to access the official API of each LLM through the OpenAI standard API, you can use [songquanpeng/one-api](https://github.com/songquanpeng/one-api), `free-one-api` can also be used with the `one-api` project.
+> If you want to access the **official API(paid)** of each LLM through the OpenAI standard API, you can use [songquanpeng/one-api](https://github.com/songquanpeng/one-api), `free-one-api` can also be used with the `one-api` project.
 
 ## Features
 
 - Automatically load balance.
 - Web UI.
 - Stream mode supported.
 - Multi lib supported.
+- Heartbeat check, auto disable unavailable channel.
 
 <details>
 <summary>Screenshots</summary>