diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 3cde229..a463f25 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -53,4 +53,4 @@ jobs:
           WECHAT_WORK_BOT_WEBHOOK: ${{secrets.WECHAT_WORK_BOT_WEBHOOK}}
         with:
           msgtype: file
-          media_id: '3a8asd892asd8asd'
+          media_id: '2eNNDDAZxBnhGvz_KafNtCGC5lZOwJraS5BEe8EvzNAncouNQQrAghfE47uV5RGrg'
diff --git a/README.md b/README.md
index 9315e15..3f22d8f 100644
--- a/README.md
+++ b/README.md
@@ -113,7 +113,7 @@ articles.picurl | false | 图文消息的图片链接，支持 JPG、PNG 格式
 参数 | 必须 | 说明
 ------------ | ------------- | -------------
 msgtype | true | 消息类型，此时固定为 file
-media_id | true | 文件 id，通过[文件上传接口](https://work.weixin.qq.com/api/doc/90000/90136/91770)获取
+media_id | true | 文件 id，通过 [文件上传接口](https://work.weixin.qq.com/api/doc/90000/90136/91770) 获取
 
 ### 更多详细参数说明，参见 [https://work.weixin.qq.com/api/doc/90000/90136/91770](https://work.weixin.qq.com/api/doc/90000/90136/91770)