diff --git a/README.md b/README.md
index 2b45d60..d3d266b 100644
--- a/README.md
+++ b/README.md
@@ -11,7 +11,7 @@ name: default
 
 steps:
   - name: upload
-    image: ccr.ccs.tencentyun.com/xiaoqidun/gocos
+    image: ccr.ccs.tencentyun.com/xiaoqidun/gocos:latest
     settings:
       secret_id:
         from_secret: secret_id
@@ -40,7 +40,7 @@ API密钥管理获得的SecretKey
 
 ### source_path
 
-DroneCI中文件的源位置
+构建环境中文件的源位置
 
 ### target_path
 
diff --git a/action.yml b/action.yml
new file mode 100644
index 0000000..876c5c8
--- /dev/null
+++ b/action.yml
@@ -0,0 +1,25 @@
+name: '腾讯云 COS 文件上传'
+description: '将文件上传到腾讯云对象存储 (COS)'
+author: '肖其顿'
+inputs:
+  secret_id:
+    description: 'API密钥管理获得的SecretId'
+    required: true
+  secret_key:
+    description: 'API密钥管理获得的SecretKey'
+    required: true
+  bucket_url:
+    description: '存储桶概览中的访问域名'
+    required: true
+  source_path:
+    description: '构建环境中文件的源位置'
+    required: true
+  target_path:
+    description: '存储桶中文件的目标位置'
+    required: true
+  strip_prefix:
+    description: '从文件的源位置剔除前缀'
+    required: false
+runs:
+  using: 'docker'
+  image: 'docker://ccr.ccs.tencentyun.com/xiaoqidun/gocos:latest'
\ No newline at end of file