diff --git a/Dockerfile b/Dockerfile
index 1d71cdf..27874b3 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,5 @@
 # 基础镜像
-FROM alpine:3.19.1
+FROM alpine:3.20.0
 
 # 作者信息
 LABEL MAINTAINER="xiaoqidun@gmail.com"
diff --git a/go.mod b/go.mod
index da38255..b4fe213 100644
--- a/go.mod
+++ b/go.mod
@@ -1,8 +1,8 @@
 module github.com/xiaoqidun/gocos
 
-go 1.22.3
+go 1.22.4
 
-require github.com/tencentyun/cos-go-sdk-v5 v0.7.47
+require github.com/tencentyun/cos-go-sdk-v5 v0.7.49
 
 require (
 	github.com/clbanning/mxj v1.8.4 // indirect
diff --git a/go.sum b/go.sum
index 34e7b26..fda4ab5 100644
--- a/go.sum
+++ b/go.sum
@@ -7,6 +7,7 @@ github.com/google/go-querystring v1.0.0 h1:Xkwi/a1rcvNg1PPYe5vI8GbeBY/jrVuDX5ASu
 github.com/google/go-querystring v1.0.0/go.mod h1:odCYkC5MyYFN7vkCjXpyrEuKhc/BUO6wN/zVPAxq5ck=
 github.com/google/uuid v1.1.1 h1:Gkbcsh/GbpXz7lPftLA3P6TYMwjCLYm83jiFQZF/3gY=
 github.com/google/uuid v1.1.1/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
+github.com/grafov/m3u8 v0.12.0/go.mod h1:nqzOkfBiZJENr52zTVd/Dcl03yzphIMbJqkXGu+u080=
 github.com/mitchellh/mapstructure v1.4.3 h1:OVowDSCllw/YjdLkam3/sm7wEtOy59d8ndGgCcyj8cs=
 github.com/mitchellh/mapstructure v1.4.3/go.mod h1:bFUtVrKA4DC2yAKiSyO/QUcy7e+RRV2QTWOzhPopBRo=
 github.com/mozillazg/go-httpheader v0.2.1 h1:geV7TrjbL8KXSyvghnFm+NyTux/hxwueTSrwhe88TQQ=
@@ -16,5 +17,5 @@ github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+
 github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
 github.com/tencentcloud/tencentcloud-sdk-go/tencentcloud/common v1.0.563/go.mod h1:7sCQWVkxcsR38nffDW057DRGk8mUjK1Ing/EFOK8s8Y=
 github.com/tencentcloud/tencentcloud-sdk-go/tencentcloud/kms v1.0.563/go.mod h1:uom4Nvi9W+Qkom0exYiJ9VWJjXwyxtPYTkKkaLMlfE0=
-github.com/tencentyun/cos-go-sdk-v5 v0.7.47 h1:uoS4Sob16qEYoapkqJq1D1Vnsy9ira9BfNUMtoFYTI4=
-github.com/tencentyun/cos-go-sdk-v5 v0.7.47/go.mod h1:DH9US8nB+AJXqwu/AMOrCFN1COv3dpytXuJWHgdg7kE=
+github.com/tencentyun/cos-go-sdk-v5 v0.7.49 h1:A3UIV4i+/T2XOfgQnUF9HgoQ6SI8QRz8Dd1F8CLkl4k=
+github.com/tencentyun/cos-go-sdk-v5 v0.7.49/go.mod h1:UN+VdbCl1hg+kKi5RXqZgaP+Boqfmk+D04GRc4XFk70=