diff --git a/.github/workflows/build_latest.yml b/.github/workflows/build_latest.yml
index a3e839d52..fc8eb344a 100644
--- a/.github/workflows/build_latest.yml
+++ b/.github/workflows/build_latest.yml
@@ -3,7 +3,7 @@ name: Build Latest
 on: [push,workflow_dispatch]
 
 env:
-  DOTNET_SDK_VERSION: '8.0.*'
+  DOTNET_SDK_VERSION: '9.0.*'
   ACTIONS_ALLOW_USE_UNSECURE_NODE_VERSION: true
 
 jobs:
diff --git a/BBDown.Core/BBDown.Core.csproj b/BBDown.Core/BBDown.Core.csproj
index a30da92ee..a1aad5e07 100644
--- a/BBDown.Core/BBDown.Core.csproj
+++ b/BBDown.Core/BBDown.Core.csproj
@@ -2,14 +2,14 @@
 
   <PropertyGroup>
     <OutputType>library</OutputType>
-    <TargetFramework>net7.0</TargetFramework>
+    <TargetFramework>net9.0</TargetFramework>
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Google.Protobuf" Version="3.21.5" />
-    <PackageReference Include="Grpc.Tools" Version="2.47.0">
+    <PackageReference Include="Google.Protobuf" Version="3.28.3" />
+    <PackageReference Include="Grpc.Tools" Version="2.67.0">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
diff --git a/BBDown/BBDown.csproj b/BBDown/BBDown.csproj
index 14d887cf2..969504df8 100644
--- a/BBDown/BBDown.csproj
+++ b/BBDown/BBDown.csproj
@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>net8.0</TargetFramework>
+    <TargetFramework>net9.0</TargetFramework>
     <PackageLicenseExpression>MIT</PackageLicenseExpression>
     <Version>1.6.3</Version>
     <Description>BBDown是一个免费且便捷高效的哔哩哔哩下载/解析软件.</Description>
@@ -15,7 +15,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="QRCoder" Version="1.4.3" />
+    <PackageReference Include="QRCoder" Version="1.6.0" />
     <PackageReference Include="SharpZipLib" Version="1.4.2" />
     <PackageReference Include="System.CommandLine" Version="2.0.0-beta4.22272.1" />
   </ItemGroup>
diff --git a/README.md b/README.md
index c52a84d46..197530a4e 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,7 @@
 [![img](https://img.shields.io/github/stars/nilaoda/BBDown?label=%E7%82%B9%E8%B5%9E)](https://github.com/nilaoda/BBDown)  [![img](https://img.shields.io/github/last-commit/nilaoda/BBDown?label=%E6%9C%80%E8%BF%91%E6%8F%90%E4%BA%A4)](https://github.com/nilaoda/BBDown)  [![img](https://img.shields.io/github/release/nilaoda/BBDown?label=%E6%9C%80%E6%96%B0%E7%89%88%E6%9C%AC)](https://github.com/nilaoda/BBDown/releases)  [![img](https://img.shields.io/github/license/nilaoda/BBDown?label=%E8%AE%B8%E5%8F%AF%E8%AF%81)](https://github.com/nilaoda/BBDown)  [![Build Latest](https://github.com/nilaoda/BBDown/actions/workflows/build_latest.yml/badge.svg)](https://github.com/nilaoda/BBDown/actions/workflows/build_latest.yml)
 
+> 本项目仅供个人学习、研究和非商业性用途。用户在使用本工具时，需自行确保遵守相关法律法规，特别是与版权相关的法律条款。开发者不对因使用本工具而产生的任何版权纠纷或法律责任承担责任。请用户在使用时谨慎，确保其行为合法合规，并仅在有合法授权的情况下使用相关内容。
+
 # BBDown
 一个命令行式哔哩哔哩下载器. Bilibili Downloader.