重新修改背景音乐的功能实现，原来的功能不起作用

ConsoleApplication2/ConsoleApplication2.csproj

@@ -50,6 +50,10 @@
     <WarningLevel>4</WarningLevel>
   </PropertyGroup>
   <ItemGroup>
+    <Reference Include="CSRedisCore, Version=3.8.670.0, Culture=neutral, PublicKeyToken=9aa6a3079358d437, processorArchitecture=MSIL">
+      <SpecificVersion>False</SpecificVersion>
+      <HintPath>..\lib\Redis\CSRedisCore.dll</HintPath>
+    </Reference>
     <Reference Include="FluentScheduler">
       <HintPath>..\lib\taskschedule\FluentScheduler.dll</HintPath>
     </Reference>
@@ -66,6 +70,9 @@
     </Reference>
     <Reference Include="System" />
     <Reference Include="System.Core" />
+    <Reference Include="System.ValueTuple">
+      <HintPath>..\lib\Redis\System.ValueTuple.dll</HintPath>
+    </Reference>
     <Reference Include="System.Xml.Linq" />
     <Reference Include="System.Data.DataSetExtensions" />
     <Reference Include="Microsoft.CSharp" />