diff --git a/JianGongYun/JianGongYun.csproj b/JianGongYun/JianGongYun.csproj
index b8d1d5c..2276409 100644
--- a/JianGongYun/JianGongYun.csproj
+++ b/JianGongYun/JianGongYun.csproj
@@ -18,7 +18,7 @@
     <PackageReference Include="Newtonsoft.Json" Version="12.0.3" />
     <PackageReference Include="OpenCvSharp4.runtime.win" Version="4.5.1.20201229" />
     <PackageReference Include="OpenCvSharp4.WpfExtensions" Version="4.5.1.20201229" />
-    <PackageReference Include="zlib.net" Version="1.0.4" />
+    <PackageReference Include="zlib.net-mutliplatform" Version="1.0.4" />
   </ItemGroup>
   <ItemGroup Condition="'$(TargetFramework)' != 'net45'">
     <PackageReference Include="System.Text.Encoding.CodePages" Version="5.0.0" />
diff --git a/JianGongYun/TRTC/Utils/TLSSigAPIv2.cs b/JianGongYun/TRTC/Utils/TLSSigAPIv2.cs
index cd70105..b567d36 100644
--- a/JianGongYun/TRTC/Utils/TLSSigAPIv2.cs
+++ b/JianGongYun/TRTC/Utils/TLSSigAPIv2.cs
@@ -1,11 +1,11 @@
-using Newtonsoft.Json;
+using ComponentAce.Compression.Libs.zlib;
+using Newtonsoft.Json;
 using Newtonsoft.Json.Linq;
 using System;
 using System.Collections.Generic;
 using System.IO;
 using System.Security.Cryptography;
 using System.Text;
-using zlib;
 
 namespace JianGongYun.TRTC.Utils
 {