diff --git a/Common/Common-Unity/Common-Unity.csproj b/Common/Common-Unity/Common-Unity.csproj
index 7babfa3..3d9d2a8 100644
--- a/Common/Common-Unity/Common-Unity.csproj
+++ b/Common/Common-Unity/Common-Unity.csproj
@@ -37,7 +37,7 @@
   </ItemGroup>
   <ItemGroup>
     <Reference Include="Newtonsoft.Json">
-      <HintPath>..\..\UnityLibs\Newtonsoft.Json.dll</HintPath>
+      <HintPath>..\..\Unity\Newtonsoft.Json.dll</HintPath>
     </Reference>
   </ItemGroup>
 </Project>
diff --git a/LiveQuery/LiveQuery-Unity/LiveQuery-Unity.csproj b/LiveQuery/LiveQuery-Unity/LiveQuery-Unity.csproj
index 1b3d28c..6f78c23 100644
--- a/LiveQuery/LiveQuery-Unity/LiveQuery-Unity.csproj
+++ b/LiveQuery/LiveQuery-Unity/LiveQuery-Unity.csproj
@@ -26,7 +26,7 @@
   </ItemGroup>
   <ItemGroup>
     <Reference Include="Newtonsoft.Json">
-      <HintPath>..\..\UnityLibs\Newtonsoft.Json.dll</HintPath>
+      <HintPath>..\..\Unity\Newtonsoft.Json.dll</HintPath>
     </Reference>
   </ItemGroup>
 </Project>
diff --git a/Realtime/Realtime-Unity/Realtime-Unity.csproj b/Realtime/Realtime-Unity/Realtime-Unity.csproj
index fca387a..3b209fc 100644
--- a/Realtime/Realtime-Unity/Realtime-Unity.csproj
+++ b/Realtime/Realtime-Unity/Realtime-Unity.csproj
@@ -123,7 +123,7 @@
   </ItemGroup>
   <ItemGroup>
     <Reference Include="Newtonsoft.Json">
-      <HintPath>..\..\UnityLibs\Newtonsoft.Json.dll</HintPath>
+      <HintPath>..\..\Unity\Newtonsoft.Json.dll</HintPath>
     </Reference>
   </ItemGroup>
   <ItemGroup>
diff --git a/Storage/Storage-Unity/Storage-Unity.csproj b/Storage/Storage-Unity/Storage-Unity.csproj
index 432a4cb..be9a856 100644
--- a/Storage/Storage-Unity/Storage-Unity.csproj
+++ b/Storage/Storage-Unity/Storage-Unity.csproj
@@ -149,12 +149,12 @@
       <Link>LCStatusQuery.cs</Link>
     </Compile>
   </ItemGroup>
-  <ItemGroup>
-    <Reference Include="Newtonsoft.Json">
-      <HintPath>..\..\UnityLibs\Newtonsoft.Json.dll</HintPath>
-    </Reference>
-  </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\..\Common\Common-Unity\Common-Unity.csproj" />
   </ItemGroup>
+  <ItemGroup>
+    <Reference Include="Newtonsoft.Json">
+      <HintPath>..\..\Unity\Newtonsoft.Json.dll</HintPath>
+    </Reference>
+  </ItemGroup>
 </Project>
diff --git a/UnityLibs/Newtonsoft.Json.dll b/Unity/Newtonsoft.Json.dll
similarity index 100%
rename from UnityLibs/Newtonsoft.Json.dll
rename to Unity/Newtonsoft.Json.dll
diff --git a/Unity/link.xml b/Unity/link.xml
new file mode 100644
index 0000000..258d31e
--- /dev/null
+++ b/Unity/link.xml
@@ -0,0 +1,6 @@
+<linker>
+  <assembly fullname="Common" preserve="all"/>
+  <assembly fullname="Storage" preserve="all"/>
+  <assembly fullname="Realtime" preserve="all"/>
+  <assembly fullname="LiveQuery" preserve="all"/>
+</linker>
\ No newline at end of file
diff --git a/script/package.sh b/script/package.sh
index 96dea75..dd322c4 100644
--- a/script/package.sh
+++ b/script/package.sh
@@ -4,20 +4,24 @@ pack() {
     local path=$1;
     local dir=$2;
     local output=$3;
+    local copyLink=$4;
     mkdir $dir
     rsync -avz $path $dir
+    if [ $copyLink == true ] ; then
+        cp ./Unity/link.xml $dir
+    fi
     zip -r $output $dir
     rm -r $dir
 }
 
 # Storage
 pack ./Storage/Storage/bin/Release/netstandard2.0/ ./DLLs LeanCloud-SDK-Storage-Standard.zip
-pack ./Storage/Storage-Unity/bin/Release/netstandard2.0/ ./Plugins LeanCloud-SDK-Storage-Unity.zip
+pack ./Storage/Storage-Unity/bin/Release/netstandard2.0/ ./Plugins LeanCloud-SDK-Storage-Unity.zip true
 
 # Realtime
 pack ./Realtime/Realtime/bin/Release/netstandard2.0/ ./DLLs LeanCloud-SDK-Realtime-Standard.zip
-pack ./Realtime/Realtime-Unity/bin/Release/netstandard2.0/ ./Plugins LeanCloud-SDK-Realtime-Unity.zip
+pack ./Realtime/Realtime-Unity/bin/Release/netstandard2.0/ ./Plugins LeanCloud-SDK-Realtime-Unity.zip true
 
 # LiveQuery
 pack ./LiveQuery/LiveQuery/bin/Release/netstandard2.0/ ./DLLs LeanCloud-SDK-LiveQuery-Standard.zip
-pack ./LiveQuery/LiveQuery-Unity/bin/Release/netstandard2.0/ ./Plugins LeanCloud-SDK-LiveQuery-Unity.zip
\ No newline at end of file
+pack ./LiveQuery/LiveQuery-Unity/bin/Release/netstandard2.0/ ./Plugins LeanCloud-SDK-LiveQuery-Unity.zip true
\ No newline at end of file