diff --git a/src/47-dotnet_Microsoft.VisualBasic.vbproj b/src/47-dotnet_Microsoft.VisualBasic.vbproj
index c777fd67..a5ca5093 100644
--- a/src/47-dotnet_Microsoft.VisualBasic.vbproj
+++ b/src/47-dotnet_Microsoft.VisualBasic.vbproj
@@ -1595,6 +1595,7 @@
     <Compile Include="ApplicationServices\Terminal\xConsole\Comparer.vb" />
     <Compile Include="ApplicationServices\Terminal\xConsole\Spinner.vb" />
     <Compile Include="ApplicationServices\Terminal\xConsole\CoolWriteSettings.vb" />
+    <Compile Include="ApplicationServices\VBDev\deps.json.vb" />
     <Compile Include="CommandLine\CLI\ProcessEx.vb" />
     <Compile Include="CommandLine\Parsers\CommandLineTokenlizer.vb" />
     <Compile Include="CommandLine\Parsers\CliArgumentParsers.vb" />
diff --git a/src/ApplicationServices/Tools/Zip/UnZip.vb b/src/ApplicationServices/Tools/Zip/UnZip.vb
index aa6e6d38..3950324f 100644
--- a/src/ApplicationServices/Tools/Zip/UnZip.vb
+++ b/src/ApplicationServices/Tools/Zip/UnZip.vb
@@ -58,7 +58,7 @@ Namespace ApplicationServices.Zip
         Private Sub ExtractToFileInternal(file As ZipArchiveEntry, destinationPath$, overwriteMethod As Overwrite, overridesFullName$)
             ' Gets the complete path for the destination file, including any
             ' relative paths that were in the zip file
-            Dim destinationFileName As String = Path.Combine(destinationPath, overridesFullName Or file.FullName.AsDefault)
+            Dim destinationFileName As String = Path.Combine(destinationPath, overridesFullName Or file.FullName.AsDefault).Replace("\", "/")
 
             ' Gets just the new path, minus the file name so we can create the
             ' directory if it does not exist
diff --git a/src/ApplicationServices/Tools/Zip/ZipLib.vb b/src/ApplicationServices/Tools/Zip/ZipLib.vb
index 3c969a7a..ba764fd4 100644
--- a/src/ApplicationServices/Tools/Zip/ZipLib.vb
+++ b/src/ApplicationServices/Tools/Zip/ZipLib.vb
@@ -185,7 +185,7 @@ Namespace ApplicationServices.Zip
                     action:=action,
                     fileOverwrite:=fileOverwrite,
                     compression:=compression,
-                    relativeDIR:=rel.Replace("/"c, "\"c).Trim("\"c)
+                    relativeDir:=rel.Replace("/"c, "\"c).Trim("\"c)
                  )
         End Sub
 
@@ -212,7 +212,7 @@ Namespace ApplicationServices.Zip
                                 Optional action As ArchiveAction = ArchiveAction.Replace,
                                 Optional fileOverwrite As Overwrite = Overwrite.IfNewer,
                                 Optional compression As CompressionLevel = CompressionLevel.Optimal,
-                                Optional relativeDIR$ = Nothing)
+                                Optional relativeDir$ = Nothing)
 
             'Identifies the mode we will be using - the default is Create
             Dim mode As ZipArchiveMode = ZipArchiveMode.Create
@@ -255,33 +255,46 @@ Namespace ApplicationServices.Zip
 
             'Opens the zip file in the mode we specified
             Using zipFile As ZipArchive = IO.Compression.ZipFile.Open(archiveFullName, mode)
-
-                'This is a bit of a hack and should be refactored - I am
-                'doing a similar foreach loop for both modes, but for Create
-                'I am doing very little work while Update gets a lot of
-                'code.  This also does not handle any other mode (of
-                'which there currently wouldn't be one since we don't
-                'use Read here).
-
-                If mode = ZipArchiveMode.Create Then
-                    Dim entryName$
-
-                    For Each path As String In files
-                        ' Adds the file to the archive
-                        If relativeDIR.StringEmpty Then
-                            entryName = IO.Path.GetFileName(path)
-                        Else
-                            entryName = RelativePath(relativeDIR, path, appendParent:=False, fixZipPath:=True)
-                        End If
-
-                        Call zipFile.CreateEntryFromFile(path, entryName, compression)
-                    Next
-                Else
-                    Call zipFile.AppendZip(files, fileOverwrite, compression)
-                End If
+                Call zipFile.WriteFiles(files, mode, fileOverwrite, compression, relativeDir)
             End Using
         End Sub
 
+        <Extension>
+        Public Sub WriteFiles(zipFile As ZipArchive, files As String(), mode As ZipArchiveMode,
+                              Optional fileOverwrite As Overwrite = Overwrite.IfNewer,
+                              Optional compression As CompressionLevel = CompressionLevel.Optimal,
+                              Optional relativeDir$ = Nothing,
+                              Optional parent$ = "")
+            Dim entryName$
+            Dim appendParent As Boolean = Not parent.StringEmpty
+
+            'This is a bit of a hack and should be refactored - I am
+            'doing a similar foreach loop for both modes, but for Create
+            'I am doing very little work while Update gets a lot of
+            'code.  This also does not handle any other mode (of
+            'which there currently wouldn't be one since we don't
+            'use Read here).
+
+            If mode = ZipArchiveMode.Create Then
+                For Each path As String In files
+                    ' Adds the file to the archive
+                    If relativeDir.StringEmpty Then
+                        entryName = IO.Path.GetFileName(path)
+                    Else
+                        entryName = RelativePath(relativeDir, path, appendParent:=False, fixZipPath:=True)
+                    End If
+
+                    If appendParent Then
+                        entryName = $"{parent}/{entryName}"
+                    End If
+
+                    Call zipFile.CreateEntryFromFile(path, entryName, compression)
+                Next
+            Else
+                Call zipFile.AppendZip(files, fileOverwrite, compression)
+            End If
+        End Sub
+
         <Extension>
         Public Sub DeleteItems(zip As ZipArchive, itemNames As Index(Of String))
             For Each file As ZipArchiveEntry In zip.Entries.ToArray
diff --git a/src/ApplicationServices/VBDev/XmlDoc/Serialization/APIExtensions.vb b/src/ApplicationServices/VBDev/XmlDoc/Serialization/APIExtensions.vb
index 16f1c3c2..c163534a 100644
--- a/src/ApplicationServices/VBDev/XmlDoc/Serialization/APIExtensions.vb
+++ b/src/ApplicationServices/VBDev/XmlDoc/Serialization/APIExtensions.vb
@@ -1,4 +1,4 @@
-#Region "Microsoft.VisualBasic::7298a9a30a05a1c83524147a5d214f5c, Microsoft.VisualBasic.Core\src\ApplicationServices\VBDev\XmlDoc\Serialization\APIExtensions.vb"
+#Region "Microsoft.VisualBasic::fb72f54eaa8ba4e9e7131b990fac8694, Microsoft.VisualBasic.Core\src\ApplicationServices\VBDev\XmlDoc\Serialization\APIExtensions.vb"
 
     ' Author:
     ' 
@@ -78,7 +78,7 @@ Namespace ApplicationServices.Development.XmlDoc.Serialization
                 Return path.LoadXml(Of Doc)(preprocess:=AddressOf TrimAssemblyDoc)
             Catch ex As Exception
                 Call ex.PrintException
-                Throw ex
+                Throw
             End Try
         End Function
 
diff --git a/src/ApplicationServices/VBDev/deps.json.vb b/src/ApplicationServices/VBDev/deps.json.vb
new file mode 100644
index 00000000..76eab8e0
--- /dev/null
+++ b/src/ApplicationServices/VBDev/deps.json.vb
@@ -0,0 +1,109 @@
+#Region "Microsoft.VisualBasic::e907db9dccd723690dcf9bf8583b1c28, Microsoft.VisualBasic.Core\src\ApplicationServices\VBDev\deps.json.vb"
+
+    ' Author:
+    ' 
+    '       asuka (amethyst.asuka@gcmodeller.org)
+    '       xie (genetics@smrucc.org)
+    '       xieguigang (xie.guigang@live.com)
+    ' 
+    ' Copyright (c) 2018 GPL3 Licensed
+    ' 
+    ' 
+    ' GNU GENERAL PUBLIC LICENSE (GPL3)
+    ' 
+    ' 
+    ' This program is free software: you can redistribute it and/or modify
+    ' it under the terms of the GNU General Public License as published by
+    ' the Free Software Foundation, either version 3 of the License, or
+    ' (at your option) any later version.
+    ' 
+    ' This program is distributed in the hope that it will be useful,
+    ' but WITHOUT ANY WARRANTY; without even the implied warranty of
+    ' MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    ' GNU General Public License for more details.
+    ' 
+    ' You should have received a copy of the GNU General Public License
+    ' along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+
+
+    ' /********************************************************************************/
+
+    ' Summaries:
+
+    '     Class deps
+    ' 
+    '         Properties: compilationOptions, libraries, runtimeTarget, targets
+    ' 
+    '         Function: GetReferenceProject
+    ' 
+    '     Class target
+    ' 
+    '         Properties: dependencies
+    ' 
+    '     Class library
+    ' 
+    '         Properties: hashPath, path, serviceable, sha512, type
+    ' 
+    '     Class runtimeTarget
+    ' 
+    '         Properties: name, signature
+    ' 
+    '     Class compilationOptions
+    ' 
+    ' 
+    ' 
+    ' 
+    ' /********************************************************************************/
+
+#End Region
+
+Namespace ApplicationServices.Development.NetCore5
+
+    ''' <summary>
+    ''' read deps.json for .net 5 assembly
+    ''' </summary>
+    Public Class deps
+
+        Public Property runtimeTarget As runtimeTarget
+        Public Property compilationOptions As compilationOptions
+        Public Property targets As Dictionary(Of String, target)
+        Public Property libraries As Dictionary(Of String, library)
+
+        ''' <summary>
+        ''' get list of project reference name
+        ''' </summary>
+        ''' <returns></returns>
+        Public Function GetReferenceProject() As IEnumerable(Of String)
+            Return From entry As KeyValuePair(Of String, library)
+                   In libraries
+                   Let ref As library = entry.Value
+                   Where ref.type = "project"
+                   Select entry.Key.StringReplace("/\d+(\.\d+)+", "")
+        End Function
+
+    End Class
+
+    Public Class target
+        Public Property dependencies As Dictionary(Of String, String)
+    End Class
+
+    Public Class library
+        Public Property type As String
+        Public Property serviceable As Boolean
+        Public Property sha512 As String
+        Public Property path As String
+        Public Property hashPath As String
+    End Class
+
+    Public Class runtimeTarget
+
+        Public Property name As String
+        Public Property signature As String
+
+    End Class
+
+    Public Class compilationOptions
+
+    End Class
+End Namespace
diff --git a/src/CommandLine/Interpreters/Interpreter.vb b/src/CommandLine/Interpreters/Interpreter.vb
index e8867da3..44c53fbf 100644
--- a/src/CommandLine/Interpreters/Interpreter.vb
+++ b/src/CommandLine/Interpreters/Interpreter.vb
@@ -1,4 +1,4 @@
-#Region "Microsoft.VisualBasic::4c046aa8570517f14bf0a1cf75656c15, Microsoft.VisualBasic.Core\src\CommandLine\Interpreters\Interpreter.vb"
+#Region "Microsoft.VisualBasic::42c52a38848c2e10f4917161f505b1a9, Microsoft.VisualBasic.Core\src\CommandLine\Interpreters\Interpreter.vb"
 
     ' Author:
     ' 
@@ -165,6 +165,7 @@ Namespace CommandLine
                 Catch ex As Exception
                     Call App.LogException(ex)
                     Call ex.PrintException
+                    Call VBDebugger.WaitOutput()
                 End Try
 #End If
                 Return -100
diff --git a/src/Core.vbproj b/src/Core.vbproj
index 1f703d61..501b3824 100644
--- a/src/Core.vbproj
+++ b/src/Core.vbproj
@@ -14,6 +14,8 @@
     <RepositoryUrl>https://github.com/xieguigang/sciBASIC</RepositoryUrl>
     <Platforms>AnyCPU;x64</Platforms>
     <Configurations>Debug;Release;Rsharp_app_release;LipidSearch</Configurations>
+    <GeneratePackageOnBuild>true</GeneratePackageOnBuild>
+    <PackageRequireLicenseAcceptance>true</PackageRequireLicenseAcceptance>
   </PropertyGroup>
 
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|AnyCPU'">
@@ -56,7 +58,12 @@
 
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
     <DocumentationFile>Microsoft.VisualBasic.Core.xml</DocumentationFile>
-    <DefineConstants>netcore5=1</DefineConstants>
+    <DefineConstants>netcore5=1,UNIX=1</DefineConstants>
+    <RemoveIntegerChecks>true</RemoveIntegerChecks>
+    <Optimize>false</Optimize>
+    <DebugSymbols>true</DebugSymbols>
+    <DebugType>full</DebugType>
+    <DefineDebug>false</DefineDebug>
   </PropertyGroup>
 
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Rsharp_app_release|x64'">
diff --git a/src/Extensions/Collection/Vector.vb b/src/Extensions/Collection/Vector.vb
index 5bb554c0..1da1ff1f 100644
--- a/src/Extensions/Collection/Vector.vb
+++ b/src/Extensions/Collection/Vector.vb
@@ -1,4 +1,4 @@
-#Region "Microsoft.VisualBasic::098f1fd4fd20ce9c5885feff37043f7b, Microsoft.VisualBasic.Core\src\Extensions\Collection\Vector.vb"
+#Region "Microsoft.VisualBasic::d11c1fee9f48da20a6ce6a913714ff23, Microsoft.VisualBasic.Core\src\Extensions\Collection\Vector.vb"
 
     ' Author:
     ' 
@@ -35,8 +35,8 @@
     ' 
     '     Function: (+2 Overloads) After, Append, Coalesce, (+3 Overloads) Delete, (+2 Overloads) Fill
     '               GetRange, IndexOf, Last, LoadAsNumericVector, MappingData
-    '               Midv, RepeatCalls, Replicate, SetValue, (+3 Overloads) Sort
-    '               Split, VectorShadows
+    '               Midv, PadLeft, RepeatCalls, Replicate, SetValue
+    '               (+3 Overloads) Sort, Split, VectorShadows
     ' 
     '     Sub: (+4 Overloads) Add, InsertAt, (+2 Overloads) Memset
     ' 
diff --git a/src/Extensions/Doc/Text.vb b/src/Extensions/Doc/Text.vb
index 1833f08f..5446a269 100644
--- a/src/Extensions/Doc/Text.vb
+++ b/src/Extensions/Doc/Text.vb
@@ -1,4 +1,4 @@
-#Region "Microsoft.VisualBasic::86bcb0110e10fb0520ceec29ecf382aa, Microsoft.VisualBasic.Core\src\Extensions\Doc\Text.vb"
+#Region "Microsoft.VisualBasic::12eaaed1ab188b35efd09db49282f209, Microsoft.VisualBasic.Core\src\Extensions\Doc\Text.vb"
 
     ' Author:
     ' 
@@ -85,7 +85,7 @@ Public Module TextDoc
             Call App.LogException(New Exception(file.ToFileURL, ex))
 
             If ThrowEx Then
-                Throw ex
+                Throw
             Else
 #If DEBUG Then
                 Call ex.PrintException
diff --git a/src/Extensions/IO/Extensions/PathExtensions.vb b/src/Extensions/IO/Extensions/PathExtensions.vb
index 12b4893e..c4369f97 100644
--- a/src/Extensions/IO/Extensions/PathExtensions.vb
+++ b/src/Extensions/IO/Extensions/PathExtensions.vb
@@ -201,6 +201,8 @@ Public Module PathExtensions
             DIR = App.CurrentDirectory
         End If
 
+        DIR = DIR.Replace("\", "/")
+
         Try
             Call FileIO.FileSystem.CreateDirectory(DIR)
         Catch ex As Exception
diff --git a/src/Language/Value/Numeric/i32.vb b/src/Language/Value/Numeric/i32.vb
index a46990c9..3ca15635 100644
--- a/src/Language/Value/Numeric/i32.vb
+++ b/src/Language/Value/Numeric/i32.vb
@@ -1,4 +1,4 @@
-#Region "Microsoft.VisualBasic::ee2ff91b50a4f6d0128e842c8fb9e689, Microsoft.VisualBasic.Core\src\Language\Value\Numeric\i32.vb"
+#Region "Microsoft.VisualBasic::f85820ebea1d0c0fdc30b6a9ccf0a105, Microsoft.VisualBasic.Core\src\Language\Value\Numeric\i32.vb"
 
     ' Author:
     ' 
diff --git a/src/My/UNIX/LinuxRunHelper.vb b/src/My/UNIX/LinuxRunHelper.vb
index 819bb4fc..7d3ba446 100644
--- a/src/My/UNIX/LinuxRunHelper.vb
+++ b/src/My/UNIX/LinuxRunHelper.vb
@@ -1,4 +1,4 @@
-#Region "Microsoft.VisualBasic::2d42fca8ee586f2cce1638dfe047aa7e, Microsoft.VisualBasic.Core\src\My\UNIX\LinuxRunHelper.vb"
+#Region "Microsoft.VisualBasic::21638f79f2036bed92e6d7eb25b55352, Microsoft.VisualBasic.Core\src\My\UNIX\LinuxRunHelper.vb"
 
     ' Author:
     ' 
@@ -33,7 +33,8 @@
 
     '     Module LinuxRunHelper
     ' 
-    '         Function: BashRun, BashShell, GetLocationHelper, MonoRun, Shell
+    '         Function: BashRun, BashShell, GetLocationHelper, getRunnerBash, MonoRun
+    '                   Shell
     ' 
     ' 
     ' /********************************************************************************/
diff --git a/src/Scripting/MetaData/Type.vb b/src/Scripting/MetaData/Type.vb
index d2b663d0..3d5f7acb 100644
--- a/src/Scripting/MetaData/Type.vb
+++ b/src/Scripting/MetaData/Type.vb
@@ -125,8 +125,11 @@ Namespace Scripting.MetaData
             Dim path As Value(Of String) = ""
             Dim assm As Assembly = Nothing
 
-            For Each directory As String In searchPath.SafeQuery.JoinIterates(App.HOME)
-                If (path = $"{directory}/{Me.assembly}").FileExists Then
+            For Each filepath As String In searchPath.SafeQuery.JoinIterates(App.HOME)
+                If filepath.FileLength > 0 Then
+                    assm = System.Reflection.Assembly.LoadFile(path)
+                    Exit For
+                ElseIf (path = $"{filepath}/{Me.assembly}").FileExists Then
                     assm = System.Reflection.Assembly.LoadFile(path)
                     Exit For
                 End If
diff --git a/src/Text/ASCII.vb b/src/Text/ASCII.vb
index c39f1cc7..3f88cae8 100644
--- a/src/Text/ASCII.vb
+++ b/src/Text/ASCII.vb
@@ -1,4 +1,4 @@
-#Region "Microsoft.VisualBasic::c22bffca1ea42371e306387a2c1426c3, Microsoft.VisualBasic.Core\src\Text\ASCII.vb"
+#Region "Microsoft.VisualBasic::881e6714e9bf7f6ac8b9213348101130, Microsoft.VisualBasic.Core\src\Text\ASCII.vb"
 
     ' Author:
     ' 
@@ -35,7 +35,7 @@
     ' 
     '         Properties: AlphaNumericTable, Nonprintings, Symbols
     ' 
-    '         Function: IsAsciiChar, IsASCIIString, IsNonPrinting, ReplaceQuot, TrimNonPrintings
+    '         Function: (+2 Overloads) IsAsciiChar, IsASCIIString, IsNonPrinting, ReplaceQuot, TrimNonPrintings
     '         Class [Byte]
     ' 
     '             Function: GetASCIISymbols
diff --git a/src/Text/Parser/HtmlParser/HtmlStrips.vb b/src/Text/Parser/HtmlParser/HtmlStrips.vb
index fe344aa2..2aa27cec 100644
--- a/src/Text/Parser/HtmlParser/HtmlStrips.vb
+++ b/src/Text/Parser/HtmlParser/HtmlStrips.vb
@@ -1,4 +1,4 @@
-#Region "Microsoft.VisualBasic::3263a5aaebb0967d4032bb7151d75a3c, Microsoft.VisualBasic.Core\src\Text\Parser\HtmlParser\HtmlStrips.vb"
+#Region "Microsoft.VisualBasic::450dd0eb3e616839e96d8fd2c0df00fb, Microsoft.VisualBasic.Core\src\Text\Parser\HtmlParser\HtmlStrips.vb"
 
     ' Author:
     ' 
@@ -390,7 +390,7 @@ Namespace Text.Parser.HtmlParser
                 Catch ex As Exception When TypeOf ex Is TimeoutException
                     Call App.LogException(ex, tags.GetJson)
                 Catch ex As Exception
-                    Throw ex
+                    Throw
                 End Try
 
                 html = r.Replace(html, $"<{tag}.*?>", "", RegexICSng)
diff --git a/test/devTest.vb b/test/devTest.vb
new file mode 100644
index 00000000..0e886cfb
--- /dev/null
+++ b/test/devTest.vb
@@ -0,0 +1,54 @@
+#Region "Microsoft.VisualBasic::4f293f9ee69b27a30f114327c367f006, Microsoft.VisualBasic.Core\test\devTest.vb"
+
+    ' Author:
+    ' 
+    '       asuka (amethyst.asuka@gcmodeller.org)
+    '       xie (genetics@smrucc.org)
+    '       xieguigang (xie.guigang@live.com)
+    ' 
+    ' Copyright (c) 2018 GPL3 Licensed
+    ' 
+    ' 
+    ' GNU GENERAL PUBLIC LICENSE (GPL3)
+    ' 
+    ' 
+    ' This program is free software: you can redistribute it and/or modify
+    ' it under the terms of the GNU General Public License as published by
+    ' the Free Software Foundation, either version 3 of the License, or
+    ' (at your option) any later version.
+    ' 
+    ' This program is distributed in the hope that it will be useful,
+    ' but WITHOUT ANY WARRANTY; without even the implied warranty of
+    ' MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    ' GNU General Public License for more details.
+    ' 
+    ' You should have received a copy of the GNU General Public License
+    ' along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+
+
+    ' /********************************************************************************/
+
+    ' Summaries:
+
+    ' Module devTest
+    ' 
+    '     Sub: Main
+    ' 
+    ' /********************************************************************************/
+
+#End Region
+
+Imports Microsoft.VisualBasic.ApplicationServices.Development.NetCore5
+Imports Microsoft.VisualBasic.Serialization.JSON
+
+Module devTest
+
+    Sub Main()
+        Dim deps = "D:\GCModeller\src\R-sharp\App\net5.0\base.deps.json".LoadJsonFile(Of deps)
+        Dim ref = deps.GetReferenceProject.ToArray
+
+        Pause()
+    End Sub
+End Module
+
diff --git a/test/test.vbproj b/test/test.vbproj
index 2de0ad65..755f6ac8 100644
--- a/test/test.vbproj
+++ b/test/test.vbproj
@@ -6,7 +6,7 @@
     <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
     <ProjectGuid>{8CDE6B49-9B2B-4A0E-8954-5A46E9AECB88}</ProjectGuid>
     <OutputType>Exe</OutputType>
-    <StartupObject>test.wgetTest</StartupObject>
+    <StartupObject>test.devTest</StartupObject>
     <RootNamespace>test</RootNamespace>
     <AssemblyName>test</AssemblyName>
     <FileAlignment>512</FileAlignment>
@@ -124,6 +124,7 @@
     <Compile Include="LinqExpressiontest.vb" />
     <Compile Include="indexTest.vb" />
     <Compile Include="lapplyTest.vb" />
+    <Compile Include="devTest.vb" />
     <Compile Include="sqltest.vb" />
     <Compile Include="objToStringTest.vb" />
     <Compile Include="wmfTest.vb" />