diff --git a/YukimiScript.CodeGen/WebGAL.fs b/YukimiScript.CodeGen/WebGAL.fs
new file mode 100644
index 0000000..a890ef4
--- /dev/null
+++ b/YukimiScript.CodeGen/WebGAL.fs
@@ -0,0 +1,57 @@
+module YukimiScript.CodeGen.WebGAL
+
+open YukimiScript.Parser
+open YukimiScript.Parser.ParserMonad
+open YukimiScript.Parser.Elements
+open System.Text
+open System
+
+
+let private generateCommand externs (sb: StringBuilder) cmd =
+    let param = 
+        List.zip
+            (Map.find (cmd: IntermediateCommandCall).Callee externs 
+                |> List.map (fun x -> x.Parameter))
+            cmd.Arguments
+        |> List.filter (fun (_, x) -> x <> Symbol "null")
+    sb.Append(cmd.Callee).Append(":") |> ignore
+
+    let writeArg = function
+        | String a -> sb.Append(a) |> ignore      
+        | Real a -> sb.Append(a) |> ignore
+        | Integer a -> sb.Append(a) |> ignore
+        | Symbol a -> sb.Append(a) |> ignore
+
+    let writeParams =
+        List.iter (fun (p: string, a) -> 
+            sb.Append(" -").Append(p).Append("=") |> ignore
+            writeArg a)
+    
+    match param with
+    | [] -> ()
+    | ("content", contentArg) :: nextParams -> 
+        writeArg contentArg
+        writeParams nextParams
+    | nextParams ->
+        writeParams nextParams
+
+    sb.AppendLine(";") |> ignore
+
+
+let private generateScene externs sb (scene: IntermediateScene) =
+    (sb: StringBuilder).Append("label:").Append(scene.Name).AppendLine(";") |> ignore
+    scene.Block |> List.iter (generateCommand externs sb)
+    sb.AppendLine() |> ignore
+
+
+let generateWebGAL dom (Intermediate scenes) =
+    let externs = 
+        dom.Externs 
+        |> Seq.map (fun (ExternCommand (a, p), _, _) -> a, p)
+        |> Map.ofSeq
+
+    let sb = StringBuilder ()
+    scenes |> Seq.iter (generateScene externs sb)
+    sb
+
+
diff --git a/YukimiScript.CodeGen/YukimiScript.CodeGen.fsproj b/YukimiScript.CodeGen/YukimiScript.CodeGen.fsproj
index feb4480..ae12bad 100644
--- a/YukimiScript.CodeGen/YukimiScript.CodeGen.fsproj
+++ b/YukimiScript.CodeGen/YukimiScript.CodeGen.fsproj
@@ -8,6 +8,7 @@
     <Compile Include="PyMO.fs" />
     <Compile Include="Lua.fs" />
     <Compile Include="Json.fs" />
+    <Compile Include="WebGAL.fs" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/YukimiScript.CommandLineTool/Program.fs b/YukimiScript.CommandLineTool/Program.fs
index daad7e8..5df5ce7 100644
--- a/YukimiScript.CommandLineTool/Program.fs
+++ b/YukimiScript.CommandLineTool/Program.fs
@@ -36,6 +36,7 @@ let private help () =
       "    lua                Lua 5.1 for Lua Runtime 5.1 or LuaJIT (UTF-8)"
       "    pymo               PyMO 1.2 script, you must compile with libpymo.ykm."
       "    json               Json."
+      "    webgal             WebGAL Script (WIP)."
       ""
       "Example:"
       "    ykmc ./Example/main.ykm --target-pymo ./main.lua -L../lib -lpymo"
@@ -81,6 +82,7 @@ type private TargetOption =
     | PyMO of outputFile: string * scriptName: string
     | Bytecode of outputFile: string
     | Json of outputFile: string
+    | WebGAL of outputFile: string
 
 
 type private DiagramType =
@@ -129,6 +131,9 @@ let rec private parseTargetsAndOptions (inputSrc: string) =
     | "--target-json" :: json :: next ->
         parseTargetsAndOptions inputSrc next
         |> Result.map (fun (nextTargets, options) -> Json json :: nextTargets, options)
+    | "--target-webgal" :: webgal :: next ->
+        parseTargetsAndOptions inputSrc next
+        |> Result.map (fun (nextTargets, options) -> WebGAL webgal :: nextTargets, options)
     | options ->
         parseOptions defaultOptions options
         |> Result.map (fun options -> [], options)
@@ -172,7 +177,7 @@ let private doAction errStringing =
     function
     | Compile (inputFile, targets, options) ->
         let libs = loadLibs options
-        let intermediate = CompilePipe.compile libs inputFile |> unwrapResultExn ErrorStringing.schinese
+        let dom, intermediate = CompilePipe.compile libs inputFile |> unwrapResultExn ErrorStringing.schinese
         
         targets
         |> List.iter
@@ -193,7 +198,10 @@ let private doAction errStringing =
 
                     File.WriteAllText(output, lua, Text.Encoding.UTF8)
                 | Json out ->
-                    YukimiScript.CodeGen.Json.genJson options.Debugging intermediate out)
+                    YukimiScript.CodeGen.Json.genJson options.Debugging intermediate out
+                | WebGAL outPath -> 
+                    let out = YukimiScript.CodeGen.WebGAL.generateWebGAL dom intermediate
+                    File.WriteAllText(outPath, out.ToString()))
 
     | Diagram (diagramType, inputDir, out, options) ->
         let diagramExporter =
@@ -229,7 +237,7 @@ let private doAction errStringing =
         |> Array.toList
         |> Result.transposeList
         |> unwrapResultExn ErrorStringing.schinese
-        |> Seq.collect (fun (Intermediate s) -> s)
+        |> Seq.collect (fun (_, Intermediate s) -> s)
         |> Seq.collect (fun x -> x.Block)
         |> Seq.collect (fun x -> x.Arguments)
         |> Seq.choose (function
diff --git a/YukimiScript.Parser/CompilePipe.fs b/YukimiScript.Parser/CompilePipe.fs
index 1463ba4..05c1c98 100644
--- a/YukimiScript.Parser/CompilePipe.fs
+++ b/YukimiScript.Parser/CompilePipe.fs
@@ -109,8 +109,8 @@ let generateIntermediate dom =
     |> Result.bind (Dom.expandTextCommands >> Dom.expandUserMacros)
     |> Result.bind (fun externAndSysMacro ->
         Dom.expandSystemMacros externAndSysMacro
-        |> Dom.linkToExternCommands
-        |> Result.map Intermediate.ofDom)
+        |> Dom.linkToExternCommands)
+    |> Result.map (fun dom -> dom, Intermediate.ofDom dom)
 
 
 let compile lib srcPath =