diff --git a/build.gradle.kts b/build.gradle.kts
index d2a4dd82..319dd466 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -25,7 +25,7 @@ allprojects {
     apply(plugin = "java")
 
     group = "com.phodal.chapi"
-    version = "2.0.0-beta.7"
+    version = "2.0.0-beta.8"
     description =
         "Chapi is A common language meta information convertor, convert different languages to same meta-data model"
 
diff --git a/chapi-ast-go/src/test/kotlin/chapi/ast/goast/GoAnalyserTest.kt b/chapi-ast-go/src/test/kotlin/chapi/ast/goast/GoAnalyserTest.kt
index 0609b9d7..3918ecf0 100644
--- a/chapi-ast-go/src/test/kotlin/chapi/ast/goast/GoAnalyserTest.kt
+++ b/chapi-ast-go/src/test/kotlin/chapi/ast/goast/GoAnalyserTest.kt
@@ -42,19 +42,17 @@ func main() {
     @Test
     @Disabled
     fun analysisByDir() {
-        val dir = "/iam"
+        val dir = "/Users/phodal/test/iam"
         val codeContainer = GoAnalyser().analysisByDir(dir)
-        println(codeContainer)
+        // write to file
+        val json = Json.encodeToString(codeContainer)
+        File("iam.json").writeText(json)
     }
 }
 
 private fun GoAnalyser.analysisByDir(dir: String): List<CodeContainer> {
-    val codeContainers = mutableListOf<CodeContainer>()
     val files = File(dir).walkTopDown().filter { it.isFile && it.extension == "go" }.toList()
-    files.forEach {
-        println(it.absolutePath)
-        val codeContainer = analysis(it.readText(), it.name)
-        codeContainers.add(codeContainer)
-    }
-    return codeContainers
+    return files.map {
+        analysis(it.readText(), it.name)
+    }.toList()
 }