diff --git a/controller/controller.go b/controller/controller.go
index aceca318..edd21f12 100644
--- a/controller/controller.go
+++ b/controller/controller.go
@@ -99,7 +99,7 @@ func Process(version string) {
 	}
 
 	preprocess.LoadEnvironments(dir)
-	defer utils.ChangeWorkingDir(oldDir)
+	utils.ChangeWorkingDir(oldDir)
 	p := parser.NewLama2Parser()
 	parsedAPI, e := p.Parse(apiContent)
 	if o.Convert != "" {
diff --git a/elfparser/ElfTestSuite/.gitignore b/elfparser/ElfTestSuite/.gitignore
new file mode 100644
index 00000000..e8fcb7bd
--- /dev/null
+++ b/elfparser/ElfTestSuite/.gitignore
@@ -0,0 +1 @@
+404.json