diff --git a/hrp/cmd/har2case.go b/hrp/cmd/har2case.go
index 73670a57..7512f241 100644
--- a/hrp/cmd/har2case.go
+++ b/hrp/cmd/har2case.go
@@ -4,7 +4,7 @@ import (
 	"github.com/rs/zerolog/log"
 	"github.com/spf13/cobra"
 
-	"github.com/httprunner/hrp/har2case"
+	"github.com/httprunner/hrp/internal/har2case"
 )
 
 // har2caseCmd represents the har2case command
diff --git a/har2case/README.md b/internal/har2case/README.md
similarity index 100%
rename from har2case/README.md
rename to internal/har2case/README.md
diff --git a/har2case/core.go b/internal/har2case/core.go
similarity index 100%
rename from har2case/core.go
rename to internal/har2case/core.go
diff --git a/har2case/core_test.go b/internal/har2case/core_test.go
similarity index 100%
rename from har2case/core_test.go
rename to internal/har2case/core_test.go
diff --git a/har2case/har.go b/internal/har2case/har.go
similarity index 100%
rename from har2case/har.go
rename to internal/har2case/har.go