diff --git a/docs/CHANGELOG.md b/docs/CHANGELOG.md
index 4d026a8a..17ab8c0d 100644
--- a/docs/CHANGELOG.md
+++ b/docs/CHANGELOG.md
@@ -6,6 +6,7 @@
 
 - feat: add builtin function `environ`/`ENV`
 - fix: demo function compatibility
+- fix #1240: losing host port in har2case
 - change: get hrp version from aliyun OSS file when installing
 
 ## v4.0.0-beta (2022-04-24)
diff --git a/hrp/internal/har2case/core.go b/hrp/internal/har2case/core.go
index 5852ee4c..d3772dd2 100644
--- a/hrp/internal/har2case/core.go
+++ b/hrp/internal/har2case/core.go
@@ -187,7 +187,7 @@ func (s *tStep) makeRequestURL(entry *Entry) error {
 		log.Error().Err(err).Msg("make request url failed")
 		return err
 	}
-	s.Request.URL = fmt.Sprintf("%s://%s", u.Scheme, u.Hostname()+u.Path)
+	s.Request.URL = fmt.Sprintf("%s://%s", u.Scheme, u.Host+u.Path)
 	return nil
 }
 
diff --git a/hrp/internal/har2case/core_test.go b/hrp/internal/har2case/core_test.go
index fae4a3f5..25779e12 100644
--- a/hrp/internal/har2case/core_test.go
+++ b/hrp/internal/har2case/core_test.go
@@ -142,6 +142,23 @@ func TestGetFilenameWithoutExtension(t *testing.T) {
 	}
 }
 
+func TestMakeRequestURL(t *testing.T) {
+	har := NewHAR("")
+	entry := &Entry{
+		Request: Request{
+			URL: "http://127.0.0.1:8080/api/login",
+		},
+	}
+	step, err := har.prepareTestStep(entry)
+	if !assert.NoError(t, err) {
+		t.Fatal()
+	}
+
+	if !assert.Equal(t, "http://127.0.0.1:8080/api/login", step.Request.URL) {
+		t.Fatal()
+	}
+}
+
 func TestMakeRequestHeaders(t *testing.T) {
 	har := NewHAR("")
 	entry := &Entry{