diff --git a/hrp/boomer.go b/hrp/boomer.go
index a736f909..2a7e9621 100644
--- a/hrp/boomer.go
+++ b/hrp/boomer.go
@@ -102,7 +102,7 @@ func (b *HRPBoomer) convertBoomerTask(testcase *TestCase, rendezvousList []*Rend
 
 			var parameterVariables map[string]interface{}
 			// iterate through all parameter iterators and update case variables
-			for _, it := range testcase.Config.ParametersSetting.Iterators {
+			for _, it := range sessionRunner.parsedConfig.ParametersSetting.Iterators {
 				if it.HasNext() {
 					parameterVariables = it.Next()
 				}
diff --git a/hrp/parser_test.go b/hrp/parser_test.go
index a0311a71..38fa5cc9 100644
--- a/hrp/parser_test.go
+++ b/hrp/parser_test.go
@@ -763,28 +763,41 @@ func TestParseParameters(t *testing.T) {
 		{
 			map[string]interface{}{
 				"username-password": fmt.Sprintf("${parameterize(%s/account.csv)}", hrpExamplesDir),
-				"user_agent":        []interface{}{"IOS/10.1", "IOS/10.2"}},
+				"user_agent":        []interface{}{"IOS/10.1", "IOS/10.2"},
+			},
 			6,
 		},
 		{
 			map[string]interface{}{
-				"username-password": [][]interface{}{{"test1", "111111"}, {"test2", "222222"}, {"test3", "333333"}},
-				"user_agent":        []interface{}{"IOS/10.1", "IOS/10.2"},
-				"app_version":       []interface{}{0.3}},
+				"username-password": [][]interface{}{
+					{"test1", "111111"},
+					{"test2", "222222"},
+					{"test3", "333333"},
+				},
+				"user_agent":  []interface{}{"IOS/10.1", "IOS/10.2"},
+				"app_version": []interface{}{0.3},
+			},
 			6,
 		},
 		{
 			map[string]interface{}{
-				"username-password": [][]interface{}{{"test1", "111111"}, {"test2", "222222"}, {"test3", "333333"}},
-				"user_agent":        []interface{}{"IOS/10.1", "IOS/10.2"},
-				"app_version":       []interface{}{0.3, 0.4, 0.5}},
+				"username-password": [][]interface{}{
+					{"test1", "111111"},
+					{"test2", "222222"},
+					{"test3", "333333"},
+				},
+				"user_agent":  []interface{}{"IOS/10.1", "IOS/10.2"},
+				"app_version": []interface{}{0.3, 0.4, 0.5},
+			},
 			18,
 		},
 		{
-			map[string]interface{}{}, 0,
+			map[string]interface{}{},
+			0,
 		},
 		{
-			nil, 0,
+			nil,
+			0,
 		},
 	}
 	for _, data := range testData {
@@ -832,7 +845,10 @@ func TestParseSlice(t *testing.T) {
 	}{
 		{
 			"username-password",
-			[]map[string]interface{}{{"username": "test1", "password": 111111, "other": "111"}, {"username": "test2", "password": 222222, "other": "222"}},
+			[]map[string]interface{}{
+				{"username": "test1", "password": 111111, "other": "111"},
+				{"username": "test2", "password": 222222, "other": "222"},
+			},
 			[]map[string]interface{}{
 				{"username": "test1", "password": 111111},
 				{"username": "test2", "password": 222222},
@@ -840,7 +856,10 @@ func TestParseSlice(t *testing.T) {
 		},
 		{
 			"username-password",
-			[][]string{{"test1", "111111"}, {"test2", "222222"}},
+			[][]string{
+				{"test1", "111111"},
+				{"test2", "222222"},
+			},
 			[]map[string]interface{}{
 				{"username": "test1", "password": "111111"},
 				{"username": "test2", "password": "222222"},
diff --git a/hrp/session.go b/hrp/session.go
index 0c37525a..478fbe03 100644
--- a/hrp/session.go
+++ b/hrp/session.go
@@ -25,7 +25,7 @@ type SessionRunner struct {
 }
 
 func (r *SessionRunner) resetSession() {
-	log.Info().Msg("clear session runner")
+	log.Info().Msg("reset session runner")
 	r.sessionVariables = make(map[string]interface{})
 	r.transactions = make(map[string]map[transactionType]time.Time)
 	r.startTime = time.Now()
diff --git a/httprunner/parser.py b/httprunner/parser.py
index 192521da..7bf6e9ef 100644
--- a/httprunner/parser.py
+++ b/httprunner/parser.py
@@ -3,7 +3,7 @@ import builtins
 import os
 import re
 from typing import Any, Callable, Dict, List, Set, Text
-from urllib.parse import urljoin, urlparse
+from urllib.parse import urlparse
 
 from loguru import logger
 from sentry_sdk import capture_exception