diff --git a/httprunner/response.py b/httprunner/response.py
index 547cae9f..7bfda117 100644
--- a/httprunner/response.py
+++ b/httprunner/response.py
@@ -4,9 +4,9 @@ import json
 import re
 
 from httprunner import exceptions, logger, testcase, utils
-from httprunner.compat import OrderedDict, basestring
-from requests.structures import CaseInsensitiveDict
+from httprunner.compat import OrderedDict, basestring, is_py2
 from requests.models import PreparedRequest
+from requests.structures import CaseInsensitiveDict
 
 text_extractor_regexp_compile = re.compile(r".*\(.*\).*")
 
@@ -197,6 +197,9 @@ class ResponseObject(object):
         else:
             value = self._extract_field_with_delimiter(field)
 
+        if is_py2 and isinstance(value, unicode):
+            value = value.encode("utf-8")
+
         msg += "\t=> {}".format(value)
         logger.log_debug(msg)
 
diff --git a/tests/test_response.py b/tests/test_response.py
index df8c275c..06d78649 100644
--- a/tests/test_response.py
+++ b/tests/test_response.py
@@ -1,6 +1,6 @@
 import requests
 from httprunner import exceptions, response, utils
-from httprunner.compat import bytes, str
+from httprunner.compat import basestring, bytes
 from tests.base import HTTPBIN_SERVER, ApiServerUnittest
 
 
@@ -259,7 +259,7 @@ class TestResponse(ApiServerUnittest):
         ]
         extract_binds_dict = resp_obj.extract_response(extract_binds_list)
 
-        self.assertIsInstance(extract_binds_dict["resp_content"], str)
+        self.assertIsInstance(extract_binds_dict["resp_content"], basestring)
         self.assertIn("httpbin.org", extract_binds_dict["resp_content"])
 
         extract_binds_list = [