diff --git a/docs/CHANGELOG.md b/docs/CHANGELOG.md
index caa293f7..cc7eabac 100644
--- a/docs/CHANGELOG.md
+++ b/docs/CHANGELOG.md
@@ -11,6 +11,7 @@
 - fix: ensure converted python file in utf-8 encoding
 - fix: duplicate running referenced testcase
 - fix: ensure compatibility issues between testcase format v2 and v3
+- fix: UnicodeDecodeError when request body in protobuf
 
 ## 3.0.5 (2020-05-22)
 
diff --git a/httprunner/client.py b/httprunner/client.py
index f5474ce3..54f168e1 100644
--- a/httprunner/client.py
+++ b/httprunner/client.py
@@ -45,7 +45,7 @@ def get_req_resp_record(resp_obj: Response) -> ReqRespData:
     request_body = resp_obj.request.body
     try:
         request_body = json.loads(request_body)
-    except json.JSONDecodeError:
+    except (json.JSONDecodeError, UnicodeDecodeError):
         pass
 
     if request_body: