diff --git a/httprunner/api.py b/httprunner/api.py
index bb9d3090..6f8770eb 100644
--- a/httprunner/api.py
+++ b/httprunner/api.py
@@ -47,13 +47,15 @@ class HttpRunner(object):
                 except exceptions.MyBaseFailure as ex:
                     self.fail(str(ex))
                 finally:
-                    if hasattr(test_runner.http_client_session, "meta_data"):
-                        self.meta_data = test_runner.http_client_session.meta_data
-                        self.meta_data["validators"] = test_runner.evaluated_validators
-                        test_runner.http_client_session.init_meta_data()
+                    self.meta_data = test_runner.get_test_data()
+
+            if "config" in test_dict:
+                # run nested testcase
+                test.__doc__ = test_dict["config"].get("name")
+            else:
+                # run api test
+                test.__doc__ = test_dict.get("name")
 
-            # TODO: refactor
-            test.__doc__ = test_dict.get("name") or test_dict.get("config", {}).get("name")
             return test
 
         test_suite = unittest.TestSuite()
diff --git a/httprunner/report.py b/httprunner/report.py
index b3b3300d..0da55305 100644
--- a/httprunner/report.py
+++ b/httprunner/report.py
@@ -186,11 +186,8 @@ class HtmlTestResult(unittest.TextTestResult):
             'name': test.shortDescription(),
             'status': status,
             'attachment': attachment,
-            "meta_data": {}
+            "meta_data": test.meta_data
         }
-        if hasattr(test, "meta_data"):
-            data["meta_data"] = test.meta_data
-
         self.records.append(data)
 
     def startTestRun(self):
diff --git a/httprunner/runner.py b/httprunner/runner.py
index db622bd9..7dd05360 100644
--- a/httprunner/runner.py
+++ b/httprunner/runner.py
@@ -68,6 +68,19 @@ class Runner(object):
         if self.testcase_teardown_hooks:
             self.do_hook_actions(self.testcase_teardown_hooks, "teardown")
 
+    def clear_test_data(self):
+        """ clear request and response data
+        """
+        self.evaluated_validators = []
+        self.http_client_session.init_meta_data()
+
+    def get_test_data(self):
+        """ get request/response data and validate results
+        """
+        meta_data = self.http_client_session.meta_data
+        meta_data["validators"] = self.evaluated_validators
+        return meta_data
+
     def _handle_skip_feature(self, test_dict):
         """ handle skip feature for test
             - skip: skip current test unconditionally
@@ -162,6 +175,9 @@ class Runner(object):
             exceptions.ExtractFailure
 
         """
+        # clear meta data first to ensure independence for each test
+        self.clear_test_data()
+
         # check skip
         self._handle_skip_feature(test_dict)
 
@@ -270,7 +286,7 @@ class Runner(object):
                     }
                 }
 
-                # embeded testcase
+                # nested testcase
                 {
                     "config": {...},
                     "tests": [
@@ -287,6 +303,7 @@ class Runner(object):
 
         """
         if "config" in test_dict:
+            # nested testcase
             self._run_testcase(test_dict)
         else:
             # api