diff --git a/ate/__init__.py b/ate/__init__.py
index 3966a5f1..39cae215 100644
--- a/ate/__init__.py
+++ b/ate/__init__.py
@@ -1 +1 @@
-__version__ = '0.6.1'
\ No newline at end of file
+__version__ = '0.6.2'
\ No newline at end of file
diff --git a/ate/built_in.py b/ate/built_in.py
index ffc1867d..cf272609 100644
--- a/ate/built_in.py
+++ b/ate/built_in.py
@@ -28,3 +28,8 @@ def get_current_date(fmt="%Y-%m-%d"):
     """ get current date, default format is %Y-%m-%d
     """
     return datetime.datetime.now().strftime(fmt)
+
+def sleep(sec):
+    """ sleep specified seconds
+    """
+    time.sleep(sec)
diff --git a/ate/context.py b/ate/context.py
index 49214898..071fa83c 100644
--- a/ate/context.py
+++ b/ate/context.py
@@ -138,7 +138,7 @@ class Context(object):
         )
 
     def get_parsed_request(self):
-        """ get parsed request, with each variable replaced by bind value.
+        """ get parsed request, with bind variables and functions.
         """
         parsed_request = self.testcase_parser.parse_content_with_bindings(
             self.testcase_request_config
@@ -148,3 +148,8 @@ class Context(object):
 
     def get_testcase_variables_mapping(self):
         return self.testcase_variables_mapping
+
+    def exec_content_functions(self, content):
+        """ execute functions in content.
+        """
+        self.testcase_parser.eval_content_functions(content)
diff --git a/ate/runner.py b/ate/runner.py
index 9e8b7b6d..85948743 100644
--- a/ate/runner.py
+++ b/ate/runner.py
@@ -79,7 +79,9 @@ class Runner(object):
                     "body": '{"name": "user", "password": "123456"}'
                 },
                 "extract_binds": [], # optional
-                "validators": []     # optional
+                "validators": [],    # optional
+                "setup": [],         # optional
+                "teardown": []       # optional
             }
         @return True or raise exception during test
         """
@@ -95,8 +97,16 @@ class Runner(object):
         run_times = int(testcase.get("times", 1))
         extract_binds = testcase.get("extract_binds", [])
         validators = testcase.get("validators", [])
+        setup_actions = testcase.get("setup", [])
+        teardown_actions = testcase.get("teardown", [])
+
+        def setup_teardown(actions):
+            for action in actions:
+                self.context.exec_content_functions(action)
 
         for _ in range(run_times):
+            setup_teardown(setup_actions)
+
             resp = self.http_client_session.request(url=url, method=method, **parsed_request)
             resp_obj = response.ResponseObject(resp)
 
@@ -105,6 +115,8 @@ class Runner(object):
 
             resp_obj.validate(validators, self.context.get_testcase_variables_mapping())
 
+            setup_teardown(teardown_actions)
+
         return True
 
     def run_testset(self, testset):
diff --git a/tests/test_context.py b/tests/test_context.py
index 62b7565f..369d30c3 100644
--- a/tests/test_context.py
+++ b/tests/test_context.py
@@ -1,7 +1,8 @@
 import os
+import time
 import unittest
 
-from ate import utils, runner
+from ate import runner, utils
 from ate.context import Context
 from ate.exception import ParamsError
 
@@ -229,3 +230,12 @@ class VariableBindsUnittest(unittest.TestCase):
         self.assertIn("data", parsed_request)
         self.assertEqual(parsed_request["data"], testcase["variable_binds"][2]["data"])
         self.assertEqual(parsed_request["headers"]["secret_key"], "DebugTalk")
+
+    def test_exec_content_functions(self):
+        test_runner = runner.Runner()
+        content = "${sleep(1)}"
+        start_time = time.time()
+        test_runner.context.exec_content_functions(content)
+        end_time = time.time()
+        elapsed_time = end_time - start_time
+        self.assertGreater(elapsed_time, 1)