diff --git a/CHANGELOG.md b/CHANGELOG.md
index d07c7b56..5905db50 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,7 @@
 **Features**
 
 - `extract` is used to replace `output` when passing former teststep's (as a testcase) export value to next teststep
+- `export` is used to replace `output` in testcase config
 
 ## 2.2.1 (2019-06-25)
 
diff --git a/httprunner/runner.py b/httprunner/runner.py
index d5f96a6d..7fe68b4f 100644
--- a/httprunner/runner.py
+++ b/httprunner/runner.py
@@ -61,7 +61,7 @@ class Runner(object):
 
         """
         self.verify = config.get("verify", True)
-        self.output = config.get("output", [])
+        self.export = config.get("export") or config.get("output", [])
         self.validation_results = []
         config_variables = config.get("variables", {})
 
@@ -327,7 +327,7 @@ class Runner(object):
                 self.meta_datas.append(_meta_datas)
 
         self.session_context.update_session_variables(
-            test_runner.extract_output(test_runner.output)
+            test_runner.export_variables(test_runner.export)
         )
 
     def run_test(self, test_dict):
@@ -382,8 +382,8 @@ class Runner(object):
             finally:
                 self.meta_datas = self.__get_test_data()
 
-    def extract_output(self, output_variables_list):
-        """ extract output variables
+    def export_variables(self, output_variables_list):
+        """ export current testcase variables
         """
         variables_mapping = self.session_context.session_variables_mapping
 
@@ -391,7 +391,7 @@ class Runner(object):
         for variable in output_variables_list:
             if variable not in variables_mapping:
                 logger.log_warning(
-                    "variable '{}' can not be found in variables mapping, failed to output!"\
+                    "variable '{}' can not be found in variables mapping, failed to export!"\
                         .format(variable)
                 )
                 continue
diff --git a/httprunner/utils.py b/httprunner/utils.py
index f5f712c5..97c01958 100644
--- a/httprunner/utils.py
+++ b/httprunner/utils.py
@@ -328,7 +328,7 @@ def extend_variables(raw_variables, override_variables):
 
 
 def get_testcase_io(testcase):
-    """ get and print testcase input(variables) and output.
+    """ get and print testcase input(variables) and output(export).
 
     Args:
         testcase (unittest.suite.TestSuite): corresponding to one YAML/JSON file, it has been set two attributes:
@@ -340,12 +340,13 @@ def get_testcase_io(testcase):
     """
     test_runner = testcase.runner
     variables = testcase.config.get("variables", {})
-    output_list = testcase.config.get("output", [])
-    output_mapping = test_runner.extract_output(output_list)
+    output_list = testcase.config.get("export") \
+        or testcase.config.get("output", [])
+    export_mapping = test_runner.export_variables(output_list)
 
     return {
         "in": variables,
-        "out": output_mapping
+        "out": export_mapping
     }
 
 
diff --git a/tests/data/demo_testcase_layer.yml b/tests/data/demo_testcase_layer.yml
index 5a0bbd80..48145514 100644
--- a/tests/data/demo_testcase_layer.yml
+++ b/tests/data/demo_testcase_layer.yml
@@ -6,7 +6,7 @@
         os_platform: 'ios'
         app_version: '2.8.6'
     base_url: ${get_base_url()}
-    output:
+    export:
         - token
 
 - test:
diff --git a/tests/test_api.py b/tests/test_api.py
index 694ea9df..c55feb5c 100644
--- a/tests/test_api.py
+++ b/tests/test_api.py
@@ -93,7 +93,7 @@ class TestHttpRunner(ApiServerUnittest):
                         "var1": "abc",
                         "var2": "def"
                     },
-                    "output": ["status_code", "req_data"]
+                    "export": ["status_code", "req_data"]
                 },
                 "teststeps": [
                     {
diff --git a/tests/testcases/create_user.v2.yml b/tests/testcases/create_user.v2.yml
index 35541065..f88dbd8a 100644
--- a/tests/testcases/create_user.v2.yml
+++ b/tests/testcases/create_user.v2.yml
@@ -5,7 +5,7 @@ config:
     variables:
         uid: 9001
         device_sn: "TESTCASE_CREATE_XXX"
-    output:
+    export:
         - session_token
 
 teststeps:
diff --git a/tests/testcases/create_user.yml b/tests/testcases/create_user.yml
index 7b830f6c..9a392438 100644
--- a/tests/testcases/create_user.yml
+++ b/tests/testcases/create_user.yml
@@ -6,7 +6,7 @@
     variables:
         uid: 9001
         device_sn: "TESTCASE_CREATE_XXX"
-    output:
+    export:
         - session_token
 
 - test:
diff --git a/tests/testcases/setup.v2.yml b/tests/testcases/setup.v2.yml
index 3cf58c1d..d9945928 100644
--- a/tests/testcases/setup.v2.yml
+++ b/tests/testcases/setup.v2.yml
@@ -8,7 +8,7 @@ config:
         app_version: '2.8.6'
     base_url: "http://127.0.0.1:5000"
     verify: False
-    output:
+    export:
         - session_token
 
 teststeps:
diff --git a/tests/testcases/setup.yml b/tests/testcases/setup.yml
index 344ff395..ade11425 100644
--- a/tests/testcases/setup.yml
+++ b/tests/testcases/setup.yml
@@ -8,7 +8,7 @@
         app_version: '2.8.6'
     base_url: "http://127.0.0.1:5000"
     verify: False
-    output:
+    export:
         - session_token
 
 - test: