diff --git a/httprunner/loader.py b/httprunner/loader.py
index 35e8b4d7..9b48991c 100644
--- a/httprunner/loader.py
+++ b/httprunner/loader.py
@@ -443,7 +443,7 @@ def load_testcase(raw_testcase):
 
 
 def load_testcase_v2(raw_testcase):
-    """ load testcase in version 2.
+    """ load testcase in format version 2.
 
     Args:
         raw_testcase (dict): raw testcase content loaded from JSON/YAML file:
@@ -482,13 +482,15 @@ def load_testcase_v2(raw_testcase):
 
 def load_testsuite(raw_testsuite):
     """ load testsuite with testcase references.
+        support two different formats.
 
     Args:
         raw_testsuite (dict): raw testsuite content loaded from JSON/YAML file:
+            # version 1, compatible with version < 2.2.0
             {
                 "config": {
-                    "name": "",
-                    "request": {}
+                    "name": "xxx",
+                    "variables": {}
                 }
                 "testcases": {
                     "testcase1": {
@@ -500,6 +502,23 @@ def load_testsuite(raw_testsuite):
                 }
             }
 
+            # version 2, implemented in 2.2.0
+            {
+                "config": {
+                    "name": "xxx",
+                    "variables": {}
+                }
+                "testcases": [
+                    {
+                        "name": "testcase1",
+                        "testcase": "/path/to/testcase",
+                        "variables": {...},
+                        "parameters": {...}
+                    },
+                    {}
+                ]
+            }
+
     Returns:
         dict: loaded testsuite content
             {
@@ -508,10 +527,21 @@ def load_testsuite(raw_testsuite):
             }
 
     """
-    testcases = raw_testsuite["testcases"]
-    for name, raw_testcase in testcases.items():
-        __extend_with_testcase_ref(raw_testcase)
-        raw_testcase.setdefault("name", name)
+    raw_testcases = raw_testsuite.pop("testcases")
+    raw_testsuite["testcases"] = {}
+
+    if isinstance(raw_testcases, dict):
+        # make compatible with version < 2.2.0
+        for name, raw_testcase in raw_testcases.items():
+            __extend_with_testcase_ref(raw_testcase)
+            raw_testcase.setdefault("name", name)
+            raw_testsuite["testcases"][name] = raw_testcase
+    elif isinstance(raw_testcases, list):
+        # format version 2, implemented in 2.2.0
+        for raw_testcase in raw_testcases:
+            __extend_with_testcase_ref(raw_testcase)
+            testcase_name = raw_testcase["name"]
+            raw_testsuite["testcases"][testcase_name] = raw_testcase
 
     return raw_testsuite
 
diff --git a/tests/test_loader.py b/tests/test_loader.py
index b9d46f1d..b7ffbe27 100644
--- a/tests/test_loader.py
+++ b/tests/test_loader.py
@@ -316,17 +316,36 @@ class TestSuiteLoader(unittest.TestCase):
             self.assertEqual(len(loaded_content["teststeps"]), 2)
 
     def test_load_test_file_testsuite(self):
-        loaded_content = loader.load_test_file("tests/testsuites/create_users.yml")
-        self.assertEqual(loaded_content["type"], "testsuite")
+        for loaded_content in [
+            loader.load_test_file("tests/testsuites/create_users.yml"),
+            loader.load_test_file("tests/testsuites/create_users.json")
+        ]:
+            self.assertEqual(loaded_content["type"], "testsuite")
 
-        testcases = loaded_content["testcases"]
-        self.assertEqual(len(testcases), 2)
-        self.assertIn('create user 1000 and check result.', testcases)
-        self.assertIn('testcase_def', testcases["create user 1000 and check result."])
-        self.assertEqual(
-            testcases["create user 1000 and check result."]["testcase_def"]["config"]["name"],
-            "create user and check result."
-        )
+            testcases = loaded_content["testcases"]
+            self.assertEqual(len(testcases), 2)
+            self.assertIn('create user 1000 and check result.', testcases)
+            self.assertIn('testcase_def', testcases["create user 1000 and check result."])
+            self.assertEqual(
+                testcases["create user 1000 and check result."]["testcase_def"]["config"]["name"],
+                "create user and check result."
+            )
+
+    def test_load_test_file_testsuite_v2(self):
+        for loaded_content in [
+            loader.load_test_file("tests/testsuites/create_users.v2.yml"),
+            loader.load_test_file("tests/testsuites/create_users.v2.json")
+        ]:
+            self.assertEqual(loaded_content["type"], "testsuite")
+
+            testcases = loaded_content["testcases"]
+            self.assertEqual(len(testcases), 2)
+            self.assertIn('create user 1000 and check result.', testcases)
+            self.assertIn('testcase_def', testcases["create user 1000 and check result."])
+            self.assertEqual(
+                testcases["create user 1000 and check result."]["testcase_def"]["config"]["name"],
+                "create user and check result."
+            )
 
     def test_load_tests_api_file(self):
         path = os.path.join(
diff --git a/tests/testsuites/create_users.json b/tests/testsuites/create_users.json
new file mode 100644
index 00000000..d504c99f
--- /dev/null
+++ b/tests/testsuites/create_users.json
@@ -0,0 +1,29 @@
+{
+    "testcases": {
+        "create user 1001 and check result.": {
+            "testcase": "testcases/create_user.yml",
+            "variables": {
+                "var_d": "$var_c",
+                "var_c": "${gen_random_string(5)}",
+                "uid": 1001
+            }
+        },
+        "create user 1000 and check result.": {
+            "testcase": "testcases/create_user.yml",
+            "variables": {
+                "var_d": "$var_c",
+                "var_c": "${gen_random_string(5)}",
+                "uid": 1000
+            }
+        }
+    },
+    "config": {
+        "variables": {
+            "device_sn": "${gen_random_string(15)}",
+            "var_b": "$var_a",
+            "var_a": "${gen_random_string(5)}"
+        },
+        "name": "create users with uid",
+        "base_url": "http://127.0.0.1:5000"
+    }
+}
\ No newline at end of file
diff --git a/tests/testsuites/create_users.v2.json b/tests/testsuites/create_users.v2.json
new file mode 100644
index 00000000..de4d5d27
--- /dev/null
+++ b/tests/testsuites/create_users.v2.json
@@ -0,0 +1,31 @@
+{
+    "config": {
+        "variables": {
+            "device_sn": "${gen_random_string(15)}",
+            "var_b": "$var_a",
+            "var_a": "${gen_random_string(5)}"
+        },
+        "name": "create users with uid",
+        "base_url": "http://127.0.0.1:5000"
+    },
+    "testcases": [
+        {
+            "name": "create user 1000 and check result.",
+            "testcase": "testcases/create_user.yml",
+            "variables": {
+                "var_d": "$var_c",
+                "var_c": "${gen_random_string(5)}",
+                "uid": 1000
+            }
+        },
+        {
+            "name": "create user 1001 and check result.",
+            "testcase": "testcases/create_user.yml",
+            "variables": {
+                "var_d": "$var_c",
+                "var_c": "${gen_random_string(5)}",
+                "uid": 1001
+            }
+        }
+    ]
+}
\ No newline at end of file
diff --git a/tests/testsuites/create_users.v2.yml b/tests/testsuites/create_users.v2.yml
new file mode 100644
index 00000000..0714d82f
--- /dev/null
+++ b/tests/testsuites/create_users.v2.yml
@@ -0,0 +1,24 @@
+config:
+    name: create users with uid
+    variables:
+        device_sn: ${gen_random_string(15)}
+        var_a: ${gen_random_string(5)}
+        var_b: $var_a
+    base_url: "http://127.0.0.1:5000"
+
+testcases:
+-
+    name: create user 1000 and check result.
+    testcase: testcases/create_user.yml
+    variables:
+        uid: 1000
+        var_c: ${gen_random_string(5)}
+        var_d: $var_c
+
+-
+    name: create user 1001 and check result.
+    testcase: testcases/create_user.yml
+    variables:
+        uid: 1001
+        var_c: ${gen_random_string(5)}
+        var_d: $var_c