diff --git a/httprunner/api.py b/httprunner/api.py
index 98b383be..52f4345d 100644
--- a/httprunner/api.py
+++ b/httprunner/api.py
@@ -244,21 +244,27 @@ def prepare_locust_tests(path):
     parsed_tests_mapping = parser.parse_tests(tests_mapping)
 
     functions = parsed_tests_mapping.get("project_mapping", {}).get("functions", {})
-    testcase = parsed_tests_mapping["testcases"][0]
-    items = testcase.get("teststeps", [])
 
     tests = []
-    for item in items:
-        if "config" in item:
-            # embeded testcase
-            weight = item["config"].get("weight", 1)
-        else:
-            # API test
-            weight = item.get("weight", 1)
 
-        # implement weight for tests
-        for _ in range(weight):
-            tests.append(item)
+    for testcase in parsed_tests_mapping["testcases"]:
+        testcase_weight = testcase.get("config", {}).get("weight", 1)
+        items = testcase.get("teststeps", [])
+
+        testcase_tests = []
+        for item in items:
+            if "config" in item:
+                # embeded testcase
+                weight = item["config"].get("weight", 1)
+            else:
+                # API test
+                weight = item.get("weight", 1)
+
+            # implement weight for tests
+            for _ in range(weight):
+                testcase_tests.append(item)
+
+        tests.extend(testcase_tests * testcase_weight)
 
     return {
         "functions": functions,
diff --git a/httprunner/parser.py b/httprunner/parser.py
index fc1cad58..cb63600c 100644
--- a/httprunner/parser.py
+++ b/httprunner/parser.py
@@ -942,6 +942,9 @@ def __get_parsed_testsuite_testcases(testcases, testsuite_config, project_mappin
         parsed_testcase["path"] = testcase["testcase"]
         parsed_testcase["config"]["name"] = testcase_name
 
+        if "weight" in testcase:
+            parsed_testcase["config"]["weight"] = testcase["weight"]
+
         # base_url priority: testcase config > testsuite config
         parsed_testcase["config"].setdefault("base_url", testsuite_base_url)
 
diff --git a/tests/locust_tests/demo_locust_with_layer.yml b/tests/locust_tests/demo_locust_with_layer.yml
new file mode 100644
index 00000000..352d4932
--- /dev/null
+++ b/tests/locust_tests/demo_locust_with_layer.yml
@@ -0,0 +1,18 @@
+config:
+    name: create users with uid
+    variables:
+        - device_sn: ${gen_random_string(15)}
+    base_url: "http://127.0.0.1:5000"
+
+testcases:
+    create user 1000 and check result.:
+        testcase: testcases/create_and_check.yml
+        weight: 2
+        variables:
+            uid: 1000
+
+    create user 1001 and check result.:
+        testcase: testcases/create_and_check.yml
+        weight: 3
+        variables:
+            uid: 1001
diff --git a/tests/test_api.py b/tests/test_api.py
index 2a976ca4..e0da1d1a 100644
--- a/tests/test_api.py
+++ b/tests/test_api.py
@@ -598,3 +598,12 @@ class TestLocust(unittest.TestCase):
         self.assertEqual(len(locust_tests["tests"]), 10)
         self.assertEqual(locust_tests["tests"][0]["name"], "index")
         self.assertEqual(locust_tests["tests"][9]["name"], "user-agent")
+
+    def test_prepare_locust_tests_with_layer(self):
+        path = os.path.join(
+            os.getcwd(), 'tests/locust_tests/demo_locust_with_layer.yml')
+        locust_tests = prepare_locust_tests(path)
+        self.assertIn("gen_md5", locust_tests["functions"])
+        self.assertEqual(len(locust_tests["tests"]), 4 * 2 + 4 * 3)
+        self.assertIn("setup and reset all (override)", locust_tests["tests"][0]["config"]["name"])
+        self.assertIn("check if user ", locust_tests["tests"][19]["name"])