diff --git a/examples/postman_echo/debugtalk.py b/examples/postman_echo/debugtalk.py
index 849bd537..d0502409 100644
--- a/examples/postman_echo/debugtalk.py
+++ b/examples/postman_echo/debugtalk.py
@@ -7,3 +7,9 @@ def get_httprunner_version():
 
 def sum_two(m, n):
     return m + n
+
+
+def get_variables():
+    return {
+        "foo1": "session_bar1"
+    }
diff --git a/examples/postman_echo/request_methods/demo_testsuite.yml b/examples/postman_echo/request_methods/demo_testsuite.yml
index b96d04ca..946d37d7 100644
--- a/examples/postman_echo/request_methods/demo_testsuite.yml
+++ b/examples/postman_echo/request_methods/demo_testsuite.yml
@@ -1,6 +1,6 @@
 config:
     name: "demo testsuite"
-#    variables: ${get_variable()}
+    variables: ${get_variables()}
 
 testcases:
 -
diff --git a/httprunner/ext/make/__init__.py b/httprunner/ext/make/__init__.py
index 4ddfd977..b9fac1de 100644
--- a/httprunner/ext/make/__init__.py
+++ b/httprunner/ext/make/__init__.py
@@ -11,8 +11,9 @@ from httprunner.loader import (
     load_test_file,
     load_testcase,
     load_testsuite,
-    get_project_working_directory,
+    load_project_meta,
 )
+from httprunner.parser import parse_data
 
 __TMPL__ = """# NOTICE: Generated By HttpRunner. DO'NOT EDIT!
 # FROM: {{ testcase_path }}
@@ -112,10 +113,19 @@ def make_testsuite(testsuite: Dict) -> List[Text]:
 
     config = testsuite["config"]
     testsuite_path = config["path"]
+    project_meta = load_project_meta(testsuite_path)
+    project_working_directory = project_meta.PWD
+
+    testsuite_variables = config.get("variables", {})
+    if isinstance(testsuite_variables, Text):
+        # get variables by function, e.g. ${get_variables()}
+        testsuite_variables = parse_data(
+            testsuite_variables, {}, project_meta.functions
+        )
+
     logger.info(f"start to make testsuite: {testsuite_path}")
 
     testcase_files = []
-    project_working_directory = get_project_working_directory(testsuite_path)
 
     for testcase in testsuite["testcases"]:
         # get referenced testcase content
@@ -132,12 +142,8 @@ def make_testsuite(testsuite: Dict) -> List[Text]:
             testcase_dict["config"]["base_url"] = base_url
         # override variables
         testcase_dict["config"].setdefault("variables", {})
-        testcase_dict["config"]["variables"].update(
-            testcase.get("variables", {})
-        )
-        testcase_dict["config"]["variables"].update(
-            testsuite["config"].get("variables", {})
-        )
+        testcase_dict["config"]["variables"].update(testcase.get("variables", {}))
+        testcase_dict["config"]["variables"].update(testsuite_variables)
 
         # create directory with testsuite file name, put its testcases under this directory
         testcase_dict["config"]["path"] = os.path.join(
diff --git a/httprunner/schema.py b/httprunner/schema.py
index b56bedfa..feae1fb5 100644
--- a/httprunner/schema.py
+++ b/httprunner/schema.py
@@ -36,7 +36,8 @@ class TConfig(BaseModel):
     name: Name
     verify: Verify = False
     base_url: BaseUrl = ""
-    variables: VariablesMapping = {}
+    # Text: prepare variables in debugtalk.py, ${get_variable()}
+    variables: Union[VariablesMapping, Text] = {}
     setup_hooks: Hook = []
     teardown_hooks: Hook = []
     export: Export = []