diff --git a/test/service/client.py b/test/service/client.py
index 1c2ceb3..55fc202 100644
--- a/test/service/client.py
+++ b/test/service/client.py
@@ -2,9 +2,16 @@
 code = """
 import time
 import os
+import http.client
+
 
 print("hello world")
 print(os.environ)
+print(os.listdir())
+
+conn = http.client.HTTPConnection("www.baidu.com")
+conn.request("GET", "/")
+print(conn.getresponse().read().decode('utf-8'))
 """
 
 if __name__ == "__main__":
diff --git a/test/service/server.py b/test/service/server.py
index e22532e..9c8cf33 100644
--- a/test/service/server.py
+++ b/test/service/server.py
@@ -9,12 +9,15 @@ app = Flask(__name__)
 USER_NAME = "ubuntu"
 ROCKER_PATH = f"/home/{USER_NAME}/rocker/target/debug/rocker"
 
+
 @app.route("/", methods=["POST"])
-def hello_world():
+def main():
+    code = request.json.get("code", "")
+
     _id = str(random.randint(8000_0000, 9000_0000))
     user_path = f"/tmp/{_id}"
     os.mkdir(user_path)
-    code = request.json.get("code", "")
+
     with open(f"{user_path}/main.py", "w") as f:
         f.write(code)