diff --git a/desktop_env/evaluators/getters/chrome.py b/desktop_env/evaluators/getters/chrome.py
index cdd9a2b..602aec5 100644
--- a/desktop_env/evaluators/getters/chrome.py
+++ b/desktop_env/evaluators/getters/chrome.py
@@ -533,7 +533,7 @@ def get_open_tabs_info(env, config: Dict[str, str]):
                 ], "shell": False})
 
             headers = {"Content-Type": "application/json"}
-            requests.post("http://" + host + ":" + server_port + "/setup" + "/launch", headers=headers, data=payload)
+            requests.post(f"http://{host}:{server_port}/setup/launch", headers=headers, data=payload)
             time.sleep(5)
             try:
                 browser = p.chromium.connect_over_cdp(remote_debugging_url)