From 89a8f1b1755cc1697dc4c39ae08961499f88349e Mon Sep 17 00:00:00 2001
From: Kailigithub <12250313+Kailigithub@users.noreply.github.com>
Date: Sun, 5 Jul 2026 03:10:49 +0800
Subject: [PATCH] fix(tmwebdriver): preserve exception chain in _remote_cmd
 ConnectionError

---
 TMWebDriver.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/TMWebDriver.py b/TMWebDriver.py
index c14535a18..e01dfa63b 100644
--- a/TMWebDriver.py
+++ b/TMWebDriver.py
@@ -243,8 +243,8 @@ def execute_js(self, code, timeout=15, session_id=None) -> Any:
     
     def _remote_cmd(self, cmd):
         try: return requests.post(self.remote, headers={"Content-Type": "application/json"}, json=cmd, timeout=30).json()
-        except (ConnectionError, requests.exceptions.ConnectionError):
-            raise ConnectionError("TMWebDriver master未运行，看tmwebdriver_sop后台启动一个TMWebDriver")
+        except (ConnectionError, requests.exceptions.ConnectionError) as e:
+            raise ConnectionError("TMWebDriver master未运行，看tmwebdriver_sop后台启动一个TMWebDriver") from e
 
     def get_all_sessions(self):  
         if self.is_remote: