From ff42b288a6facaf8aa7feb37c6fc0a2d41c79281 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E6=B8=A0=E7=A3=8A?= <xuyan.wxy@oceanbase.com>
Date: Thu, 5 Dec 2024 20:37:44 +0800
Subject: [PATCH] fix parse_env_display when env_list is None

---
 common/tool.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/common/tool.py b/common/tool.py
index 96e49d13..1a03f949 100644
--- a/common/tool.py
+++ b/common/tool.py
@@ -1235,6 +1235,8 @@ def parse_env(env_string, stdio=None):
     @staticmethod
     def parse_env_display(env_list):
         env_dict = {}
+        if not env_list:
+            return {}
         for env_string in env_list:
             # 分割键和值
             key_value = env_string.split('=', 1)