diff --git a/scripts/ci_notify_failure.py b/scripts/ci_notify_failure.py
index ffe13b47c..7310a0f92 100755
--- a/scripts/ci_notify_failure.py
+++ b/scripts/ci_notify_failure.py
@@ -16,20 +16,24 @@ def run_diagnosis() -> dict:
     diag_script = os.path.join(os.path.dirname(os.path.abspath(__file__)), "ci/ci_failure_diagnosis.py")
     if not os.path.exists(diag_script):
         diag_script = "scripts/ci/ci_failure_diagnosis.py"
-    
-    result = {"category": "unknown", "category_cn": "未知", "severity": "medium",
-              "summary": "", "error_lines": [], "suggestions": [], "auto_fixable": False}
-    
+
+    result = {
+        "category": "unknown",
+        "category_cn": "未知",
+        "severity": "medium",
+        "summary": "",
+        "error_lines": [],
+        "suggestions": [],
+        "auto_fixable": False,
+    }
+
     try:
         # 运行诊断脚本
         env = os.environ.copy()
         env["DIAGNOSIS_OUTPUT"] = "/tmp/ci_diagnosis_result.json"
-        
-        proc = subprocess.run(
-            [sys.executable, diag_script],
-            capture_output=True, text=True, timeout=30, env=env
-        )
-        
+
+        proc = subprocess.run([sys.executable, diag_script], capture_output=True, text=True, timeout=30, env=env)
+
         # 尝试读取结果文件
         output_file = "/tmp/ci_diagnosis_result.json"
         if os.path.exists(output_file):
@@ -40,7 +44,7 @@ def run_diagnosis() -> dict:
             pass
     except Exception as e:
         print(f"诊断脚本执行失败: {e}", file=sys.stderr)
-    
+
     return result
 
 
@@ -61,21 +65,21 @@ def main() -> int:
 
     # 运行诊断
     diagnosis = run_diagnosis()
-    
+
     # 构建卡片内容
     severity_color = {"high": "red", "medium": "orange", "low": "blue"}
     card_status = severity_color.get(diagnosis.get("severity", "medium"), "red")
-    
+
     # 标题
     title = f"❌ CI失败 - {diagnosis.get('category_cn', '未知')}"
-    
+
     # 诊断部分
     diag_lines = []
     diag_lines.append(f"**任务**: {failed_job}")
     diag_lines.append(f"**分类**: {diagnosis.get('category_cn', '未知')}")
     if diagnosis.get("summary"):
         diag_lines.append(f"**问题**: {diagnosis['summary']}")
-    
+
     # 错误行
     error_lines = diagnosis.get("error_lines", [])
     if error_lines:
@@ -85,7 +89,7 @@ def main() -> int:
             if len(err) > 100:
                 err = err[:97] + "..."
             diag_lines.append(f"`{err}`")
-    
+
     # 修复建议
     suggestions = diagnosis.get("suggestions", [])
     if suggestions:
@@ -93,7 +97,7 @@ def main() -> int:
         diag_lines.append("**修复建议**:")
         for i, s in enumerate(suggestions[:3], 1):
             diag_lines.append(f"{i}. {s}")
-    
+
     if diagnosis.get("auto_fixable"):
         diag_lines.append("")
         diag_lines.append("💡 *可自动修复的问题，试试Rerun*")
@@ -106,7 +110,7 @@ def main() -> int:
     ]
     if pr_number:
         info_lines.append(f"**PR**: #{pr_number}")
-    
+
     elements = [
         {
             "tag": "div",