From a0417d080c38856137e56e3267563947423dcba2 Mon Sep 17 00:00:00 2001
From: risingLee <871066422@qq.com>
Date: Sat, 7 Feb 2026 01:33:40 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E5=A4=8D=20InfluxDBClient=20=E7=9A=84?=
 =?UTF-8?q?=20=5F=5Fdel=5F=5F=20=E9=94=99=E8=AF=AF=E6=8A=91=E5=88=B6=20Dir?=
 =?UTF-8?q?ectComposition=20=E8=AD=A6=E5=91=8A?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
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---
 influxdb_wrapper.py | 21 ++++++++++++++++++---
 main.py             |  4 ++++
 2 files changed, 22 insertions(+), 3 deletions(-)

diff --git a/influxdb_wrapper.py b/influxdb_wrapper.py
index ab9181d..6120063 100644
--- a/influxdb_wrapper.py
+++ b/influxdb_wrapper.py
@@ -115,17 +115,32 @@ class InfluxDBClient(QObject):
     @Slot()
     def disconnect(self):
         """断开连接"""
+        # 安全地停止定时器（可能在程序退出时已被销毁）
         if self._timer:
-            self._timer.stop()
+            try:
+                self._timer.stop()
+            except RuntimeError:
+                # QTimer 已被销毁，忽略错误
+                pass
+            self._timer = None
         
         if self._client:
-            self._client.close()
+            try:
+                self._client.close()
+            except Exception:
+                # 客户端可能已被关闭，忽略错误
+                pass
             self._client = None
         
         self._is_connected = False
     
     def __del__(self):
-        self.disconnect()
+        """析构函数：安全地清理资源"""
+        try:
+            self.disconnect()
+        except Exception:
+            # 程序退出时 Qt 对象可能已被销毁，忽略所有异常
+            pass
 
 
 
diff --git a/main.py b/main.py
index 18b21df..1e8d719 100644
--- a/main.py
+++ b/main.py
@@ -1540,6 +1540,10 @@ class MainWindow(QMainWindow):
 
 
 def main():
+    # 抑制 Windows 上 QWebEngineView 的 DirectComposition 警告
+    import os
+    os.environ.setdefault('QT_LOGGING_RULES', 'qt.webenginecontext.debug=false')
+    
     app = QApplication(sys.argv)
     win = MainWindow()
     win.show()