diff --git a/src/ui/settings_page.cpp b/src/ui/settings_page.cpp
index 4fc3ea8..ea2bdcf 100644
--- a/src/ui/settings_page.cpp
+++ b/src/ui/settings_page.cpp
@@ -411,24 +411,9 @@ void SettingsPage::onResetConfig() {
 }
 
 void SettingsPage::onClearLogs() {
-    // 使用与 Logger 相同的路径逻辑
-    QString logDir = configManager_->get("app.log_dir").toString();
-    if (logDir.isEmpty()) {
-        logDir = QStandardPaths::writableLocation(QStandardPaths::AppDataLocation);
-    }
-
-    auto result = clearDirectoryFiles(logDir, {"*.log"}, "日志文件", TruncateMode);
-    if (result.deletedCount < 0) {
-        QMessageBox::warning(this, "清除日志", "清除失败，请检查目录权限");
-        return;
-    }
-    if (result.deletedCount == 0) {
-        QMessageBox::information(this, "清除日志", "没有可清除的日志文件");
-        return;
-    }
-    QMessageBox::information(this, "清除日志",
-        QString("已清空 %1 个日志文件的内容，释放 %2 KB 空间")
-            .arg(result.deletedCount).arg(result.freedBytes / 1024));
+    Logger::clearLogFile();
+    LOG_INFO(kTag, "日志文件已通过 Logger 清空");
+    QMessageBox::information(this, "清除日志", "日志文件已清空");
     statusLabel_->setText("日志文件已清空");
 }
 
diff --git a/src/utils/logger.cpp b/src/utils/logger.cpp
index 67451a8..b0d2335 100644
--- a/src/utils/logger.cpp
+++ b/src/utils/logger.cpp
@@ -60,6 +60,15 @@ void Logger::setLogFile(const QString& path) {
     }
 }
 
+void Logger::clearLogFile() {
+    QMutexLocker locker(&mutex_);
+    if (logFile_ && logFile_->isOpen()) {
+        logFile_->flush();
+        logFile_->resize(0);
+        logFile_->seek(0);
+    }
+}
+
 void Logger::log(LogLevel level, const QString& tag, const QString& message) {
     QMutexLocker locker(&mutex_);
     QString logLine = QString("[%1] [%2] [%3] %4")
diff --git a/src/utils/logger.h b/src/utils/logger.h
index 4fead08..2c15a14 100644
--- a/src/utils/logger.h
+++ b/src/utils/logger.h
@@ -39,6 +39,9 @@ public:
     /** @brief 设置日志文件路径（运行时切换） */
     static void setLogFile(const QString& path);
 
+    /** @brief 清空日志文件内容（线程安全） */
+    static void clearLogFile();
+
 private:
     static QString levelToString(LogLevel level);
     static QString getTimestamp();