diff --git a/src/mainwindow.cpp b/src/mainwindow.cpp
index 3b01b23..e76667c 100644
--- a/src/mainwindow.cpp
+++ b/src/mainwindow.cpp
@@ -154,7 +154,7 @@ void MainWindow::initStyle()
     this->setStyleSheet("background-color: #F8FAFC;");
 
     // 添加滚动条样式
-    listView->setStyleSheet(R"(
+    this->setStyleSheet(R"(
         QScrollBar:vertical {
             background: #F3F4F6;
             width: 8px;