diff --git a/QMDemo.pro b/QMDemo.pro
index 08391df7546cf376e2271289a0d6d86e6984abb6..2b16def1fc5a62b68d70e7b0fa4d7fff33f49e36 100644
--- a/QMDemo.pro
+++ b/QMDemo.pro
@@ -23,6 +23,6 @@ SUBDIRS += XlsxDemo                       # Qt使用QXlsx读写Excel Demo
 SUBDIRS += QtChartsDemo                   # Qt使用QtCharts绘制图表 Demo
 SUBDIRS += QSqlDemo                       # Qt使用数据库Demo
 SUBDIRS += PaintingDemo                   # 使用 QPainter绘制图片
-SUBDIRS += Web                            # Qt并发编程示例
+SUBDIRS += Web                            # Qt + web编程
 SUBDIRS += ConcurrentExamples             # Qt并发编程示例
 
diff --git a/QtChartsDemo/Audio/xyseriesiodevice.cpp b/QtChartsDemo/Audio/xyseriesiodevice.cpp
index 11b3fc1998d3141e51106a3e70a2c838425a6819..dcc35a02d29cfb124c60c63f73f79aa15c7481b6 100644
--- a/QtChartsDemo/Audio/xyseriesiodevice.cpp
+++ b/QtChartsDemo/Audio/xyseriesiodevice.cpp
@@ -1,6 +1,5 @@
 #include "xyseriesiodevice.h"
 #include <QLineSeries>
-#include <QPointF>
 #include <qdebug.h>
 #include <qvalueaxis.h>
 
diff --git a/QtChartsDemo/Audio/xyseriesiodevice.h b/QtChartsDemo/Audio/xyseriesiodevice.h
index 5537493052147f366fdf47fa9a5d9c4827050333..d662080471478698b9dc891e1f014cc7bb9fff89 100644
--- a/QtChartsDemo/Audio/xyseriesiodevice.h
+++ b/QtChartsDemo/Audio/xyseriesiodevice.h
@@ -15,6 +15,7 @@
 #include <QChartGlobal>
 #include <QVector>
 #include <QElapsedTimer>
+#include <QPointF>
 
 QT_CHARTS_BEGIN_NAMESPACE
 class QXYSeries;