diff --git a/third/3rd_qcustomplot/smoothcurve.cpp b/third/3rd_qcustomplot/smoothcurve.cpp
index 0977868ae3e2ed750948f3948860a7c674c33b51..f646b16c16a79b532832e3e58ed62c503a9edf7c 100644
--- a/third/3rd_qcustomplot/smoothcurve.cpp
+++ b/third/3rd_qcustomplot/smoothcurve.cpp
@@ -1,4 +1,4 @@
-#include "smoothcurve.h"
+#include "smoothcurve.h"
 #include "qdebug.h"
 
 QPainterPath SmoothCurve::createSmoothCurve(const QVector<QPointF> &points)
diff --git a/third/3rd_qcustomplot/smoothcurve.h b/third/3rd_qcustomplot/smoothcurve.h
index 53bb10397f1f83ac4b855b48caec344ba52b4386..6cbddea0ebb0fcbdb2ccb6991b17e28222bc33e7 100644
--- a/third/3rd_qcustomplot/smoothcurve.h
+++ b/third/3rd_qcustomplot/smoothcurve.h
@@ -1,4 +1,4 @@
-#ifndef SMOOTHCURVE_H
+#ifndef SMOOTHCURVE_H
 #define SMOOTHCURVE_H
 
 #include <QObject>