diff --git a/RateSeveral.cpp b/RateSeveral.cpp
index deec900..8a7d1cb 100644
--- a/RateSeveral.cpp
+++ b/RateSeveral.cpp
@@ -12,6 +12,10 @@ RateSeveral::RateSeveral(QObject *parent) :
     connect(&timer, SIGNAL(timeout()), this, SLOT(onTimerTimeout()));
 }
 
+RateSeveral::~RateSeveral() {
+    timer.stop();
+}
+
 void RateSeveral::setTimerInterval(qint32 second) {
     timer.start(second * 1000);
 }
@@ -44,7 +48,6 @@ void RateSeveral::record(quint32 val) {
     recordList.last().second.fetchAndAddAcquire(val);
 }
 
-
 void RateSeveral::onTimerTimeout() {
     intervalLock.lockForRead();
     auto interval = vInterval;
diff --git a/RateSeveral.h b/RateSeveral.h
index be19e47..f9ef490 100644
--- a/RateSeveral.h
+++ b/RateSeveral.h
@@ -18,6 +18,8 @@ Q_OBJECT
 public:
     explicit RateSeveral(QObject *parent = nullptr);
 
+    virtual ~RateSeveral();
+
     void setTimerInterval(qint32 second);
 
     void addRateInterval(quint32 second);
@@ -30,8 +32,8 @@ public:
 
     void setMaxListSize(quint32 maxSize);
 
-signals:
 
+signals:
     void RateSignals(quint32 interval, quint32 rate);
 
 protected slots: