添加析构函数

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: