优化开始结束时间获取

customtime.h

@@ -4,10 +4,10 @@
 #include <QThread>
 #include "global.h"
 
-class CustomTimeThread : public QThread {
+class CustomTime : public QThread {
 Q_OBJECT
 public:
-    explicit CustomTimeThread(QObject *parent = nullptr);
+    explicit CustomTime(QObject *parent = nullptr);
 
     void setValue(QVector<int> vector, QString string);