fixed 3202508c from https://gitee.com/suwenxiang12/graphic_ui/pulls/860

Description: Repair variable uninitialized alarm
IssueNo: https://gitee.com/openharmony/graphic_ui/issues/I6A2CW
Feature or Bugfix: Bugfix
Binary Source: No
Signed-off-by: Nsuwenxiang <suwenxiang@huawei.com>

tools/qt/simulator/drivers/display/monitor.h

@@ -26,7 +26,7 @@ class Monitor : public QObject, public SoftEngine {
     Q_OBJECT
 
 public:
-    Monitor() : defaultColor_ (0x44) {}
+    Monitor() : fontPsramBaseAddr_{0}, tftFb_{0}, animaterBuffer_{0}, defaultColor_ (0x44) {}
     virtual ~Monitor() {}
     static Monitor* GetInstance();
     void InitHal();