修正显示显卡和硬盘利用率时，有时会显示“--”的问题

Author: zhongyang219

TrafficMonitor/TrafficMonitorDlg.cpp

@@ -1376,9 +1376,9 @@ void CTrafficMonitorDlg::DoMonitorAcquisition()
     {
         if (m_gpu_usage_helper.GetGpuUsage(theApp.m_gpu_usage))
             gpu_usage_acquired = true;
+        else
+            theApp.m_gpu_usage = -1;
     }
-    if (!gpu_usage_acquired)
-        theApp.m_gpu_usage = -1;
 
     //获取硬盘利用率
     if (lite_version /*|| is_arm64ec*/ || !theApp.m_general_data.IsHardwareEnable(HI_HDD))
@@ -1405,9 +1405,9 @@ void CTrafficMonitorDlg::DoMonitorAcquisition()
         }
         if (m_disk_usage_helper.GetDiskUsage(disk_index, theApp.m_hdd_usage))
             m_get_disk_usage_by_pdh = true;
+        else
+            theApp.m_hdd_usage = -1;
     }
-    if (!m_get_disk_usage_by_pdh)
-        theApp.m_hdd_usage = -1;
 
     //获取内存利用率
     MEMORYSTATUSEX statex;
@@ -1418,10 +1418,6 @@ void CTrafficMonitorDlg::DoMonitorAcquisition()
     theApp.m_total_memory = static_cast<int>(statex.ullTotalPhys / 1024);
 
 #ifndef WITHOUT_TEMPERATURE
-    theApp.m_cpu_temperature = -1;
-    theApp.m_gpu_temperature = -1;
-    theApp.m_hdd_temperature = -1;
-    theApp.m_main_board_temperature = -1;
     //获取温度
     if (IsTemperatureNeeded() && theApp.m_pMonitor != nullptr)
     {