diff --git a/app/src/main/cpp/GPIOControl.cpp b/app/src/main/cpp/GPIOControl.cpp
index 83492d05..0316084a 100644
--- a/app/src/main/cpp/GPIOControl.cpp
+++ b/app/src/main/cpp/GPIOControl.cpp
@@ -209,7 +209,8 @@ size_t GpioControl::TurnOffImmediately(int cmd)
         if (it->cmd == cmd)
         {
             ref = it->references;
-            it->closeCmds++;
+            if(it->closeCmds < it->references)
+                it->closeCmds++;
             it->closeTime = ts;
             break;
         }
@@ -237,7 +238,8 @@ size_t GpioControl::TurnOff(int cmd, uint32_t delayedCloseTime/* = 0*/)
         if (it->cmd == cmd)
         {
             ref = it->references;
-            it->closeCmds++;
+            if(it->closeCmds < it->references)
+                it->closeCmds++;
             if (ts > it->closeTime)
             {
                 it->closeTime = ts;
@@ -270,7 +272,8 @@ size_t GpioControl::TurnOff(const std::vector<int>& cmds, uint32_t delayedCloseT
         {
             if (it->cmd == *itCmd)
             {
-                it->closeCmds++;
+                if(it->closeCmds < it->references)
+                    it->closeCmds++;
                 if (ts > it->closeTime)
                 {
                     it->closeTime = ts;
@@ -298,7 +301,8 @@ size_t GpioControl::TurnOff(const std::vector<std::pair<int, uint32_t> >& cmds)
         {
             if (it->cmd == itCmd->first)
             {
-                it->closeCmds++;
+                if(it->closeCmds < it->references)
+                    it->closeCmds++;
                 if (itCmd->second != 0)
                 {
                     ts2 = itCmd->second + ts;
@@ -354,6 +358,8 @@ void GpioControl::PowerControlThreadProc()
                 else
                 {
                     it->references -= it->closeCmds;
+                    if(it->references < 0)
+                        it->references = 0;
                 }
                 it->closeCmds = 0;
             }
diff --git a/app/src/main/cpp/PhoneDevice.cpp b/app/src/main/cpp/PhoneDevice.cpp
index 88a333ed..21b0ae43 100644
--- a/app/src/main/cpp/PhoneDevice.cpp
+++ b/app/src/main/cpp/PhoneDevice.cpp
@@ -2013,8 +2013,6 @@ bool CPhoneDevice::OpenPTZSensors(uint32_t sec)
     ReleaseWakelock(wid);
 
     return m_cameraStatus;
-
-
 }
 
 bool CPhoneDevice::ClosePTZSensors(uint32_t delayedCloseTime)
@@ -2023,6 +2021,7 @@ bool CPhoneDevice::ClosePTZSensors(uint32_t delayedCloseTime)
 
     if(m_sensorsStatus && !m_cameraStatus)
     {
+        localDelayTime = GetMicroTimeStamp();
         m_shouldStopWaiting.store(true);
     }
     else