diff --git a/app/src/main/cpp/GPIOControl.cpp b/app/src/main/cpp/GPIOControl.cpp
index 08831424..4edc5fb6 100644
--- a/app/src/main/cpp/GPIOControl.cpp
+++ b/app/src/main/cpp/GPIOControl.cpp
@@ -202,12 +202,14 @@ size_t GpioControl::TurnOff(int cmd, uint32_t delayedCloseTime/* = 0*/)
     {
         ts = time(NULL) + delayedCloseTime;
     }
+    size_t ref = 0;
     std::vector<ITEM>::iterator it;
     m_locker.lock();
     for (it = m_items.begin(); it != m_items.end(); ++it)
     {
         if (it->cmd == cmd)
         {
+            ref = it->references;
             it->closeCmds++;
             if (ts > it->closeTime)
             {
@@ -217,6 +219,7 @@ size_t GpioControl::TurnOff(int cmd, uint32_t delayedCloseTime/* = 0*/)
         }
     }
     m_locker.unlock();
+    m_semaphore.release();
 
     return 0;
 }
@@ -247,7 +250,9 @@ size_t GpioControl::TurnOff(const std::vector<int>& cmds, uint32_t delayedCloseT
             }
         }
     }
-
+    m_locker.unlock();
+    m_semaphore.release();
+    
     return 0;
 }
 
@@ -277,6 +282,8 @@ size_t GpioControl::TurnOff(const std::vector<std::pair<int, uint32_t> >& cmds)
             }
         }
     }
+    m_locker.unlock();
+    m_semaphore.release();
 
     return 0;
 }