diff --git a/app/src/main/cpp/GPIOControl.cpp b/app/src/main/cpp/GPIOControl.cpp
index 81c98d9d..4d69cecc 100644
--- a/app/src/main/cpp/GPIOControl.cpp
+++ b/app/src/main/cpp/GPIOControl.cpp
@@ -57,7 +57,9 @@ size_t GpioControl::turnOnImpl(const IOT_PARAM& param)
             m_items.push_back(item);
         }
     }
-
+#ifdef _DEBUG
+    ALOGI("PWR TurnOn cmd=%d,result=%d ref=%u\r\n",param.cmd, param.result, (uint32_t)references);
+#endif
     return references;
 }
 
@@ -220,7 +222,9 @@ size_t GpioControl::TurnOff(int cmd, uint32_t delayedCloseTime/* = 0*/)
     }
     m_locker.unlock();
     m_semaphore.release();
-
+#ifdef _DEBUG
+    ALOGI("PWR TurnOff cmd=%d ref=%u\r\n", cmd, (uint32_t)ref);
+#endif
     return 0;
 }