diff --git a/app/src/main/cpp/GPIOControl.cpp b/app/src/main/cpp/GPIOControl.cpp
index 1619c2d4..fd1227e1 100644
--- a/app/src/main/cpp/GPIOControl.cpp
+++ b/app/src/main/cpp/GPIOControl.cpp
@@ -35,6 +35,7 @@ size_t GpioControl::turnOnImpl(const IOT_PARAM& param)
     std::vector<ITEM>::iterator it;
     int res = 0;
     int fd = -1;
+    time_t now = time(NULL);
 
     fd = open(GPIO_NODE_MP, O_RDONLY);
     if( fd > 0 )
@@ -49,13 +50,16 @@ size_t GpioControl::turnOnImpl(const IOT_PARAM& param)
                 it->references++;
                 // it->closeTime = 0;
                 references = it->references;
+                if(it->openTime == 0)
+                    it->openTime = now;
                 SetCamerastatus(it->cmd, true);
                 break;
             }
         }
         if (it == m_items.end())
         {
-            ITEM item = {param.cmd, references, 0, 0};
+            ITEM item = {param.cmd, references, 0, 0, 0};
+            item.openTime = now;
             m_items.push_back(item);
             SetCamerastatus(param.cmd, true);
         }
@@ -328,7 +332,10 @@ bool GpioControl::SetCamerastatus(int cmd, bool status)
 #endif
 #ifdef USING_PLZ
     if(cmd == CMD_SET_PTZ_PWR_ENABLE)
+    {
         m_cameraPowerStatus = status;
+    }
+
 #endif
     return true;
 }
@@ -337,6 +344,28 @@ bool GpioControl::GetCamerastatus()
     return m_cameraPowerStatus;
 }
 
+bool GpioControl::GetSelftestStatus(time_t wait_time)
+{
+    int cmd;
+#ifdef USING_N938
+    cmd = CMD_SET_PIC1_POWER;
+#endif
+#ifdef USING_PLZ
+    cmd = CMD_SET_PTZ_PWR_ENABLE;
+#endif
+    time_t now = time(NULL);
+    std::vector<ITEM>::iterator it;
+    for (it = m_items.begin(); it != m_items.end(); ++it)
+    {
+        if (it->cmd == cmd && (now - it->openTime >= wait_time))
+        {
+            return true;
+        }
+    }
+    return false;
+
+}
+
 void GpioControl::PowerControlThreadProc()
 {
     time_t ts = 0;
@@ -389,6 +418,7 @@ void GpioControl::PowerControlThreadProc()
                     // close it directly
                     setInt(it->cmd, 0);
                     it->closeTime = 0;
+                    it->openTime = 0;
 #ifdef _DEBUG
                     ALOGI("PWR THREAD DO TurnOff cmd=%d", it->cmd);
 #endif
diff --git a/app/src/main/cpp/GPIOControl.h b/app/src/main/cpp/GPIOControl.h
index 09752c38..3f8716a6 100644
--- a/app/src/main/cpp/GPIOControl.h
+++ b/app/src/main/cpp/GPIOControl.h
@@ -154,6 +154,7 @@ public:
         size_t references;
         size_t closeCmds;
         time_t closeTime;
+        time_t openTime;
     };
 
 private:
@@ -179,6 +180,7 @@ public:
     static size_t TurnOffImmediately(int cmd);
     static bool SetCamerastatus(int cmd, bool status);
     static bool GetCamerastatus();
+    static bool GetSelftestStatus(time_t wait_time);
 
     static void PowerControlThreadProc();
 
diff --git a/app/src/main/cpp/PhoneDevice.cpp b/app/src/main/cpp/PhoneDevice.cpp
index fe6972ff..6855ba5b 100644
--- a/app/src/main/cpp/PhoneDevice.cpp
+++ b/app/src/main/cpp/PhoneDevice.cpp
@@ -1491,8 +1491,11 @@ bool CPhoneDevice::TakePhotoWithNetCamera(IDevice::PHOTO_INFO& localPhotoInfo, c
     // AutoEnv autoEnv(pThis->m_vm);
     time_t ts = time(NULL);
     uint32_t waitTime = localPhotoInfo.selfTestingTime;
-    waitTime = (waitTime!= 0) ? (waitTime * 1024) : 10240;
-    std::this_thread::sleep_for(std::chrono::milliseconds(waitTime));
+    if(!GpioControl::GetSelftestStatus(waitTime))
+    {
+        waitTime = (waitTime != 0) ? (waitTime * 1024) : 10240;
+        std::this_thread::sleep_for(std::chrono::milliseconds(waitTime));
+    }
 
     SetStaticIp();
     std::this_thread::sleep_for(std::chrono::milliseconds(256));