diff --git a/app/src/main/cpp/PhoneDevice.cpp b/app/src/main/cpp/PhoneDevice.cpp
index 1b403c2e..d5baaa9c 100644
--- a/app/src/main/cpp/PhoneDevice.cpp
+++ b/app/src/main/cpp/PhoneDevice.cpp
@@ -438,6 +438,7 @@ CPhoneDevice::CPhoneDevice(JavaVM* vm, jobject service, const std::string& appPa
     m_sensorsStatus = false;
     m_lastTime = 0;
     m_shouldStopWaiting = false;
+    m_collecting = false;
 
     RegisterHandlerForSignal(SIGUSR2);
 
@@ -3508,7 +3509,20 @@ int CPhoneDevice::GetIceData(IDevice::ICE_INFO *iceInfo, IDevice::ICE_TAIL *iceT
     m_tempData.instantaneous_winddirection = 0xff;
     m_tempData.humidity = 0xff;
 
-    Collect_sensor_data();		//15s
+    std::unique_lock<std::mutex> lock(m_collectDataLocker);
+    if (!m_collecting.load()) {
+        m_collecting.store(true);
+        m_CollectDatacv.notify_all();
+        lock.unlock();
+        Collect_sensor_data();		//15s
+        lock.lock();
+        m_collecting.store(false);
+        m_CollectDatacv.notify_all();
+    } else {
+        m_CollectDatacv.wait(lock, [this]{ return !m_collecting.load(); });
+//        m_collecting.store(false);
+    }
+
     Data_DEF airt;
     //++等值覆冰厚度, 综合悬挂载荷, 不均衡张力差 置0
     iceInfo->equal_icethickness = 0xff;
@@ -3629,7 +3643,19 @@ int CPhoneDevice::GetWData(IDevice::WEATHER_INFO *weatherInfo)
     m_tempData.humidity = 0xff;
     bool status = 1;
 
-    Collect_sensor_data();		//15s
+    std::unique_lock<std::mutex> lock(m_collectDataLocker);
+    if (!m_collecting.load()) {
+        m_collecting.store(true);
+        m_CollectDatacv.notify_all();
+        lock.unlock();
+        Collect_sensor_data();		//15s
+        lock.lock();
+        m_collecting.store(false);
+        m_CollectDatacv.notify_all();
+    } else {
+        m_CollectDatacv.wait(lock, [this]{ return !m_collecting.load(); });
+//        m_collecting.store(false);
+    }
 
     Data_DEF airt;
     {
diff --git a/app/src/main/cpp/PhoneDevice.h b/app/src/main/cpp/PhoneDevice.h
index e6dee1e2..31458f3e 100644
--- a/app/src/main/cpp/PhoneDevice.h
+++ b/app/src/main/cpp/PhoneDevice.h
@@ -402,6 +402,10 @@ protected:
     IDevice::ICE_TAIL m_tempData;
 	mutable std::mutex m_dataLocker;
 
+    mutable std::mutex m_collectDataLocker;
+	std::condition_variable m_CollectDatacv;
+	std::atomic<bool> m_collecting;
+
 };