diff --git a/common/waifu2x.cpp b/common/waifu2x.cpp
index 6e22a1c..d2bb3c9 100644
--- a/common/waifu2x.cpp
+++ b/common/waifu2x.cpp
@@ -522,8 +522,14 @@ void Waifu2x::quit_liblary()
 {
 	g_ConvCcuDNNAlgorithm.Save();
 	g_DeconvCcuDNNAlgorithm.Save();
+
+	caffe::GlobalFinalize();
 }
 
+void Waifu2x::quit_thread_liblary()
+{
+	caffe::ThreadFinalize();
+}
 
 Waifu2x::Waifu2x() : mIsInited(false), mNoiseLevel(0), mIsCuda(false), mOutputBlock(nullptr), mOutputBlockSize(0), mGPUNo(0)
 {}
diff --git a/common/waifu2x.h b/common/waifu2x.h
index eecb5be..6d93080 100644
--- a/common/waifu2x.h
+++ b/common/waifu2x.h
@@ -125,6 +125,7 @@ public:
 
 	static void init_liblary(int argc, char** argv);
 	static void quit_liblary();
+	static void quit_thread_liblary();
 
 	// mode: noise or scale or noise_scale or auto_scale
 	// process: cpu or gpu or cudnn
diff --git a/waifu2x-caffe-dll/Source.cpp b/waifu2x-caffe-dll/Source.cpp
index b532595..bb4a2ff 100644
--- a/waifu2x-caffe-dll/Source.cpp
+++ b/waifu2x-caffe-dll/Source.cpp
@@ -85,3 +85,9 @@ void Waifu2xDestory(void *waifu2xObj)
 		delete obj;
 	}
 }
+
+__declspec(dllexport)
+void Waifu2xGlobalDestroy()
+{
+	Waifu2x::quit_liblary();
+}
diff --git a/waifu2x-caffe-gui/MainDialog.cpp b/waifu2x-caffe-gui/MainDialog.cpp
index 3c8a4b1..04691a0 100644
--- a/waifu2x-caffe-gui/MainDialog.cpp
+++ b/waifu2x-caffe-gui/MainDialog.cpp
@@ -804,6 +804,8 @@ void DialogEvent::ProcessWaifu2x()
 			}
 		}
 
+		Waifu2x::quit_thread_liblary();
+
 		const auto ProcessEndTime = std::chrono::system_clock::now();
 
 		cuDNNCheckTime = cuDNNCheckEndTime - cuDNNCheckStartTime;