diff --git a/README.md b/README.md
index 9067872..3a710af 100644
--- a/README.md
+++ b/README.md
@@ -2,6 +2,8 @@
 
 一个用C++编写的极速ncm转换工具。
 
+从v1.2开始支持多线程解密。
+
 多线程命令行版本见[Majjcom/ncmpp](https://github.com/Majjcom/ncmpp)。
 
 ## 使用方法
diff --git a/ncmppGui/android/AndroidManifest.xml b/ncmppGui/android/AndroidManifest.xml
index e221f1f..eaa3c6b 100644
--- a/ncmppGui/android/AndroidManifest.xml
+++ b/ncmppGui/android/AndroidManifest.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0"?>
-<manifest package="site.majjcom.ncmppgui" xmlns:android="http://schemas.android.com/apk/res/android" android:versionName="1.1.0" android:versionCode="100100000" android:installLocation="auto">
+<manifest package="site.majjcom.ncmppgui" xmlns:android="http://schemas.android.com/apk/res/android" android:versionName="1.2.0" android:versionCode="100200000" android:installLocation="auto">
 
 
     <!-- The following comment will be replaced upon deployment with default permissions based on the dependencies of the application.
diff --git a/ncmppGui/ncmppGui.pro b/ncmppGui/ncmppGui.pro
index b7ce541..664d8e2 100644
--- a/ncmppGui/ncmppGui.pro
+++ b/ncmppGui/ncmppGui.pro
@@ -24,7 +24,8 @@ SOURCES += \
     src/pkcs7.cpp \
     src/qlistwidget_withdrop.cpp \
     src/unlocker.cpp \
-    src/getpath.cpp
+    src/getpath.cpp \
+    src/unlockrunner.cpp
 
 HEADERS += \
     src/base64.h \
@@ -33,7 +34,8 @@ HEADERS += \
     src/pkcs7.h \
     src/qlistwidget_withdrop.h \
     src/unlocker.h \
-    src/getpath.h
+    src/getpath.h \
+    src/unlockrunner.h
 
 FORMS += \
     ui/mainwindow.ui
@@ -56,7 +58,7 @@ DEPENDPATH += $$PWD/ext/include
 win32:!win32-g++: PRE_TARGETDEPS += \
     $$PWD/ext/lib/libssl_static.lib \
     $$PWD/ext/lib/libcrypto_static.lib
-android: include(E:/Android/android-sdk-windows/android_openssl/openssl_use.pri)
+android: include(E:/Android/android-sdk-windows/android_openssl/openssl_use_armv7.pri)
 
 android: DISTFILES += \
     android/AndroidManifest.xml \
diff --git a/ncmppGui/src/unlocker.cpp b/ncmppGui/src/unlocker.cpp
index d6efa7b..f85caf4 100644
--- a/ncmppGui/src/unlocker.cpp
+++ b/ncmppGui/src/unlocker.cpp
@@ -1,8 +1,11 @@
 #include "unlocker.h"
 
+#include "unlockrunner.h"
 #include "ncmdump.h"
 
 Unlocker::Unlocker(QObject *parent)
+    : pool(new QThreadPool(this))
+    , unlocked_count(0)
 {
     this->setParent(parent);
 }
@@ -15,13 +18,27 @@ void Unlocker::setUp(QListWidget_withDrop* list_obj_, QString out_dir_)
 
 void Unlocker::run()
 {
-    int count = this->list_obj->getFileCount();
+    count = this->list_obj->getFileCount();
     for (int i = 0; i < count; i++)
     {
-        using std::string;
         QString file = this->list_obj->getNextFile();
-        ncm::ncmDump(file, this->out_dir);
-        emit this->unlocked(i + 1, count);
+        UnlockRunner* runner = new UnlockRunner(file, this->out_dir);
+        connect(runner, SIGNAL(finish()), this, SLOT(runner_finished()));
+        bool ok = false;
+        while (!ok)
+        {
+            ok = pool->tryStart(runner);
+        }
+//        pool->start(runner);
+
+//        ncm::ncmDump(file, this->out_dir);
+//        emit this->unlocked(i + 1, count);
     }
     this->exit();
 }
+
+void Unlocker::runner_finished()
+{
+    unlocked_count++;
+    emit unlocked(unlocked_count, count);
+}
diff --git a/ncmppGui/src/unlocker.h b/ncmppGui/src/unlocker.h
index d4206b0..066cf73 100644
--- a/ncmppGui/src/unlocker.h
+++ b/ncmppGui/src/unlocker.h
@@ -3,21 +3,28 @@
 
 #include "qlistwidget_withdrop.h"
 #include <QObject>
+#include <QThreadPool>
 #include <QThread>
 
 class Unlocker : public QThread
 {
     Q_OBJECT
 public:
-    explicit Unlocker(QObject *parent = nullptr);
+    explicit Unlocker(QObject* parent = nullptr);
     void setUp(QListWidget_withDrop* list_obj_, QString out_dir_);
 
 protected:
     void run() override;
 
+private slots:
+    void runner_finished();
+
 private:
     QListWidget_withDrop* list_obj;
+    QThreadPool* pool;
     QString out_dir;
+    int unlocked_count;
+    int count = 0;
 
 signals:
     void unlocked(int count, int total);
diff --git a/ncmppGui/src/unlockrunner.cpp b/ncmppGui/src/unlockrunner.cpp
new file mode 100644
index 0000000..7805a8c
--- /dev/null
+++ b/ncmppGui/src/unlockrunner.cpp
@@ -0,0 +1,18 @@
+#include "unlockrunner.h"
+
+#include "ncmdump.h"
+
+UnlockRunner::UnlockRunner(QString path_, QString out_)
+    : QObject{}
+    , QRunnable{}
+    , path(path_)
+    , out(out_)
+{
+    setAutoDelete(true);
+}
+
+void UnlockRunner::run()
+{
+    ncm::ncmDump(path, out);
+    emit finish();
+}
diff --git a/ncmppGui/src/unlockrunner.h b/ncmppGui/src/unlockrunner.h
new file mode 100644
index 0000000..7d55941
--- /dev/null
+++ b/ncmppGui/src/unlockrunner.h
@@ -0,0 +1,23 @@
+#ifndef UNLOCKRUNNER_H
+#define UNLOCKRUNNER_H
+
+#include <QObject>
+#include <QRunnable>
+
+class UnlockRunner : public QObject, public QRunnable
+{
+    Q_OBJECT
+public:
+    explicit UnlockRunner(QString path_, QString out_);
+
+    void run() override;
+
+private:
+    QString path;
+    QString out;
+
+signals:
+    void finish();
+};
+
+#endif // UNLOCKRUNNER_H