diff --git a/Qss.cpp b/Qss.cpp
index 360bf08..69366b4 100644
--- a/Qss.cpp
+++ b/Qss.cpp
@@ -1946,6 +1946,7 @@ void QssMaskWidget::paintEvent(QPaintEvent *event)
 }
 
 QSSASyncProcess::QSSASyncProcess(QWidget *parent)
+    :mFirst(true)
 {
     this->mParent = parent;
 }
@@ -1959,9 +1960,11 @@ QSSASyncProcess::~QSSASyncProcess()
 int QSSASyncProcess::Start(void *p)
 {
     this->moveToThread(&mThread);
-    connect(this, SIGNAL(StartRun(void *)), this, SLOT(Run(void *)));
-    connect(&mThread, &QThread::finished, this, &QObject::deleteLater);
-
+    if(mFirst){
+        connect(this, SIGNAL(StartRun(void *)), this, SLOT(Run(void *)));
+        connect(&mThread, &QThread::finished, this, &QObject::deleteLater);
+        mFirst = false;
+    }
     mThread.start();
 #ifdef QT_NO_EMIT
     StartRun(p);
diff --git a/Qss.h b/Qss.h
index a09cf00..4ce0e42 100644
--- a/Qss.h
+++ b/Qss.h
@@ -426,6 +426,7 @@ public slots:
 protected:
     QWidget *mParent;
     QThread mThread;
+    bool    mFirst;
 };
 
 #define tipBox(text)   	QssMessageBox::tips(text)