diff --git a/plugins/mobilehotspot/blacklistpage.cpp b/plugins/mobilehotspot/blacklistpage.cpp
index 1b82d8bd..d923749c 100644
--- a/plugins/mobilehotspot/blacklistpage.cpp
+++ b/plugins/mobilehotspot/blacklistpage.cpp
@@ -34,12 +34,12 @@ BlacklistPage::BlacklistPage(QWidget *parent) : QWidget(parent)
     Vlayout->setContentsMargins(CONTENTS_MARGINS);
     Vlayout->setSpacing(0);
 
-    QFrame *blacklistFrame = new QFrame(this);
-    blacklistFrame->setMinimumSize(FRAME_MIN_SIZE);
-    blacklistFrame->setMaximumSize(FRAME_MAX_SIZE);
-    blacklistFrame->setFrameShape(QFrame::Box);
+    m_blacklistFrame = new QFrame(this);
+    m_blacklistFrame->setMinimumSize(FRAME_MIN_SIZE);
+    m_blacklistFrame->setMaximumSize(FRAME_MAX_SIZE);
+    m_blacklistFrame->setFrameShape(QFrame::Box);
 
-    m_blacklistLayout = new QVBoxLayout(blacklistFrame);
+    m_blacklistLayout = new QVBoxLayout(m_blacklistFrame);
     m_blacklistLayout->setContentsMargins(0, 0, 0, 0);
     m_blacklistLayout->setSpacing(0);
 
@@ -48,7 +48,7 @@ BlacklistPage::BlacklistPage(QWidget *parent) : QWidget(parent)
 
     Vlayout->addWidget(m_titleLabel);
     Vlayout->addSpacing(8);
-    Vlayout->addWidget(blacklistFrame);
+    Vlayout->addWidget(m_blacklistFrame);
 }
 
 QFrame* BlacklistPage::myLine()
@@ -87,7 +87,7 @@ void BlacklistPage::getBlacklistDevice(QMap<QString, QString> &blacklistMap)
     for (int index = 0; index < macList.count() && macList.at(index) != nullptr; index ++) {
         QString macTemp = macList.at(index);
         macTemp = macTemp.trimmed();
-        if (!blacklistMap.contains(macTemp)) {
+        if (!blacklistMap.contains(macTemp) && hostNameList.at(index) != nullptr) {
             blacklistMap[macTemp] = hostNameList.at(index);
         }
     }
@@ -166,7 +166,7 @@ void BlacklistPage::resetLayoutHight()
             height += w->height();
         }
     }
-    this->setFixedHeight(height + m_titleLabel->height() + 8);
+    m_blacklistFrame->setFixedHeight(height);
 
     if (m_blacklistMap.isEmpty()) {
         this->hide();
diff --git a/plugins/mobilehotspot/blacklistpage.h b/plugins/mobilehotspot/blacklistpage.h
index a1e3f01d..8a511c1d 100644
--- a/plugins/mobilehotspot/blacklistpage.h
+++ b/plugins/mobilehotspot/blacklistpage.h
@@ -49,15 +49,8 @@ public:
     }
 
 private:
-
     QFrame* myLine();
 
-    TitleLabel *m_titleLabel = nullptr;
-    QVBoxLayout *m_blacklistLayout = nullptr;
-    QMap<QString, QString> m_blacklistMap;
-
-    QDBusInterface  *m_settingPathInterface = nullptr;
-
     void getBlacklistDevice(QMap<QString, QString> &blacklistMap);
     bool removeStaFromBlacklist(QString staMac, QString staName);
     void initBlacklistDev();
@@ -65,6 +58,14 @@ private:
     void clearBlacklistLayout();
     void resetLayoutHight();
 
+private:
+    QFrame *m_blacklistFrame = nullptr;
+    TitleLabel *m_titleLabel = nullptr;
+    QVBoxLayout *m_blacklistLayout = nullptr;
+    QMap<QString, QString> m_blacklistMap;
+
+    QDBusInterface  *m_settingPathInterface = nullptr;
+
 private slots:
     void onsetStaIntoBlacklist(QString staMac, QString staName);
     void onRemoveFromBlacklistBtnClicked(QString staMac, QString staName);
diff --git a/plugins/mobilehotspot/connectdevpage.cpp b/plugins/mobilehotspot/connectdevpage.cpp
index f8862e01..473a4c69 100644
--- a/plugins/mobilehotspot/connectdevpage.cpp
+++ b/plugins/mobilehotspot/connectdevpage.cpp
@@ -35,12 +35,12 @@ ConnectdevPage::ConnectdevPage(QWidget *parent) :
     Vlayout->setContentsMargins(CONTENTS_MARGINS);
     Vlayout->setSpacing(0);
 
-    QFrame *staistFrame = new QFrame(this);
-    staistFrame->setMinimumSize(FRAME_MIN_SIZE);
-    staistFrame->setMaximumSize(FRAME_MAX_SIZE);
-    staistFrame->setFrameShape(QFrame::Box);
+    m_staistFrame = new QFrame(this);
+    m_staistFrame->setMinimumSize(FRAME_MIN_SIZE);
+    m_staistFrame->setMaximumSize(FRAME_MAX_SIZE);
+    m_staistFrame->setFrameShape(QFrame::Box);
 
-    m_staListLayout = new QVBoxLayout(staistFrame);
+    m_staListLayout = new QVBoxLayout(m_staistFrame);
     m_staListLayout->setContentsMargins(0, 0, 0, 0);
     m_staListLayout->setSpacing(0);
 
@@ -49,7 +49,7 @@ ConnectdevPage::ConnectdevPage(QWidget *parent) :
 
     Vlayout->addWidget(m_titleLabel);
     Vlayout->addSpacing(8);
-    Vlayout->addWidget(staistFrame);
+    Vlayout->addWidget(m_staistFrame);
 }
 
 QFrame* ConnectdevPage::myLine()
@@ -90,7 +90,7 @@ void ConnectdevPage::getConnectStaDevice(QMap<QString, QString> &staMap)
     QStringList macList = reply.arguments().at(0).toString().split(";");
     QStringList hostNameList = reply.arguments().at(1).toString().split(";");
     for (int index = 0; index < macList.count() && macList.at(index) != nullptr; index ++) {
-        if (!staMap.contains(macList.at(index))) {
+        if (!staMap.contains(macList.at(index)) && hostNameList.at(index) != nullptr) {
             staMap[macList.at(index)] = hostNameList.at(index);
         }
     }
@@ -158,7 +158,7 @@ void ConnectdevPage::resetLayoutHight()
             height += w->height();
         }
     }
-    this->setFixedHeight(height + m_titleLabel->height() + 8);
+    m_staistFrame->setFixedHeight(height);
 
     if (m_staMap.isEmpty()) {
         this->hide();
diff --git a/plugins/mobilehotspot/connectdevpage.h b/plugins/mobilehotspot/connectdevpage.h
index 944fc995..ce9abb09 100644
--- a/plugins/mobilehotspot/connectdevpage.h
+++ b/plugins/mobilehotspot/connectdevpage.h
@@ -50,12 +50,6 @@ public:
 private:
     QFrame* myLine();
 
-    TitleLabel *m_titleLabel = nullptr;
-    QVBoxLayout *m_staListLayout = nullptr;
-    QMap<QString, QString> m_staMap;
-
-    QDBusInterface  *m_activePathInterface = nullptr;
-
     void getConnectStaDevice(QMap<QString, QString> &blacklistMap);
     bool removeStaFromBlacklist(QString staMac);
     void initStaDev();
@@ -67,6 +61,15 @@ private:
     void onStaDevChanged(bool istrue, QString staMac, QString staName);
     void resetLayoutHight();
 
+private:
+    QFrame *m_staistFrame = nullptr;
+
+    TitleLabel *m_titleLabel = nullptr;
+    QVBoxLayout *m_staListLayout = nullptr;
+    QMap<QString, QString> m_staMap;
+
+    QDBusInterface  *m_activePathInterface = nullptr;
+
 signals:
     void setStaIntoBlacklist(QString staMac, QString staName);