diff --git a/feiq.pro b/feiq.pro
index 802c0a8..7a6a407 100644
--- a/feiq.pro
+++ b/feiq.pro
@@ -57,7 +57,8 @@ SOURCES += main.cpp\
     sendtextedit.cpp \
     feiqwin.cpp \
     plugin/unreadchecker.cpp \
-    plugin/iplugin.cpp
+    plugin/iplugin.cpp \
+    plugin/rankuser.cpp
 
 
 HEADERS  += mainwindow.h \
@@ -94,7 +95,8 @@ HEADERS  += mainwindow.h \
     sendtextedit.h \
     plugin/iplugin.h \
     feiqwin.h \
-    plugin/unreadchecker.h
+    plugin/unreadchecker.h \
+    plugin/rankuser.h
 
 FORMS    += mainwindow.ui \
     searchfellowdlg.ui \
diff --git a/feiqlib/uniqueid.cpp b/feiqlib/uniqueid.cpp
index 44d3097..d8fdbac 100644
--- a/feiqlib/uniqueid.cpp
+++ b/feiqlib/uniqueid.cpp
@@ -9,7 +9,7 @@ UniqueId::UniqueId()
 IdType UniqueId::get()
 {
     auto id = ++mId;
-    if (id >= INT_MAX || id < 0)
+    if (id >= ULONG_LONG_MAX)
         mId=1;
 
     return mId;
diff --git a/feiqwin.cpp b/feiqwin.cpp
index e14ecfb..3cab028 100644
--- a/feiqwin.cpp
+++ b/feiqwin.cpp
@@ -46,7 +46,10 @@ void FeiqWin::init(MainWindow *mainWin)
     loadPlugins();
 
     for (auto plugin : mPlugins)
-        plugin->init(this);
+    {
+        plugin->setFeiqWin(this);
+        plugin->init();
+    }
 }
 
 void FeiqWin::unInit()
diff --git a/fellowlistwidget.cpp b/fellowlistwidget.cpp
index 75870d8..ba38a3d 100644
--- a/fellowlistwidget.cpp
+++ b/fellowlistwidget.cpp
@@ -17,8 +17,9 @@ void FellowListWidget::update(const Fellow &fellow)
     auto item = findFirstItem(fellow);
     if (item == nullptr)
     {
-        mWidget->addItem(fellowText(fellow));
-        item = mWidget->item(mWidget->count()-1);
+        int row = requestRow(fellow);
+        mWidget->insertItem(row, fellowText(fellow));
+        item = mWidget->item(row);
     }
     else
     {
@@ -72,12 +73,17 @@ void FellowListWidget::mark(const Fellow &fellow, const QString &info)
     }
 }
 
+void FellowListWidget::setRankPredict(FellowListWidget::RankPredict predict)
+{
+    mRankPredict = predict;
+}
+
 void FellowListWidget::itemChosen(QListWidgetItem *item)
 {
     if (item == nullptr)
         return;
 
-    auto fellow = static_cast<const Fellow*>(item->data(Qt::UserRole).value<void*>());
+    auto fellow = getFellow(item);
     emit select(fellow);
 }
 
@@ -97,10 +103,34 @@ QListWidgetItem *FellowListWidget::findFirstItem(const Fellow &fellow)
     for (int i = 0; i < count; i++)
     {
         auto widget = mWidget->item(i);
-        auto f = static_cast<const Fellow*>(widget->data(Qt::UserRole).value<void*>());
+        auto f = getFellow(widget);
         if (f->getIp() == fellow.getIp())
             return widget;
     }
 
     return nullptr;
 }
+
+int FellowListWidget::requestRow(const Fellow &fellow)
+{
+    auto count = mWidget->count();
+
+    if (!mRankPredict)
+        return count;
+
+    int row = count;
+    for (; row > 0; row--)
+    {
+        auto f = getFellow(mWidget->item(row-1));
+        auto ret = mRankPredict(*f, fellow);
+        if (ret >= 0)
+            break;
+    }
+
+    return row;
+}
+
+const Fellow *FellowListWidget::getFellow(const QListWidgetItem *item)
+{
+    return static_cast<const Fellow*>(item->data(Qt::UserRole).value<void*>());
+}
diff --git a/fellowlistwidget.h b/fellowlistwidget.h
index f53fd1d..971fae7 100644
--- a/fellowlistwidget.h
+++ b/fellowlistwidget.h
@@ -11,6 +11,8 @@ class FellowListWidget : public QObject
     Q_OBJECT
 
 public:
+    typedef std::function<int (const Fellow&, const Fellow&)> RankPredict;
+
     FellowListWidget();
     void bindTo(QListWidget* widget);
 
@@ -19,6 +21,7 @@ public:
     void top(const Fellow& fellow);
     void topSecond(const Fellow& fellow);
     void mark(const Fellow& fellow, const QString &info);
+    void setRankPredict(RankPredict predict);
 
 signals:
     void select(const Fellow* fellow);
@@ -29,8 +32,11 @@ private slots:
 private:
     QString fellowText(const Fellow& fellow);
     QListWidgetItem* findFirstItem(const Fellow& fellow);
+    int requestRow(const Fellow& fellow);
+    const Fellow* getFellow(const QListWidgetItem* item);
 
 private:
+    RankPredict mRankPredict;
     QListWidget* mWidget;
 };
 
diff --git a/mainwindow.cpp b/mainwindow.cpp
index 7e50a90..6bed4f4 100644
--- a/mainwindow.cpp
+++ b/mainwindow.cpp
@@ -170,7 +170,7 @@ void MainWindow::handleFeiqViewEvent(shared_ptr<ViewEvent> event)
     }
     else if (event->what == ViewEventType::SEND_TIMEO || event->what == ViewEventType::MESSAGE)
     {
-        //地球人都知道这个分支中的ViewEvent集成自FellowViewEvent
+        //地球人都知道这个分支中的ViewEvent继承自FellowViewEvent
         auto e = static_cast<FellowViewEvent*>(event.get());
         auto fellow = e->fellow.get();
 
diff --git a/plugin/iplugin.cpp b/plugin/iplugin.cpp
index c5c9e49..df0fe03 100644
--- a/plugin/iplugin.cpp
+++ b/plugin/iplugin.cpp
@@ -5,11 +5,20 @@ IPlugin::~IPlugin()
 
 }
 
-void IPlugin::init(FeiqWin *feiqWin)
+void IPlugin::setFeiqWin(FeiqWin *feiqWin)
 {
     mFeiq = feiqWin;
 }
 
+void IPlugin::init()
+{
+}
+
+void IPlugin::unInit()
+{
+
+}
+
 PluginManager::PluginManager()
 {
 
diff --git a/plugin/iplugin.h b/plugin/iplugin.h
index ce06a71..f177b3d 100644
--- a/plugin/iplugin.h
+++ b/plugin/iplugin.h
@@ -9,9 +9,9 @@ class IPlugin
 {
 public:
     virtual ~IPlugin();
-    virtual void init(FeiqWin* feiqWin);
-
-    virtual void unInit() = 0;
+    void setFeiqWin(FeiqWin* feiqWin);
+    virtual void init();
+    virtual void unInit();
 
 protected:
     FeiqWin* mFeiq;
diff --git a/plugin/rankuser.cpp b/plugin/rankuser.cpp
new file mode 100644
index 0000000..e0715c7
--- /dev/null
+++ b/plugin/rankuser.cpp
@@ -0,0 +1,47 @@
+#include "rankuser.h"
+
+#define PLUGIN_NAME "rank_user"
+REGISTER_PLUGIN(PLUGIN_NAME, RankUser)
+
+RankUser::RankUser()
+{
+}
+
+void RankUser::init()
+{
+    IPlugin::init();
+    connect(mFeiq->fellowListWidget(), SIGNAL(select(const Fellow*)),  this, SLOT(onTalkTo(const Fellow*)));
+    mFeiq->fellowListWidget()->setRankPredict(std::bind(&RankUser::compare, this, placeholders::_1, placeholders::_2));
+}
+
+void RankUser::unInit()
+{
+    IPlugin::unInit();
+    mFeiq->settings()->sync();
+}
+
+void RankUser::onTalkTo(const Fellow *fellow)
+{
+    mFeiq->settings()->setValue(fellowKey(*fellow), weightOfFellow(*fellow)+1);
+}
+
+int RankUser::compare(const Fellow &f1, const Fellow &f2)
+{
+    return weightOfFellow(f1)-weightOfFellow(f2);
+}
+
+QString RankUser::fellowId(const Fellow &f)
+{
+    QString ip(f.getIp().c_str());
+    return ip;
+}
+
+QString RankUser::fellowKey(const Fellow &f)
+{
+    return QString(PLUGIN_NAME)+"/"+fellowId(f);
+}
+
+int RankUser::weightOfFellow(const Fellow &f)
+{
+    return mFeiq->settings()->value(fellowKey(f), "0").toInt();
+}
diff --git a/plugin/rankuser.h b/plugin/rankuser.h
new file mode 100644
index 0000000..d9d05c6
--- /dev/null
+++ b/plugin/rankuser.h
@@ -0,0 +1,28 @@
+#ifndef RANKUSER_H
+#define RANKUSER_H
+
+#include "iplugin.h"
+#include <QObject>
+#include "feiqlib/fellow.h"
+
+class RankUser : public QObject, public IPlugin
+{
+    Q_OBJECT
+
+public:
+    RankUser();
+
+    void init() override;
+    void unInit() override;
+
+private slots:
+    void onTalkTo(const Fellow* fellow);
+
+private:
+    int compare(const Fellow& f1, const Fellow& f2);
+    QString fellowId(const Fellow& f);
+    QString fellowKey(const Fellow& f);
+    int weightOfFellow(const Fellow& f);
+};
+
+#endif // RANKUSER_H
diff --git a/plugin/unreadchecker.cpp b/plugin/unreadchecker.cpp
index be16e5d..f64aa96 100644
--- a/plugin/unreadchecker.cpp
+++ b/plugin/unreadchecker.cpp
@@ -19,9 +19,9 @@ void UnreadChecker::timerEvent(QTimerEvent *event)
     }
 }
 
-void UnreadChecker::init(FeiqWin *feiqWin)
+void UnreadChecker::init()
 {
-    IPlugin::init(feiqWin);
+    IPlugin::init();
 
     auto settings = mFeiq->settings();
     mUnreadTimerInterval = settings->value(PLUGIN_NAME"/timer", "0").toInt();
diff --git a/plugin/unreadchecker.h b/plugin/unreadchecker.h
index 31c868e..5820ed2 100644
--- a/plugin/unreadchecker.h
+++ b/plugin/unreadchecker.h
@@ -10,7 +10,7 @@ class UnreadChecker : public QObject, public IPlugin
 
 public:
     UnreadChecker();
-    void init(FeiqWin* feiqWin) override;
+    void init() override;
     void unInit() override;
 
 protected: