diff --git a/DSView/pv/config/appconfig.cpp b/DSView/pv/config/appconfig.cpp
index a637095f..3944c946 100644
--- a/DSView/pv/config/appconfig.cpp
+++ b/DSView/pv/config/appconfig.cpp
@@ -98,6 +98,7 @@ void _loadApp(AppOptions &o, QSettings &st){
     getFiled("appendLogMode", st, o.appendLogMode, false);
     getFiled("logLevel", st, o.logLevel, 3);
     getFiled("transDecoderDlg", st, o.transDecoderDlg, true);
+    getFiled("trigPosDisplayInMid", st, o.trigPosDisplayInMid, true);
 
     QString fmt;
     getFiled("protocalFormats", st, fmt, "");
@@ -117,6 +118,7 @@ void _saveApp(AppOptions &o, QSettings &st){
     setFiled("appendLogMode", st, o.appendLogMode);
     setFiled("logLevel", st, o.logLevel);
     setFiled("transDecoderDlg", st, o.transDecoderDlg);
+    setFiled("trigPosDisplayInMid", st, o.trigPosDisplayInMid);
 
     QString fmt =  FormatArrayToString(o.m_protocolFormats);
     setFiled("protocalFormats", st, fmt);
diff --git a/DSView/pv/config/appconfig.h b/DSView/pv/config/appconfig.h
index 13be468b..47ac6ba9 100644
--- a/DSView/pv/config/appconfig.h
+++ b/DSView/pv/config/appconfig.h
@@ -61,6 +61,7 @@ struct AppOptions
     bool  appendLogMode;
     int   logLevel;
     bool  transDecoderDlg;
+    bool  trigPosDisplayInMid;
 
     std::vector<StringPair> m_protocolFormats;
 };
diff --git a/DSView/pv/dialogs/applicationpardlg.cpp b/DSView/pv/dialogs/applicationpardlg.cpp
index 9ef1fc1a..d60c9a2f 100644
--- a/DSView/pv/dialogs/applicationpardlg.cpp
+++ b/DSView/pv/dialogs/applicationpardlg.cpp
@@ -27,6 +27,8 @@
 #include "../config/appconfig.h"
 
 #include "../ui/langresource.h"
+#include "../appcontrol.h"
+#include "../sigsession.h"
 
 namespace pv
 {
@@ -53,9 +55,21 @@ bool ApplicationParamDlg::ShowDlg(QWidget *parent)
     //show config
     AppConfig &app = AppConfig::Instance();
 
+    int mode = AppControl::Instance()->GetSession()->get_device()->get_work_mode();
+
     QCheckBox *ck_quickScroll = new QCheckBox();
     ck_quickScroll->setChecked(app._appOptions.quickScroll);
-    lay.addRow(L_S(STR_PAGE_DLG, S_ID(IDS_DLG_QUICK_SCROLL), "Quick scroll"), ck_quickScroll);
+
+    QCheckBox *ck_trigInMid = new QCheckBox();
+    ck_trigInMid->setChecked(app._appOptions.trigPosDisplayInMid);
+
+    if (mode == LOGIC){
+        lay.addRow(L_S(STR_PAGE_DLG, S_ID(IDS_DLG_QUICK_SCROLL), "Quick scroll"), ck_quickScroll);
+    }
+    else if (mode == DSO){
+        lay.addRow(L_S(STR_PAGE_DLG, S_ID(IDS_DLG_TRIG_DISPLAY_MIDDLE), "Tig pos in middle"), ck_trigInMid);
+    }
+
     dlg.layout()->addLayout(&lay);  
      
     dlg.exec();
@@ -65,6 +79,8 @@ bool ApplicationParamDlg::ShowDlg(QWidget *parent)
     //save config
     if (ret){
         app._appOptions.quickScroll = ck_quickScroll->isChecked();
+        app._appOptions.trigPosDisplayInMid = ck_trigInMid->isChecked();
+
         app.SaveApp();
     }
    
diff --git a/DSView/pv/toolbars/trigbar.cpp b/DSView/pv/toolbars/trigbar.cpp
index 52bbc587..762043fc 100644
--- a/DSView/pv/toolbars/trigbar.cpp
+++ b/DSView/pv/toolbars/trigbar.cpp
@@ -120,7 +120,7 @@ TrigBar::TrigBar(SigSession *session, QWidget *parent) :
     connect(_action_lissajous, SIGNAL(triggered()), this, SLOT(on_actionLissajous_triggered()));
     connect(_dark_style, SIGNAL(triggered()), this, SLOT(on_actionDark_triggered()));
     connect(_light_style, SIGNAL(triggered()), this, SLOT(on_actionLight_triggered()));
-    connect(_action_dispalyOptions, SIGNAL(triggered()), this, SLOT(on_application_param()));
+    connect(_action_dispalyOptions, SIGNAL(triggered()), this, SLOT(on_display_setting()));
 }
 
 //语言变化
@@ -262,7 +262,7 @@ void TrigBar::reload()
         _search_action->setVisible(false);
         _function_action->setVisible(true);
         _action_lissajous->setVisible(true);
-        _action_dispalyOptions->setVisible(false);
+        _action_dispalyOptions->setVisible(true);
     }
 
     DockOptions *opt = getDockOptions();
@@ -314,7 +314,7 @@ void TrigBar::on_actionLissajous_triggered()
     lissajous_dlg.exec();
 }
 
- void TrigBar::on_application_param()
+ void TrigBar::on_display_setting()
  {    
     pv::dialogs::ApplicationParamDlg dlg;
     dlg.ShowDlg(this);
diff --git a/DSView/pv/toolbars/trigbar.h b/DSView/pv/toolbars/trigbar.h
index 4395fcbd..eb9baff3 100644
--- a/DSView/pv/toolbars/trigbar.h
+++ b/DSView/pv/toolbars/trigbar.h
@@ -69,7 +69,7 @@ private slots:
     void on_actionLissajous_triggered();
     void on_actionFft_triggered();
     void on_actionMath_triggered();
-    void on_application_param();
+    void on_display_setting();
 
 public slots:
     void protocol_clicked();
diff --git a/DSView/pv/view/ruler.cpp b/DSView/pv/view/ruler.cpp
index f995c886..0b6ee502 100644
--- a/DSView/pv/view/ruler.cpp
+++ b/DSView/pv/view/ruler.cpp
@@ -522,7 +522,6 @@ void Ruler::draw_osc_tick_mark(QPainter &p)
     double typical_width;
     double tick_period = 0;
     double scale = _view.scale();
-    //int64_t offset = _view.offset();
     int64_t offset = 0;
 
     // Find tick spacing, and number formatting that does not cause
@@ -588,8 +587,7 @@ void Ruler::draw_osc_tick_mark(QPainter &p)
             p.drawText(x, 2 * ValueMargin, 0, text_height,
                 AlignCenter | AlignTop | TextDontClip,
                 format_time(t, prefix));
-            p.drawLine(QPoint(x, major_tick_y1),
-                QPoint(x, tick_y2));
+            p.drawLine(QPoint(x, major_tick_y1), QPoint(x, tick_y2));
         }
         else
         {
@@ -604,8 +602,7 @@ void Ruler::draw_osc_tick_mark(QPainter &p)
                 p.drawText(x, 2 * ValueMargin, 0, minor_tick_y1 + ValueMargin,
                     AlignCenter | AlignTop | TextDontClip,
                     format_time(t - major_t, minor_prefix));
-            p.drawLine(QPoint(x, minor_tick_y1),
-                QPoint(x, tick_y2));
+            p.drawLine(QPoint(x, minor_tick_y1), QPoint(x, tick_y2));
         }
 
         division++;
@@ -625,6 +622,7 @@ void Ruler::draw_osc_tick_mark(QPainter &p)
             i++;
         }
     }
+    
     if (_view.trig_cursor_shown()) {
         _view.get_trig_cursor()->paint_fix_label(p, rect(), prefix, 'T', _view.get_trig_cursor()->colour(), false);
     }
diff --git a/DSView/pv/view/view.cpp b/DSView/pv/view/view.cpp
index 781f734f..2ff2bec2 100644
--- a/DSView/pv/view/view.cpp
+++ b/DSView/pv/view/view.cpp
@@ -48,6 +48,7 @@
 #include "../dialogs/lissajousoptions.h"
 #include "../dsvdef.h"
 #include "../log.h"
+#include "../config/appconfig.h"
 
 
 using namespace std;
@@ -488,11 +489,16 @@ void View::receive_trigger(quint64 trig_pos)
 {
     const double time = trig_pos * 1.0 / _session->cur_snap_samplerate();
     _trig_cursor->set_index(trig_pos);
+
     if (ds_trigger_get_en() ||
         _device_agent->is_virtual() ||
         _device_agent->get_work_mode() == DSO) {
         _show_trig_cursor = true;
-        set_scale_offset(_scale,  (time / _scale) - (get_view_width() / 2));
+
+        AppConfig &app = AppConfig::Instance();
+        if (app._appOptions.trigPosDisplayInMid){
+            set_scale_offset(_scale,  (time / _scale) - (get_view_width() / 2));
+        }
     }
 
     _ruler->update();
@@ -598,8 +604,6 @@ void View::update_scale_offset()
     _preScale = _scale;
     _preOffset = _offset;
 
-    //_trig_cursor->set_index(_session->get_trigger_pos());
-
     _ruler->update();
     viewport_update();
 }
diff --git a/lang/cn/dlg.json b/lang/cn/dlg.json
index 13ffe0e3..3504586f 100644
--- a/lang/cn/dlg.json
+++ b/lang/cn/dlg.json
@@ -682,5 +682,9 @@
     {
         "id": "IDS_DLG_APPEND_MODE",
         "text": "追加模式"
+    },
+    {
+        "id": "IDS_DLG_TRIG_DISPLAY_MIDDLE",
+        "text": "触发位置自动居中显示"
     }
 ]
\ No newline at end of file
diff --git a/lang/en/dlg.json b/lang/en/dlg.json
index ae086159..52ec0a41 100644
--- a/lang/en/dlg.json
+++ b/lang/en/dlg.json
@@ -682,5 +682,9 @@
     {
         "id": "IDS_DLG_APPEND_MODE",
         "text": "Append mode"
+    },
+    {
+        "id": "IDS_DLG_TRIG_DISPLAY_MIDDLE",
+        "text": "Trig pos display at the middle"
     }
 ]
\ No newline at end of file