diff --git a/module/block/control.php b/module/block/control.php
index 88798f641c..16cd14f38d 100644
--- a/module/block/control.php
+++ b/module/block/control.php
@@ -1114,7 +1114,13 @@ class block extends control
      */
     public function printCmmiGanttBlock()
     {
-        $this->view->program = $this->loadModel('project')->getByID($this->session->program);
+        $products  = $this->loadModel('product')->getPairs();
+        $productID = isset($this->session->product) ? 0 : $this->session->product;
+        if($productID && !array_key_exists($productID, $products)) $productID = 0;
+
+        $this->view->plans     = $this->loadModel('programplan')->getDataForGantt($this->session->program, $productID);
+        $this->view->products  = $products;
+        $this->view->productID = $productID;
     }
 
     /**
@@ -1192,7 +1198,7 @@ class block extends control
         $start = $begin;
         $longProgram = helper::diffDate($today, $begin) / 7 > 10;
         while($start < $end)
-        {   
+        {
             $charts['labels'][] = $longProgram ? $this->lang->milestone->chart->time . $i . $this->lang->milestone->chart->month : $this->lang->milestone->chart->time . $i . $this->lang->milestone->chart->week;
             $stageEnd           = $longProgram ? date('Y-m-t', strtotime($start)) : $this->weekly->getThisSunday($start);
             $charts['PV']      .= $this->milestone->getPV($projectIdList, $begin, $stageEnd) . ',';
diff --git a/module/block/view/cmmiganttblock.html.php b/module/block/view/cmmiganttblock.html.php
index e69de29bb2..246b32c478 100644
--- a/module/block/view/cmmiganttblock.html.php
+++ b/module/block/view/cmmiganttblock.html.php
@@ -0,0 +1,167 @@
+<div class="panel-body">
+  <div id='cmmiGantt'>
+    <?php echo html::select('cmmiGanttProductID', $products, $productID, "class='form-control chosen'"); ?>
+    <div class='gantt clearfix'>
+      <div class='gantt-plans pull-left'></div>
+      <div class='gantt-container scrollbar-hover'>
+        <div class='gantt-canvas'></div>
+      </div>
+    </div>
+  </div>
+  <style>
+  .block-cmmigantt > .panel-body {overflow: visible!important;}
+  #cmmiGantt {position: relative;}
+  #cmmiGanttProductID_chosen {position: absolute; top: -39px; left: 120px; width: 150px!important;}
+  [lang="zh-cn"] #cmmiGanttProductID_chosen {left: 85px}
+  .gantt-plans {padding: 20px 0 12px}
+  .gantt-plan {margin-top: 10px; line-height: 20px;}
+  .gantt-container {position: absolute; left: 100px; top: 0; right: 0; bottom: -10px; overflow-x: auto; padding-top: 20px;}
+  .gantt-canvas {border: 1px solid #dddee4; border-style: solid dotted; position: relative}
+  .gantt-row {height: 50px; position: relative; z-index: 1}
+  .gantt-row:hover {background-color: rgba(0,0,0,.05);}
+  .gantt-bar {height: 15px; background: #dddee4; position: absolute; left: 0; top: 10px}
+  .gantt-bar-progress {height: 15px; margin-bottom: 5px}
+  .gantt-task-info {white-space: nowrap; width: 100%; overflow: visible;}
+  .gantt-col {position: absolute; z-index: 0; top: 0; border-right: 1px dotted #dddee4;}
+  .gantt-col-time {position: absolute; top: -18px; left: 0}
+  </style>
+  <script>
+  function initCmmiGanttBlock()
+  {
+      var ganttData = <?php echo $plans; ?>;
+      if(!ganttData.data) ganttData = {data: []};
+
+      var plans = [];
+      var tasks = [];
+      var plansMap = {};
+      var startDatetime = Number.MAX_SAFE_INTEGER;
+      var endDatetime = 0;
+      var minTimeGap = Number.MAX_SAFE_INTEGER;
+      var $gantt = $('#cmmiGantt');
+      var ONE_DAY = 24 * 3600 * 1000;
+      var TIME_GAP_STEP = 7;
+      var MIN_COL_WIDTH = 60;
+
+      $.each(ganttData.data, function(index, item)
+      {
+          plansMap[item.id] = item;
+          if(item.type === 'plan' && item.parent === '0')
+          {
+              item.startDatetime = createDatetime(item.start_date);
+              item.endDatetime = createDatetime(item.deadline);
+              startDatetime = Math.min(startDatetime, item.startDatetime);
+              endDatetime = Math.max(endDatetime, item.endDatetime);
+              minTimeGap = Math.min(minTimeGap, endDatetime - startDatetime);
+              item.tasks = [];
+              item.completeTasks = [];
+              item.progress = 0;
+              plans.push(item);
+          }
+          else if(item.type === 'task')
+          {
+              item.progress = Number.parseInt(item.taskProgress.replace('%', ''), 10);
+              tasks.push(item);
+          }
+      });
+
+      $.each(tasks, function(index, task)
+      {
+          var plan = plansMap[task.parent];
+          while(plan.parent !== '0') plan = plansMap[plan.parent];
+          plan.progress += task.progress;
+          if(task.progress === 100) plan.completeTasks.push(task);
+          plan.tasks.push(task);
+      });
+
+      var $plans = $gantt.find('.gantt-plans');
+      var $ganttContainer = $gantt.find('.gantt-container');
+      var $ganttCanvas = $gantt.find('.gantt-canvas');
+      var themeColor = $.getThemeColor('primary');
+      var days = Math.ceil((endDatetime - startDatetime) / ONE_DAY);
+      var canvasHeight = plans.length * 50 + 10;
+      minTimeGap = Math.max(1, Math.ceil(minTimeGap / ONE_DAY));
+
+      // Update gantt plans and bars
+      $.each(plans, function(index, plan)
+      {
+          plan.progress = plan.progress / plan.tasks.length;
+          var $plan = $('<div class="gantt-plan"></div>');
+          $plan.append('<div class="strong">' + plan.text + '</div>');
+          $plan.append('<div class="text-muted small"><?php echo $lang->programplan->planPercent?> ' + plan.percent + '%</div>');
+          $plans.append($plan);
+
+          var $bar = $('<div class="gantt-bar"></div>');
+          $('<div class="gantt-bar-progress bg-primary"></div>').css(
+          {
+              width: plan.progress + '%',
+              background: themeColor,
+          }).appendTo($bar);
+          $bar.append('<div class="gantt-task-info text-muted small"><?php echo $lang->programplan->task;?> ' + plan.completeTasks.length + '/' + plan.tasks.length + '</div>').attr('title', $.zui.formatDate(plan.startDatetime, 'yyyy-MM-dd') + '~' + $.zui.formatDate(plan.endDatetime, 'yyyy-MM-dd'));
+          var $row = $('<div class="gantt-row" data-id="' + plan.id + '"></div>').append($bar);
+          $ganttCanvas.append($row);
+      });
+
+      // Layout gantt container
+      $ganttContainer.css('left', $plans.width() + 15);
+      $ganttCanvas.css('height', canvasHeight);
+
+      var $cmmiGanttProductID = $('#cmmiGanttProductID');
+      if(!$cmmiGanttProductID.data('chosen')) $cmmiGanttProductID.chosen();
+      $cmmiGanttProductID.on('change', function()
+      {
+          $.get(createLink('product', 'ajaxSetState', 'productID=' + $cmmiGanttProductID.val()), function()
+          {
+              refreshBlock($cmmiGanttProductID.closest('.panel'));
+          });
+      });
+
+      layoutGantt();
+      $(window).on('resize', layoutGantt);
+      setTimeout(layoutGantt, 100);
+
+      function layoutGantt()
+      {
+          var minWidth = $ganttContainer.width();
+          var timeGap = minTimeGap < TIME_GAP_STEP ? minTimeGap : Math.floor(minTimeGap / TIME_GAP_STEP) * TIME_GAP_STEP;
+          var colsCount = Math.ceil(days / timeGap);
+          var canvasWidth = Math.max(minWidth, colsCount * MIN_COL_WIDTH);
+          var colWidth = Math.floor(canvasWidth / colsCount);
+          var pxPerMs = colWidth / (timeGap * ONE_DAY);
+          $ganttCanvas.css('width', canvasWidth).find('.gantt-col').remove();
+          for (var i = 0; i < colsCount; ++i)
+          {
+              var $col = $('<div class="gantt-col"></div>');
+              $col.css(
+              {
+                  left: i * colWidth,
+                  width: colWidth,
+                  height: canvasHeight
+              });
+              var colTime = startDatetime + i * timeGap * ONE_DAY;
+              $col.append('<div class="gantt-col-time text-muted small">' + $.zui.formatDate(colTime, 'MM/dd') + '</div>');
+              $ganttCanvas.append($col);
+          }
+
+          $.each(plans, function(index, plan)
+          {
+              var $planRow = $gantt.find('.gantt-row[data-id="' + plan.id + '"]');
+              $planRow.find('.gantt-bar').css(
+              {
+                  left: Math.floor((plan.startDatetime - startDatetime) * pxPerMs),
+                  width: Math.floor((plan.endDatetime - plan.startDatetime) * pxPerMs)
+              });
+          });
+      }
+
+      function createDatetime(dateStr)
+      {
+          dateStr = dateStr.split('-');
+          var year = Number.parseInt(dateStr[0].length > 3 ? dateStr[0] : dateStr[2], 10);
+          var month = Number.parseInt(dateStr[1], 10);
+          var day = Number.parseInt(dateStr[2].length > 3 ? dateStr[0] : dateStr[2], 10);
+          return new Date(year, month - 1, day).getTime();
+      }
+  }
+  initCmmiGanttBlock();
+  </script>
+</div>
diff --git a/module/product/control.php b/module/product/control.php
index 87cd3d9be2..5a1f5d200d 100644
--- a/module/product/control.php
+++ b/module/product/control.php
@@ -622,9 +622,9 @@ class product extends control
 
     /**
      * Ajax set unfoldID.
-     * 
-     * @param  int    $productID 
-     * @param  string $action 
+     *
+     * @param  int    $productID
+     * @param  string $action
      * @access public
      * @return void
      */
@@ -834,4 +834,17 @@ class product extends control
 
         $this->display();
     }
+
+    /**
+     * Set product id to session in ajax
+     *
+     * @param  int    $productID
+     * @access public
+     * @return void
+     */
+    public function ajaxSetState($productID)
+    {
+        $this->session->set('product', (int)$productID);
+        $this->send(array('result' => 'success', 'productID' => $this->session->product));
+    }
 }
diff --git a/module/programplan/lang/zh-cn.php b/module/programplan/lang/zh-cn.php
index 05cdc6527b..8bb0677439 100644
--- a/module/programplan/lang/zh-cn.php
+++ b/module/programplan/lang/zh-cn.php
@@ -14,9 +14,11 @@ $lang->programplan->emptyParent       = '无';
 $lang->programplan->name              = '名称';
 $lang->programplan->percent           = '计划工作量';
 $lang->programplan->percentAB         = '计划工作量';
+$lang->programplan->planPercent       = '工作量';
 $lang->programplan->attribute         = '阶段';
 $lang->programplan->milestone         = '里程碑';
 $lang->programplan->taskProgress      = '任务进度';
+$lang->programplan->task              = '任务';
 $lang->programplan->begin             = '计划开始';
 $lang->programplan->end               = '计划完成';
 $lang->programplan->realStarted       = '实际开始';
diff --git a/module/programplan/model.php b/module/programplan/model.php
index c9a2ed9f6b..4eb96fe7b4 100644
--- a/module/programplan/model.php
+++ b/module/programplan/model.php
@@ -133,6 +133,7 @@ class programplanModel extends model
 
             $data = new stdclass();
             $data->id           = $plan->id;
+            $data->type         = 'plan';
             $data->text         = empty($plan->milestone) ? $plan->name : $isMilestone . $plan->name;
             $data->percent      = $plan->percent;
             $data->attribute    = zget($this->lang->stage->typeList, $plan->attribute);
@@ -141,7 +142,7 @@ class programplanModel extends model
             $data->deadline     = $end;
             $data->realStarted  = $plan->realStarted == '0000-00-00' ? '' : $plan->realStarted;
             $data->realFinished = $plan->realFinished  == '0000-00-00' ? '' : $plan->realFinished;
-            $data->duration     = helper::diffDate($plan->end, $plan->begin) + 1;; 
+            $data->duration     = helper::diffDate($plan->end, $plan->begin) + 1;;
             $data->parent       = $plan->parent;
             $data->open         = true;
 
@@ -192,6 +193,7 @@ class programplanModel extends model
 
             $data = new stdclass();
             $data->id           = $task->project . '-' . $task->id;
+            $data->type         = 'task';
             $data->text         = $taskSign . $priIcon . $task->name;
             $data->percent      = '';
             $data->attribute    = '';
@@ -287,7 +289,7 @@ class programplanModel extends model
 
         return $plan;
     }
-    
+
     public function getDuration($begin, $end)
     {
         $duration = $this->loadModel('holiday')->getActualWorkingDays($begin, $end);