diff --git a/module/group/lang/resource.php b/module/group/lang/resource.php
index 2b5b18fc3a..9f8c74a989 100644
--- a/module/group/lang/resource.php
+++ b/module/group/lang/resource.php
@@ -266,6 +266,7 @@ $lang->resource->project->testtask       = 'testtask';
 $lang->resource->project->bug            = 'bug';
 $lang->resource->project->burn           = 'burn';
 $lang->resource->project->computeBurn    = 'computeBurn';
+$lang->resource->project->fixFirst       = 'fixFirst';
 $lang->resource->project->burnData       = 'burnData';
 $lang->resource->project->team           = 'team';
 $lang->resource->project->doc            = 'doc';
@@ -302,17 +303,18 @@ $lang->project->methodOrder[95]  = 'testtask';
 $lang->project->methodOrder[100] = 'bug';
 $lang->project->methodOrder[105] = 'burn';
 $lang->project->methodOrder[110] = 'computeBurn';
-$lang->project->methodOrder[115] = 'burnData';
-$lang->project->methodOrder[120] = 'team';
-$lang->project->methodOrder[125] = 'doc';
-$lang->project->methodOrder[130] = 'dynamic';
-$lang->project->methodOrder[135] = 'manageProducts';
-$lang->project->methodOrder[140] = 'manageMembers';
-$lang->project->methodOrder[145] = 'unlinkMember';
-$lang->project->methodOrder[150] = 'linkStory';
-$lang->project->methodOrder[155] = 'unlinkStory';
-$lang->project->methodOrder[160] = 'batchUnlinkStory';
-$lang->project->methodOrder[165] = 'updateOrder';
+$lang->project->methodOrder[115] = 'fixFirst';
+$lang->project->methodOrder[120] = 'burnData';
+$lang->project->methodOrder[125] = 'team';
+$lang->project->methodOrder[130] = 'doc';
+$lang->project->methodOrder[135] = 'dynamic';
+$lang->project->methodOrder[140] = 'manageProducts';
+$lang->project->methodOrder[145] = 'manageMembers';
+$lang->project->methodOrder[150] = 'unlinkMember';
+$lang->project->methodOrder[155] = 'linkStory';
+$lang->project->methodOrder[160] = 'unlinkStory';
+$lang->project->methodOrder[165] = 'batchUnlinkStory';
+$lang->project->methodOrder[170] = 'updateOrder';
 
 /* Task. */
 $lang->resource->task = new stdclass();
@@ -1073,3 +1075,5 @@ $lang->changelog['7.2'][] = 'custom-flow';
 $lang->changelog['7.2'][] = 'group-manageView';
 $lang->changelog['7.2'][] = 'product-updateOrder';
 $lang->changelog['7.2'][] = 'project-updateOrder';
+
+$lang->changelog['7.3'][] = 'project-fixFirst';
diff --git a/module/project/control.php b/module/project/control.php
index 89bd212881..0b07c658a1 100644
--- a/module/project/control.php
+++ b/module/project/control.php
@@ -795,6 +795,25 @@ class project extends control
         $this->display();
     }
 
+    /**
+     * Fix burn for first date.
+     * 
+     * @param  int    $projectID 
+     * @access public
+     * @return void
+     */
+    public function fixFirst($projectID)
+    {
+        if($_POST)
+        {
+            $this->project->fixFirst($projectID);
+            die(js::reload('parent.parent'));
+        }
+
+        $this->view->project = $this->project->getById($projectID);
+        $this->display();
+    }
+
     /**
      * Browse team of a project.
      *
diff --git a/module/project/lang/en.php b/module/project/lang/en.php
index 50b5bef781..61f6e05e88 100644
--- a/module/project/lang/en.php
+++ b/module/project/lang/en.php
@@ -115,6 +115,7 @@ $lang->project->burn             = 'Burndown';
 $lang->project->baseline         = 'Base Line';
 $lang->project->computeBurn      = 'Update';
 $lang->project->burnData         = 'Burndown data';
+$lang->project->fixFirst         = 'Fix first data';
 $lang->project->team             = 'Team';
 $lang->project->doc              = 'Doc';
 $lang->project->manageProducts   = 'Link ' . $lang->productCommon;
@@ -230,7 +231,8 @@ $lang->project->charts->burn->graph->rotateNames  = 1;
 $lang->project->charts->burn->graph->showValues   = 0;
 
 $lang->project->placeholder = new stdclass();
-$lang->project->placeholder->code = "{$lang->projectCommon} code";
+$lang->project->placeholder->code      = "{$lang->projectCommon} code";
+$lang->project->placeholder->totalLeft = 'Total left';
 
 $lang->project->selectGroup = new stdclass();
 $lang->project->selectGroup->doing     = '(doing)';
diff --git a/module/project/lang/zh-cn.php b/module/project/lang/zh-cn.php
index 2c2bb08c15..c2bef2028a 100644
--- a/module/project/lang/zh-cn.php
+++ b/module/project/lang/zh-cn.php
@@ -115,6 +115,7 @@ $lang->project->burn             = '燃尽图';
 $lang->project->baseline         = '基准线';
 $lang->project->computeBurn      = '更新';
 $lang->project->burnData         = '燃尽图数据';
+$lang->project->fixFirst         = '修复首天值';
 $lang->project->team             = '团队成员';
 $lang->project->doc              = '文档列表';
 $lang->project->manageProducts   = '关联' . $lang->productCommon;
@@ -230,7 +231,8 @@ $lang->project->charts->burn->graph->rotateNames  = 1;
 $lang->project->charts->burn->graph->showValues   = 0;
 
 $lang->project->placeholder = new stdclass();
-$lang->project->placeholder->code = '团队内部的简称';
+$lang->project->placeholder->code      = '团队内部的简称';
+$lang->project->placeholder->totalLeft = '总剩余工时';
 
 $lang->project->selectGroup = new stdclass();
 $lang->project->selectGroup->doing     = '(进行中)';
diff --git a/module/project/model.php b/module/project/model.php
index 881da5981d..5b5ae37bfd 100644
--- a/module/project/model.php
+++ b/module/project/model.php
@@ -1282,6 +1282,30 @@ class projectModel extends model
         return $burns;
     }
 
+    /**
+     * Fix burn for first day.
+     * 
+     * @param  int    $projectID 
+     * @access public
+     * @return void
+     */
+    public function fixFirst($projectID)
+    {
+        $project = $this->getById($projectID);
+        $burn    = $this->dao->select('*')->from(TABLE_BURN)->where('project')->eq($projectID)
+            ->andWhere('date')->eq($project->begin)
+            ->fetch();
+
+        $data = fixer::input('post')
+            ->add('project', $projectID)
+            ->add('date', $project->begin)
+            ->add('consumed', empty($burn) ? 0 : $burn->consumed)
+            ->get();
+        if(!is_numeric($data->left)) return false;
+
+        $this->dao->replace(TABLE_BURN)->data($data)->exec();
+    }
+
     /**
      * Get data of burn down chart.
      * 
diff --git a/module/project/view/burn.html.php b/module/project/view/burn.html.php
index ab5f06a524..63ca451b84 100644
--- a/module/project/view/burn.html.php
+++ b/module/project/view/burn.html.php
@@ -26,6 +26,7 @@
       <?php
       $weekend = ($type == 'noweekend') ? 'withweekend' : "noweekend";
       echo html::a($this->createLink('project', 'burn', "projectID=$projectID&type=$weekend&interval=$interval"), $lang->project->$weekend, '', "class='btn btn-sm'");
+      common::printLink('project', 'fixFirst', "project=$project->id", $lang->project->fixFirst, '', "class='btn btn-sm iframe' data-width='500'");
       common::printLink('project', 'computeBurn', 'reload=yes', $lang->project->computeBurn, 'hiddenwin', "title='{$lang->project->computeBurn}{$lang->project->burn}' class='btn btn-primary btn-sm' id='computeBurn'");
       echo $lang->project->howToUpdateBurn;
       ?>