diff --git a/module/testtask/control.php b/module/testtask/control.php
index 2116cfaa9c..012ea6d2bd 100644
--- a/module/testtask/control.php
+++ b/module/testtask/control.php
@@ -407,8 +407,12 @@ class testtask extends control
             {
                 $chartFunc   = 'getDataOf' . $chart;
                 $chartData   = $this->testtask->$chartFunc($taskID);
-                $chartOption = $this->testtask->mergeChartOption($chart);
-                if(!empty($chartType)) $chartOption->type = $chartType;
+                $chartOption = $this->lang->testtask->report->options;
+                if(!empty($chartType))
+                {
+                    $chartOption->type           = $chartType;
+                    $chartOption->graph->caption = $this->lang->testtask->report->charts[$chartType];
+                }
 
                 $this->view->charts[$chart] = $chartOption;
                 $this->view->datas[$chart]  = $this->report->computePercent($chartData);
diff --git a/module/testtask/model.php b/module/testtask/model.php
index f5a3708aef..c923b10f2a 100755
--- a/module/testtask/model.php
+++ b/module/testtask/model.php
@@ -634,34 +634,6 @@ class testtaskModel extends model
         return $datas;
     }
 
-    /**
-     * Merge the default chart settings and the settings of current chart.
-     *
-     * @param  string $chartType
-     * @access public
-     * @return object
-     */
-    public function mergeChartOption($chartType)
-    {
-        $chartOption  = isset($this->lang->testtask->report->$chartType) ? $this->lang->testtask->report->$chartType : new stdclass();
-        $commonOption = $this->lang->testtask->report->options;
-
-        if(!isset($chartOption->graph))  $chartOption->graph  = new stdclass();
-        if(!isset($chartOption->type))   $chartOption->type   = $commonOption->type;
-        if(!isset($chartOption->width))  $chartOption->width  = $commonOption->width;
-        if(!isset($chartOption->height)) $chartOption->height = $commonOption->height;
-
-        $chartOption->graph->caption = $this->lang->testtask->report->charts[$chartType];
-
-        /* 合并配置。*/
-        foreach($commonOption->graph as $key => $value)
-        {
-            if(!isset($chartOption->graph->$key)) $chartOption->graph->$key = $value;
-        }
-
-        return $chartOption;
-    }
-
     /**
      * 更新测试单。
      * Update a test task.
diff --git a/module/testtask/test/model/mergechartoption.php b/module/testtask/test/model/mergechartoption.php
deleted file mode 100755
index 9b7ea76cf8..0000000000
--- a/module/testtask/test/model/mergechartoption.php
+++ /dev/null
@@ -1,19 +0,0 @@
-#!/usr/bin/env php
-<?php
-include dirname(__FILE__, 5) . '/test/lib/init.php';
-include dirname(__FILE__, 2) . '/testtask.class.php';
-su('admin');
-
-/**
-
-title=测试 testtaskModel->mergeChartOption();
-cid=1
-pid=1
-
-
-
-*/
-
-$testtask = new testtaskTest();
-
-r($testtask->mergeChartOptionTest()) && p() && e();
\ No newline at end of file