diff --git a/module/program/control.php b/module/program/control.php
index f54144784f..b6593cbd5a 100644
--- a/module/program/control.php
+++ b/module/program/control.php
@@ -704,23 +704,6 @@ class program extends control
         echo $html;
     }
 
-    /**
-     * Ajax: Get childish information.
-     *
-     * @param  int    $programID
-     * @access public
-     * @return void
-     */
-    public function ajaxGetChildInfo($programID)
-    {
-        $data = array();
-        $minChildBegin = $this->dao->select('begin as minBegin')->from(TABLE_PROGRAM)->where('id')->ne($programID)->andWhere('deleted')->eq(0)->andWhere('path')->like("%,{$programID},%")->orderBy('begin_asc')->fetch('minBegin');
-        $maxChildEnd   = $this->dao->select('end as maxEnd')->from(TABLE_PROGRAM)->where('id')->ne($programID)->andWhere('deleted')->eq(0)->andWhere('path')->like("%,{$programID},%")->andWhere('end')->ne('0000-00-00')->orderBy('end_desc')->fetch('maxEnd');
-
-        $data = array('minChildBegin' => $minChildBegin, 'maxChildEnd' => $maxChildEnd);
-        echo json_encode($data);
-    }
-
     /**
      * Update program order.
      *
diff --git a/module/program/js/common.js b/module/program/js/common.js
index 06dcdf816e..a64e3c2cc6 100644
--- a/module/program/js/common.js
+++ b/module/program/js/common.js
@@ -330,7 +330,8 @@ function setBudgetTipsAndAclList(parentID)
  */
 function compareChildDate()
 {
-    if(getMethodName == 'create') return;
+    if(page == 'create') return;
+
     var end   = $('#end').val();
     var begin = $('#begin').val();
     if(end.length > 0 && begin.length > 0)
@@ -338,22 +339,34 @@ function compareChildDate()
         var programEnd   = new Date(end);
         var programBegin = new Date(begin);
         
-        $.get(createLink('program', 'ajaxGetChildInfo', 'programID=' + programID), function(data)
+        $.get(createLink('project', 'ajaxGetObjectInfo', 'objectType=program&objectID=' + programID + '&selectedProgramID=' + selectedProgramID), function(data)
         {
             var dateTip    = '';
             var childInfo  = JSON.parse(data);
             var childBegin = new Date(childInfo.minChildBegin);
             var childEnd   = new Date(childInfo.maxChildEnd);
 
-            if(programBegin > childBegin) dateTip = "<span id='dateTip' class='text-remind'>" + beginGreateChild + childInfo.minChildBegin + "</span>";
-            if(programEnd < childEnd) dateTip = "<span id='dateTip' class='text-remind'>" + endLetterChild + childInfo.maxChildEnd + "</span>";
-            if((programEnd < childBegin && programEnd < childEnd) || (programBegin > childBegin && programBegin > childEnd) || (programBegin > childBegin && programEnd < childEnd)) dateTip = "<span id='dateTip' class='text-remind'>" + dateExceedChild + childInfo.minChildBegin + "~" + childInfo.maxChildEnd + "</span>";
-
             if($('#dateTip').length > 0) $('#dateTip').remove();
+            if(programBegin <= childBegin && programEnd >= childEnd) return;
+
+            if(programBegin > childBegin && programEnd >= childEnd)
+            {
+                dateTip = "<span id='dateTip' class='text-remind'>" + beginGreateChild + childInfo.minChildBegin + "</span>";
+            }
+            else if(programEnd < childEnd && programBegin <= childBegin)
+            {
+                dateTip = "<span id='dateTip' class='text-remind'>" + endLetterChild + childInfo.maxChildEnd + "</span>";
+            }
+            else
+            {
+                dateTip = "<span id='dateTip' class='text-remind'>" + dateExceedChild + childInfo.minChildBegin + "~" + childInfo.maxChildEnd + "</span>";
+            }
+
             $('#dateBox').after(dateTip);
         });
     }
 }
+
 /**
  * The date is out of the range of the parent project set, and a prompt is given.
  *
@@ -367,13 +380,11 @@ function outOfDateTip()
     if(end.length > 0 && begin.length > 0)
     {
         var selectedProgramID = $('#parent').val();
-        var budget            = $('#budget').val();
         var programEnd        = new Date(end);
         var programBegin      = new Date(begin);
 
         if(selectedProgramID == 0)
         {
-            if($('#dateTip').length > 0) $('#dateTip').remove();
             compareChildDate();
             return false;
         }
@@ -381,20 +392,32 @@ function outOfDateTip()
         if(typeof(programID) == 'undefined') programID = 0;
         $.get(createLink('project', 'ajaxGetParentInfo', 'objectType=program&objectID=' + programID + "&selectedProgramID=" + selectedProgramID), function(data)
         {
+            var dateTip     = '';
             var data        = JSON.parse(data);
             var parentEnd   = new Date(data.selectedProgramEnd);
             var parentBegin = new Date(data.selectedProgramBegin);
 
-            var dateTip = "";
-            if(programBegin < parentBegin && programEnd <= parentEnd) dateTip = "<span id='dateTip' class='text-remind'>" + beginLetterParent + data.selectedProgramBegin + "</span>";
-            if(programBegin >= parentBegin && programEnd > parentEnd) dateTip = "<span id='dateTip' class='text-remind'>" + endGreaterParent + data.selectedProgramEnd + "</span>";
-            if((programBegin < parentBegin && programEnd > parentEnd) || (programEnd <= parentBegin && programBegin <= parentBegin) || (programBegin >= parentEnd && programEnd >= parentEnd)) dateTip = "<span id='dateTip' class='text-remind'>" + dateExceedParent + data.selectedProgramBegin + "~" + data.selectedProgramEnd + "</span>";
+            if(programBegin >= parentBegin && programEnd <= parentEnd)
+            {
+                compareChildDate();
+                return;
+            }
+
+            if(programBegin < parentBegin && programEnd <= parentEnd)
+            {
+                dateTip = "<span id='dateTip' class='text-remind'>" + beginLetterParent + data.selectedProgramBegin + "</span>";
+            }
+            else if(programBegin >= parentBegin && programEnd > parentEnd)
+            {
+                dateTip = "<span id='dateTip' class='text-remind'>" + endGreaterParent + data.selectedProgramEnd + "</span>";
+            }
+            else
+            {
+                dateTip = "<span id='dateTip' class='text-remind'>" + dateExceedParent + data.selectedProgramBegin + "~" + data.selectedProgramEnd + "</span>";
+            }
 
             if($('#dateTip').length > 0) $('#dateTip').remove();
             $('#dateBox').after(dateTip);
-            if(dateTip.length != 0) return;
-
-            compareChildDate();
         });
     }
 }
diff --git a/module/program/view/create.html.php b/module/program/view/create.html.php
index 6a4d37de75..20b891c4ba 100644
--- a/module/program/view/create.html.php
+++ b/module/program/view/create.html.php
@@ -45,7 +45,7 @@
 <?php js::set('beginLetterParent', $lang->program->beginLetterParent);?>
 <?php js::set('endGreaterParent', $lang->program->endGreaterParent);?>
 <?php js::set('dateExceedParent', $lang->program->dateExceedParent);?>
-<?php js::set('getMethodName', $this->app->getMethodName());?>
+<?php js::set('page', $this->app->getMethodName());?>
 <?php $aclList = $parentProgram ? $lang->program->subAclList : $lang->program->aclList;?>
 <?php $requiredFields = $config->program->create->requiredFields;?>
 <div id='mainContent' class='main-content'>
diff --git a/module/program/view/edit.html.php b/module/program/view/edit.html.php
index 670cfa39fc..87b92ff8b7 100644
--- a/module/program/view/edit.html.php
+++ b/module/program/view/edit.html.php
@@ -12,7 +12,7 @@
 ?>
 <?php include '../../common/view/header.html.php';?>
 <?php include '../../common/view/kindeditor.html.php';?>
-<?php js::set('getMethodName', $this->app->getMethodName());?>
+<?php js::set('page', $this->app->getMethodName());?>
 <?php js::set('weekend', $config->execution->weekend);?>
 <?php js::set('longTime', $lang->program->longTime);?>
 <?php js::set('currencySymbol', $lang->project->currencySymbol);?>
diff --git a/module/project/control.php b/module/project/control.php
index d9d1764d58..26ccf82c01 100644
--- a/module/project/control.php
+++ b/module/project/control.php
@@ -230,12 +230,20 @@ class project extends control
      */
     public function ajaxGetParentInfo($objectType, $objectID, $selectedProgramID)
     {
+        $data = array();
+        $minChildBegin = '';
+        $maxChildEnd   = '';
         if(!empty($objectID))
         {
             $object          = $objectType == 'project' ? $this->project->getByID($objectID) : $this->loadModel('program')->getByID($objectID);
             $selectedProgram = $this->loadModel('program')->getByID($selectedProgramID);
             $budgetLeft      = $this->program->getBudgetLeft($selectedProgram);
             $availableBudget = $object->parent == $selectedProgramID ? $budgetLeft + $object->budget : $budgetLeft;
+            if($objectType == 'program')
+            {
+                $minChildBegin = $this->dao->select('begin as minBegin')->from(TABLE_PROGRAM)->where('id')->ne($objectID)->andWhere('deleted')->eq(0)->andWhere('path')->like("%,{$objectID},%")->orderBy('begin_asc')->fetch('minBegin');
+                $maxChildEnd   = $this->dao->select('end as maxEnd')->from(TABLE_PROGRAM)->where('id')->ne($objectID)->andWhere('deleted')->eq(0)->andWhere('path')->like("%,{$objectID},%")->andWhere('end')->ne('0000-00-00')->orderBy('end_desc')->fetch('maxEnd');
+            }
         }
         else
         {
@@ -244,6 +252,11 @@ class project extends control
         }
 
         $data = array('selectedProgramBegin' => $selectedProgram->begin, 'selectedProgramEnd' => $selectedProgram->end, 'availableBudget' => $availableBudget, 'budgetUnit' => $selectedProgram->budgetUnit);
+        if($objectType == 'program')
+        {
+            $data['minChildBegin'] = $minChildBegin;
+            $data['maxChildEnd']   = $maxChildEnd;
+        }
         echo json_encode($data);
     }
 
diff --git a/module/project/js/common.js b/module/project/js/common.js
index 541cde6578..607a1840b7 100644
--- a/module/project/js/common.js
+++ b/module/project/js/common.js
@@ -360,34 +360,45 @@ function budgetOverrunTips()
  */
 function outOfDateTip()
 {
-        var end   = $('#end').val();
-        var begin = $('#begin').val();
-        if(end.length > 0 && begin.length > 0)
-        {
-            var selectedProgramID = $('#parent').val();
-            var budget            = $('#budget').val();
+    var end   = $('#end').val();
+    var begin = $('#begin').val();
+    if(end.length > 0 && begin.length > 0)
+    {
+        var selectedProgramID = $('#parent').val();
 
-            if(selectedProgramID == 0)
+        if(selectedProgramID == 0)
+        {
+            if($('#dateTip').length > 0) $('#dateTip').remove();
+            return;
+        }
+
+        if(typeof(projectID) == 'undefined') projectID = 0;
+        $.get(createLink('project', 'ajaxGetParentInfo', 'objectType=project&objectID=' + projectID + '&selectedProgramID=' + selectedProgramID), function(data)
+        {
+            var data         = JSON.parse(data);
+            var parentEnd    = new Date(data.selectedProgramEnd);
+            var parentBegin  = new Date(data.selectedProgramBegin);
+            var projectEnd   = new Date(end);
+            var projectBegin = new Date(begin);
+
+            if(projectBegin >= parentBegin && projectEnd <= parentEnd) return;
+
+            var dateTip = "";
+            if(projectBegin < parentBegin && projectEnd <= parentEnd)
             {
-                if($('#dateTip').length > 0) $('#dateTip').remove();
-                return false;
+                dateTip = "<span id='dateTip' class='text-remind'>" + beginLetterParent + data.selectedProgramBegin + "</span>";
+            }
+            else if(projectBegin >= parentBegin && projectEnd > parentEnd)
+            {
+                dateTip = "<span id='dateTip' class='text-remind'>" + endGreaterParent + data.selectedProgramEnd + "</span>";
+            }
+            else
+            {
+                dateTip = "<span id='dateTip' class='text-remind'>" + dateExceedParent + data.selectedProgramBegin + "~" + data.selectedProgramEnd + "</span>";
             }
 
-            if(typeof(projectID) == 'undefined') projectID = 0;
-            $.get(createLink('project', 'ajaxGetParentInfo', 'objectType=project&objectID=' + projectID + "&selectedProgramID=" + selectedProgramID), function(data)
-            {
-                var data         = JSON.parse(data);
-                var parentEnd    = new Date(data.selectedProgramEnd);
-                var parentBegin  = new Date(data.selectedProgramBegin);
-                var projectEnd   = new Date(end);
-                var projectBegin = new Date(begin);
-
-                var dateTip = "";
-                if(projectBegin < parentBegin && projectEnd <= parentEnd) dateTip = "<span id='dateTip' class='text-remind'>" + beginLetterParent + data.selectedProgramBegin + "</span>";
-                if(projectBegin >= parentBegin && projectEnd > parentEnd) dateTip = "<span id='dateTip' class='text-remind'>" + endGreaterParent + data.selectedProgramEnd + "</span>";
-                if((projectBegin < parentBegin && projectEnd > parentEnd) || (projectEnd <= parentBegin && projectBegin <= parentBegin) || (projectBegin >= parentEnd && projectEnd >= parentEnd)) dateTip = "<span id='dateTip' class='text-remind'>" + dateExceedParent + data.selectedProgramBegin + "~" + data.selectedProgramEnd + "</span>";
-                if($('#dateTip').length > 0) $('#dateTip').remove();
-                $('#dateBox').after(dateTip);
-            });
-        }
+            if($('#dateTip').length > 0) $('#dateTip').remove();
+            $('#dateBox').after(dateTip);
+        });
+    }
 }