diff --git a/module/program/js/edit.js b/module/program/js/edit.js
index b17e21695d..e8c849bc61 100644
--- a/module/program/js/edit.js
+++ b/module/program/js/edit.js
@@ -58,6 +58,11 @@ $(function()
     $('#confirm').click(function()
     {
         var exchangeRate = $('#rate').val();
+        if(!exchangeRate)
+        {
+            alert(exRateNotEmpty);
+            return false;
+        }
 
         $('#isChangeUnit').val(true);
         $('#exchangeRate').val(exchangeRate);
diff --git a/module/program/lang/de.php b/module/program/lang/de.php
index 32f06c7e8d..11e468bb54 100644
--- a/module/program/lang/de.php
+++ b/module/program/lang/de.php
@@ -1,20 +1,21 @@
 <?php
 /* Fields. */
-$lang->program->name      = 'Name';
-$lang->program->template  = 'Template';
-$lang->program->category  = 'Type';
-$lang->program->desc      = 'Description';
-$lang->program->copy      = 'Copy Program';
-$lang->program->status    = 'Status';
-$lang->program->PM        = 'Manager';
-$lang->program->budget    = 'Budget';
-$lang->program->progress  = 'Progress';
-$lang->program->children  = 'Child';
-$lang->program->parent    = 'Parent';
-$lang->program->allInput  = 'Input';
-$lang->program->teamCount = 'Team';
-$lang->program->longTime  = 'Long-Term';
-$lang->program->view      = 'Program Detail';
+$lang->program->name         = 'Name';
+$lang->program->template     = 'Template';
+$lang->program->category     = 'Type';
+$lang->program->desc         = 'Description';
+$lang->program->copy         = 'Copy Program';
+$lang->program->status       = 'Status';
+$lang->program->PM           = 'Manager';
+$lang->program->budget       = 'Budget';
+$lang->program->progress     = 'Progress';
+$lang->program->children     = 'Child';
+$lang->program->parent       = 'Parent';
+$lang->program->allInput     = 'Input';
+$lang->program->teamCount    = 'Team';
+$lang->program->longTime     = 'Long-Term';
+$lang->program->view         = 'Program Detail';
+$lang->program->exchangeRate = 'Exchange Rate';
 
 /* Actions. */
 $lang->program->common                  = 'Program';
diff --git a/module/program/lang/en.php b/module/program/lang/en.php
index 5ea0714982..83e13fcb1f 100644
--- a/module/program/lang/en.php
+++ b/module/program/lang/en.php
@@ -1,20 +1,21 @@
 <?php
 /* Fields. */
-$lang->program->name      = 'Name';
-$lang->program->template  = 'Template';
-$lang->program->category  = 'Type';
-$lang->program->desc      = 'Description';
-$lang->program->copy      = 'Copy Program';
-$lang->program->status    = 'Status';
-$lang->program->PM        = 'Manager';
-$lang->program->budget    = 'Budget';
-$lang->program->progress  = 'Progress';
-$lang->program->children  = 'Child';
-$lang->program->parent    = 'Parent';
-$lang->program->allInput  = 'Input';
-$lang->program->teamCount = 'Team';
-$lang->program->longTime  = 'Long-Term';
-$lang->program->view      = 'Program Detail';
+$lang->program->name         = 'Name';
+$lang->program->template     = 'Template';
+$lang->program->category     = 'Type';
+$lang->program->desc         = 'Description';
+$lang->program->copy         = 'Copy Program';
+$lang->program->status       = 'Status';
+$lang->program->PM           = 'Manager';
+$lang->program->budget       = 'Budget';
+$lang->program->progress     = 'Progress';
+$lang->program->children     = 'Child';
+$lang->program->parent       = 'Parent';
+$lang->program->allInput     = 'Input';
+$lang->program->teamCount    = 'Team';
+$lang->program->longTime     = 'Long-Term';
+$lang->program->view         = 'Program Detail';
+$lang->program->exchangeRate = 'Exchange Rate';
 
 /* Actions. */
 $lang->program->common                  = 'Program';
diff --git a/module/program/lang/fr.php b/module/program/lang/fr.php
index 32f06c7e8d..11e468bb54 100644
--- a/module/program/lang/fr.php
+++ b/module/program/lang/fr.php
@@ -1,20 +1,21 @@
 <?php
 /* Fields. */
-$lang->program->name      = 'Name';
-$lang->program->template  = 'Template';
-$lang->program->category  = 'Type';
-$lang->program->desc      = 'Description';
-$lang->program->copy      = 'Copy Program';
-$lang->program->status    = 'Status';
-$lang->program->PM        = 'Manager';
-$lang->program->budget    = 'Budget';
-$lang->program->progress  = 'Progress';
-$lang->program->children  = 'Child';
-$lang->program->parent    = 'Parent';
-$lang->program->allInput  = 'Input';
-$lang->program->teamCount = 'Team';
-$lang->program->longTime  = 'Long-Term';
-$lang->program->view      = 'Program Detail';
+$lang->program->name         = 'Name';
+$lang->program->template     = 'Template';
+$lang->program->category     = 'Type';
+$lang->program->desc         = 'Description';
+$lang->program->copy         = 'Copy Program';
+$lang->program->status       = 'Status';
+$lang->program->PM           = 'Manager';
+$lang->program->budget       = 'Budget';
+$lang->program->progress     = 'Progress';
+$lang->program->children     = 'Child';
+$lang->program->parent       = 'Parent';
+$lang->program->allInput     = 'Input';
+$lang->program->teamCount    = 'Team';
+$lang->program->longTime     = 'Long-Term';
+$lang->program->view         = 'Program Detail';
+$lang->program->exchangeRate = 'Exchange Rate';
 
 /* Actions. */
 $lang->program->common                  = 'Program';
diff --git a/module/program/lang/vi.php b/module/program/lang/vi.php
index 4a938766f4..3cc009c55f 100644
--- a/module/program/lang/vi.php
+++ b/module/program/lang/vi.php
@@ -1,20 +1,21 @@
 <?php
 /* Fields. */
-$lang->program->name      = 'Name';
-$lang->program->template  = 'Template';
-$lang->program->category  = 'Type';
-$lang->program->desc      = 'Description';
-$lang->program->copy      = 'Copy Program';
-$lang->program->status    = 'Status';
-$lang->program->PM        = 'Manager';
-$lang->program->budget    = 'Budget';
-$lang->program->progress  = 'Progress';
-$lang->program->children  = 'Child';
-$lang->program->parent    = 'Parent';
-$lang->program->allInput  = 'Input';
-$lang->program->teamCount = 'Team';
-$lang->program->longTime  = 'Long-Term';
-$lang->program->view      = 'Program Detail';
+$lang->program->name         = 'Name';
+$lang->program->template     = 'Template';
+$lang->program->category     = 'Type';
+$lang->program->desc         = 'Description';
+$lang->program->copy         = 'Copy Program';
+$lang->program->status       = 'Status';
+$lang->program->PM           = 'Manager';
+$lang->program->budget       = 'Budget';
+$lang->program->progress     = 'Progress';
+$lang->program->children     = 'Child';
+$lang->program->parent       = 'Parent';
+$lang->program->allInput     = 'Input';
+$lang->program->teamCount    = 'Team';
+$lang->program->longTime     = 'Long-Term';
+$lang->program->view         = 'Program Detail';
+$lang->program->exchangeRate = 'Exchange Rate';
 
 /* Actions. */
 $lang->program->common                  = 'Program';
diff --git a/module/program/lang/zh-cn.php b/module/program/lang/zh-cn.php
index d191171883..e7f18a5d18 100644
--- a/module/program/lang/zh-cn.php
+++ b/module/program/lang/zh-cn.php
@@ -1,20 +1,21 @@
 <?php
 /* Fields. */
-$lang->program->name      = '项目集名称';
-$lang->program->template  = '项目集模板';
-$lang->program->category  = '项目集类型';
-$lang->program->desc      = '项目集描述';
-$lang->program->copy      = '复制项目集';
-$lang->program->status    = '状态';
-$lang->program->PM        = '负责人';
-$lang->program->budget    = '预算';
-$lang->program->progress  = '项目进度';
-$lang->program->children  = '子项目集';
-$lang->program->parent    = '父项目集';
-$lang->program->allInput  = '项目集总投入';
-$lang->program->teamCount = '总人数';
-$lang->program->longTime  = '长期';
-$lang->program->view      = '项目集详情';
+$lang->program->name         = '项目集名称';
+$lang->program->template     = '项目集模板';
+$lang->program->category     = '项目集类型';
+$lang->program->desc         = '项目集描述';
+$lang->program->copy         = '复制项目集';
+$lang->program->status       = '状态';
+$lang->program->PM           = '负责人';
+$lang->program->budget       = '预算';
+$lang->program->progress     = '项目进度';
+$lang->program->children     = '子项目集';
+$lang->program->parent       = '父项目集';
+$lang->program->allInput     = '项目集总投入';
+$lang->program->teamCount    = '总人数';
+$lang->program->longTime     = '长期';
+$lang->program->view         = '项目集详情';
+$lang->program->exchangeRate = '汇率';
 
 /* Actions. */
 $lang->program->common                  = '项目集';
diff --git a/module/program/view/edit.html.php b/module/program/view/edit.html.php
index 4e0092450b..361eb091ad 100644
--- a/module/program/view/edit.html.php
+++ b/module/program/view/edit.html.php
@@ -20,6 +20,7 @@
 <?php js::set('programList', $programList);?>
 <?php js::set('budgetUnitList', $budgetUnitList);?>
 <?php js::set('oldBudgetUnit', $program->budgetUnit);?>
+<?php js::set('exRateNotEmpty', sprintf($lang->error->notempty, $lang->program->exchangeRate));?>
 <?php $aclList = $program->parent ? $lang->program->subAclList : $lang->program->aclList;?>
 <?php $requiredFields = $config->program->edit->requiredFields;?>
 <div id='mainContent' class='main-content'>
@@ -133,7 +134,7 @@
             </tr>
             <tr>
               <th><?php echo '1' . zget($budgetUnitList, $program->budgetUnit);?></th>
-              <td><div class='input-group'><span class='input-group-addon'><?php echo "=";?></span><?php echo html::input('rate', '', "class='form-control'");?> <span class='input-group-addon' id='currentUnit'></span></div></td>
+              <td><div class='input-group'><span class='input-group-addon'><?php echo "=";?></span><?php echo html::number('rate', '', "class='form-control' required");?> <span class='input-group-addon' id='currentUnit'></span></div></td>
               <td></td>
             </tr>
             <tr>