diff --git a/module/common/lang/de.php b/module/common/lang/de.php
index 08c98ec4fd..1c6a3786c2 100644
--- a/module/common/lang/de.php
+++ b/module/common/lang/de.php
@@ -373,6 +373,7 @@ $lang->error->companyNotFound = "The domain %s cannot be found!";
 $lang->error->length          = array("『%s』Length Error. It should be『%s』", "『%s』length should be <=『%s』and >『%s』.");
 $lang->error->reg             = "『%s』Format Error. It should be『%s』.";
 $lang->error->unique          = "『%s』『%s』existed. Please go to Admin->System->Data->Recycle to restore it, if you are sure it is deleted.";
+$lang->error->repeat          = "『%s』『%s』exists.";
 $lang->error->gt              = "『%s』should be >『%s』.";
 $lang->error->ge              = "『%s』should be >=『%s』.";
 $lang->error->lt              = "『%s』should be <『%s』。";
diff --git a/module/common/lang/en.php b/module/common/lang/en.php
index 66ec104c45..44cd85fe22 100644
--- a/module/common/lang/en.php
+++ b/module/common/lang/en.php
@@ -373,6 +373,7 @@ $lang->error->companyNotFound = "The domain %s cannot be found!";
 $lang->error->length          = array("『%s』length error. It should be『%s』", "『%s』length should be <=『%s』and >『%s』.");
 $lang->error->reg             = "『%s』format error. It should be『%s』.";
 $lang->error->unique          = "『%s』『%s』exists. Go to Admin->System->Data->Recycle Bin to restore it, if you are sure it is deleted.";
+$lang->error->repeat          = "『%s』『%s』exists.";
 $lang->error->gt              = "『%s』should be >『%s』.";
 $lang->error->ge              = "『%s』should be >=『%s』.";
 $lang->error->lt              = "『%s』should be <『%s』。";
diff --git a/module/common/lang/fr.php b/module/common/lang/fr.php
index 7007d61b66..35aef6f5fc 100644
--- a/module/common/lang/fr.php
+++ b/module/common/lang/fr.php
@@ -373,6 +373,7 @@ $lang->error->companyNotFound = "Le domaine %s ne peut être trouvé !";
 $lang->error->length          = array("『 %s 』erreur de longueur. Il devrait être『%s』", "La longueur de 『%s』devrait être <=『%s』et >『%s』.");
 $lang->error->reg             = "『 %s 』erreur de format. Il devrait être『%s』.";
 $lang->error->unique          = "『 %s 』『 %s 』existes. Allez à Admin->System->Data->Recycle Bin pour le restaurer, si vous êtes sûr qu'il est supprimé.";
+$lang->error->repeat          = "『 %s 』『 %s 』existes.";
 $lang->error->gt              = "『 %s 』devrait être > 『 %s 』.";
 $lang->error->ge              = "『 %s 』devrait être >= 『 %s 』.";
 $lang->error->lt              = "『%s』should be <『%s』。";
diff --git a/module/common/lang/zh-cn.php b/module/common/lang/zh-cn.php
index e303e4b881..b56b7e3fea 100644
--- a/module/common/lang/zh-cn.php
+++ b/module/common/lang/zh-cn.php
@@ -373,6 +373,7 @@ $lang->error->companyNotFound = "您访问的域名 %s 没有对应的公司。"
 $lang->error->length          = array("『%s』长度错误，应当为『%s』", "『%s』长度应当不超过『%s』，且大于『%s』。");
 $lang->error->reg             = "『%s』不符合格式，应当为:『%s』。";
 $lang->error->unique          = "『%s』已经有『%s』这条记录了。如果您确定该记录已删除，请到后台-系统-数据-回收站还原。";
+$lang->error->repeat          = "『%s』已经有『%s』这条记录了。";
 $lang->error->gt              = "『%s』应当大于『%s』。";
 $lang->error->ge              = "『%s』应当不小于『%s』。";
 $lang->error->lt              = "『%s』应当小于『%s』。";
diff --git a/module/execution/model.php b/module/execution/model.php
index fba531ff94..a664c17ad8 100644
--- a/module/execution/model.php
+++ b/module/execution/model.php
@@ -391,6 +391,7 @@ class executionModel extends model
             $this->lang->project->code = $this->lang->execution->execCode;
         }
 
+        $this->lang->error->unique = $this->lang->error->repeat;
         $sprintProject = isset($sprint->project) ? $sprint->project : '0';
         $this->dao->insert(TABLE_EXECUTION)->data($sprint)
             ->autoCheck($skipFields = 'begin,end')
@@ -540,6 +541,7 @@ class executionModel extends model
         }
 
         /* Update data. */
+        $this->lang->error->unique = $this->lang->error->repeat;
         $executionProject = isset($execution->project) ? $execution->project : '0';
         $this->dao->update(TABLE_EXECUTION)->data($execution)
             ->autoCheck($skipFields = 'begin,end')
diff --git a/module/group/control.php b/module/group/control.php
index ffb2052000..e3a4ea2e33 100644
--- a/module/group/control.php
+++ b/module/group/control.php
@@ -91,6 +91,7 @@ class group extends control
        if(!empty($_POST))
         {
             $this->group->update($groupID);
+            if(dao::isError()) return print(js::error(dao::getError()));
             if(isonlybody()) return print(js::closeModal('parent.parent', 'this'));
             return print(js::locate($this->createLink('group', 'browse'), 'parent'));
         }
diff --git a/module/group/lang/de.php b/module/group/lang/de.php
index 9deaa69598..4c5500747c 100644
--- a/module/group/lang/de.php
+++ b/module/group/lang/de.php
@@ -46,6 +46,7 @@ $lang->group->group              = 'Group';
 $lang->group->more               = 'More';
 $lang->group->allCheck           = 'All';
 $lang->group->noGroup            = 'No group';
+$lang->group->repeat             = "『%s』『%s』exists.Please adjust it and try again.";
 
 global $config;
 if($config->systemMode == 'new') $lang->group->noneProject = 'No Project';
diff --git a/module/group/lang/en.php b/module/group/lang/en.php
index 86ffacb8fa..70e4659fb5 100644
--- a/module/group/lang/en.php
+++ b/module/group/lang/en.php
@@ -46,6 +46,7 @@ $lang->group->group              = 'Group';
 $lang->group->more               = 'More';
 $lang->group->allCheck           = 'All';
 $lang->group->noGroup            = 'No group';
+$lang->group->repeat             = "『%s』『%s』exists.Please adjust it and try again.";
 
 global $config;
 if($config->systemMode == 'new') $lang->group->noneProject = 'No Project';
diff --git a/module/group/lang/fr.php b/module/group/lang/fr.php
index 4dcbd75943..f4cdf89881 100644
--- a/module/group/lang/fr.php
+++ b/module/group/lang/fr.php
@@ -46,6 +46,7 @@ $lang->group->group              = 'Group';
 $lang->group->more               = 'More';
 $lang->group->allCheck           = 'All';
 $lang->group->noGroup            = 'Aucun groupe';
+$lang->group->repeat             = "『%s』『%s』exists.Please adjust it and try again.";
 
 global $config;
 if($config->systemMode == 'new') $lang->group->noneProject = 'No Project';
diff --git a/module/group/lang/zh-cn.php b/module/group/lang/zh-cn.php
index 7f1da7924f..9559c806b7 100644
--- a/module/group/lang/zh-cn.php
+++ b/module/group/lang/zh-cn.php
@@ -46,6 +46,7 @@ $lang->group->group              = '分组';
 $lang->group->more               = '更多';
 $lang->group->allCheck           = '全部';
 $lang->group->noGroup            = '暂时没有分组。';
+$lang->group->repeat             = "『%s』已经有『%s』这条记录了，请调整后再试。";
 
 global $config;
 if($config->systemMode == 'new') $lang->group->noneProject = '暂时没有项目';
diff --git a/module/group/model.php b/module/group/model.php
index ca6fcd8ae4..b9cfd0ba1c 100644
--- a/module/group/model.php
+++ b/module/group/model.php
@@ -27,7 +27,8 @@ class groupModel extends model
             unset($group->limited);
             $group->role = 'limited';
         }
-        $this->dao->insert(TABLE_GROUP)->data($group)->batchCheck($this->config->group->create->requiredFields, 'notempty')->exec();
+        $this->lang->error->unique = $this->lang->group->repeat;
+        $this->dao->insert(TABLE_GROUP)->data($group)->batchCheck($this->config->group->create->requiredFields, 'notempty')->check('name', 'unique')->exec();
         return $this->dao->lastInsertId();
     }
 
@@ -41,7 +42,8 @@ class groupModel extends model
     public function update($groupID)
     {
         $group = fixer::input('post')->get();
-        return $this->dao->update(TABLE_GROUP)->data($group)->batchCheck($this->config->group->edit->requiredFields, 'notempty')->where('id')->eq($groupID)->exec();
+        $this->lang->error->unique = $this->lang->group->repeat;
+        return $this->dao->update(TABLE_GROUP)->data($group)->batchCheck($this->config->group->edit->requiredFields, 'notempty')->check('name', 'unique', "id != {$groupID}")->where('id')->eq($groupID)->exec();
     }
 
     /**
@@ -54,6 +56,7 @@ class groupModel extends model
     public function copy($groupID)
     {
         $group = fixer::input('post')->remove('options')->get();
+        $this->lang->error->unique = $this->lang->group->repeat;
         $this->dao->insert(TABLE_GROUP)->data($group)->check('name', 'unique')->check('name', 'notempty')->exec();
         if($this->post->options == false) return;
         if(!dao::isError())
@@ -315,9 +318,9 @@ class groupModel extends model
 
     /**
      * Get admins by object id list.
-     * 
-     * @param  int    $idList 
-     * @param  string $field 
+     *
+     * @param  int    $idList
+     * @param  string $field
      * @access public
      * @return void
      */
diff --git a/module/product/model.php b/module/product/model.php
index 43e1d0f115..546770dae9 100644
--- a/module/product/model.php
+++ b/module/product/model.php
@@ -671,6 +671,7 @@ class productModel extends model
             ->remove('uid,newLine,lineName,contactListMenu')
             ->get();
 
+        $this->lang->error->unique = $this->lang->error->repeat;
         $product   = $this->loadModel('file')->processImgURL($product, $this->config->product->editor->create['id'], $this->post->uid);
         $programID = isset($product->program) ? $product->program : 0;
         $this->dao->insert(TABLE_PRODUCT)->data($product)->autoCheck()
@@ -763,6 +764,7 @@ class productModel extends model
             ->remove('uid,changeProjects,contactListMenu')
             ->get();
 
+        $this->lang->error->unique = $this->lang->error->repeat;
         $product   = $this->loadModel('file')->processImgURL($product, $this->config->product->editor->edit['id'], $this->post->uid);
         $programID = isset($product->program) ? $product->program : '';
         $this->dao->update(TABLE_PRODUCT)->data($product)->autoCheck()
diff --git a/module/program/model.php b/module/program/model.php
index 64cce62d4a..84eef5815d 100644
--- a/module/program/model.php
+++ b/module/program/model.php
@@ -753,6 +753,7 @@ class programModel extends model
             if(isset($this->lang->program->$field)) $this->lang->project->$field = $this->lang->program->$field;
         }
 
+        $this->lang->error->unique = $this->lang->error->repeat;
         $program = $this->loadModel('file')->processImgURL($program, $this->config->program->editor->create['id'], $this->post->uid);
         $this->dao->insert(TABLE_PROGRAM)->data($program)
             ->autoCheck()
@@ -860,6 +861,7 @@ class programModel extends model
             if(isset($this->lang->program->$field)) $this->lang->project->$field = $this->lang->program->$field;
         }
 
+        $this->lang->error->unique = $this->lang->error->repeat;
         $this->dao->update(TABLE_PROGRAM)->data($program)
             ->autoCheck($skipFields = 'begin,end')
             ->batchcheck($this->config->program->edit->requiredFields, 'notempty')
diff --git a/module/project/model.php b/module/project/model.php
index 784f29d7eb..fff3a0fe4a 100644
--- a/module/project/model.php
+++ b/module/project/model.php
@@ -1190,6 +1190,7 @@ class projectModel extends model
             if(isset($this->lang->project->$field)) $this->lang->project->$field = $this->lang->project->$field;
         }
 
+        $this->lang->error->unique = $this->lang->error->repeat;
         $project = $this->loadModel('file')->processImgURL($project, $this->config->project->editor->create['id'], $this->post->uid);
         $this->dao->insert(TABLE_PROJECT)->data($project)
             ->autoCheck()
@@ -1436,6 +1437,7 @@ class projectModel extends model
             if(isset($this->lang->project->$field)) $this->lang->project->$field = $this->lang->project->$field;
         }
 
+        $this->lang->error->unique = $this->lang->error->repeat;
         $this->dao->update(TABLE_PROJECT)->data($project)
             ->autoCheck($skipFields = 'begin,end')
             ->batchcheck($requiredFields, 'notempty')
diff --git a/module/user/model.php b/module/user/model.php
index 8afd9f4677..404f016840 100644
--- a/module/user/model.php
+++ b/module/user/model.php
@@ -398,7 +398,7 @@ class userModel extends model
         $users    = fixer::input('post')->get();
         $data     = array();
         $accounts = array();
-        for($i = 1; $i < $this->config->user->batchCreate; $i++)
+        for($i = 1; $i <= $this->config->user->batchCreate; $i++)
         {
             $users->account[$i] = trim($users->account[$i]);
             if($users->account[$i] != '')