diff --git a/lib/dao/dm.class.php b/lib/dao/dm.class.php
index 290a15f676..80904a01ae 100644
--- a/lib/dao/dm.class.php
+++ b/lib/dao/dm.class.php
@@ -19,6 +19,19 @@
  */
 class dm extends dao
 {
+    /**
+     * 设置$table属性。
+     * Set the $table property.
+     *
+     * @param  string $table
+     * @access public
+     * @return void
+     */
+    public function setTable($table)
+    {
+        $this->table = trim($table, '`');
+    }
+
     /**
      * 类MySQL的DESC语法。
      * Desc table, show fields.
@@ -36,7 +49,7 @@ class dm extends dao
         foreach($rawFields as $rawField)
         {
             $field = new stdClass();
-            $field->Field = $rawField->field;
+            $field->Field = $rawField->COLUMN_NAME;
             $fields[] = $field;
         }
         return $fields;
@@ -255,8 +268,7 @@ class dm extends dao
 
     public function getPKColumns()
     {
-        $table = trim($this->table, '`');
-        $sql   = "SELECT A.OWNER, A.TABLE_NAME, WM_CONCAT(B.COLUMN_NAME) PK_COLUMNS FROM ALL_CONSTRAINTS A, ALL_CONS_COLUMNS B where A.CONSTRAINT_type = 'P' AND A.OWNER = '{$this->config->db->name}' AND A.TABLE_NAME = '{$table}' AND B.OWNER = A.OWNER AND A.TABLE_NAME = B.TABLE_NAME GROUP BY A.OWNER, A.TABLE_NAME;";
+        $sql   = "SELECT A.OWNER, A.TABLE_NAME, WM_CONCAT(B.COLUMN_NAME) PK_COLUMNS FROM ALL_CONSTRAINTS A, ALL_CONS_COLUMNS B where A.CONSTRAINT_type = 'P' AND A.OWNER = '{$this->config->db->name}' AND A.TABLE_NAME = '{$this->table}' AND B.OWNER = A.OWNER AND A.TABLE_NAME = B.TABLE_NAME GROUP BY A.OWNER, A.TABLE_NAME;";
 
         $content = $this->dbh->query($sql)->fetch();
         return empty($content) ? false : $content->PK_COLUMNS;
@@ -285,7 +297,7 @@ class dm extends dao
 
         if($this->method == 'replace' && !empty($this->sqlobj->data))
         {
-            $insertSql = "INSERT INTO {$this->table} ";
+            $insertSql = "INSERT INTO \"{$this->table}\" ";
             $fields = '(';
             $values = 'VALUES(';
             foreach($this->sqlobj->data as $field => $value)
@@ -310,10 +322,10 @@ class dm extends dao
                 {
                     if(isset($this->sqlobj->data->{$pk})) $conditions[] = " \"{$pk}\" = '{$this->sqlobj->data->{$pk}}'";
                 }
-                $updateSql .= ' WHERE ' . implode(' AND ', $conditions);
+                if(!empty($conditions)) $updateSql .= ' WHERE ' . implode(' AND ', $conditions);
             }
 
-            $deleteSql = "DELETE FROM {$this->table} WHERE ";
+            $deleteSql = "DELETE FROM \"{$this->table}\" WHERE ";
             $ingore    = array();
             $ingore['`zt_config`'] = array('value');
             foreach($this->sqlobj->data as $field => $value)
@@ -418,7 +430,7 @@ EOT;
         foreach($rawFields as $rawField)
         {
             $firstPOS = strpos($rawField->data_type, '(');
-            $type     = substr($rawField->data_type, 0, $firstPOS > 0 ? $firstPOS : strlen($rawField->type));
+            $type     = substr($rawField->data_type, 0, $firstPOS > 0 ? $firstPOS : strlen($rawField->data_type));
             $type     = str_replace(array('big', 'small', 'medium', 'tiny', 'var'), '', $type);
             $field    = array();
 
@@ -449,7 +461,7 @@ EOT;
             {
                 $field['rule'] = 'skip';
             }
-            $fields[$rawField->field] = $field;
+            $fields[$rawField->column_name] = $field;
         }
         return $fields;
     }
diff --git a/module/program/control.php b/module/program/control.php
index 602770d402..302a431421 100644
--- a/module/program/control.php
+++ b/module/program/control.php
@@ -291,7 +291,7 @@ class program extends control
             $hasUnfinished = $this->program->hasUnfinished($program);
             if($hasUnfinished) return print(js::error($this->lang->program->closeErrorMessage));
 
-            $changes = $this->project->close($programID);
+            $changes = $this->project->close($programID, 'program');
             if(dao::isError()) return print(js::error(dao::getError()));
 
             if($this->post->comment != '' or !empty($changes))
@@ -362,7 +362,7 @@ class program extends control
 
         if(!empty($_POST))
         {
-            $changes = $this->project->activate($programID);
+            $changes = $this->project->activate($programID, 'program');
             if(dao::isError()) return print(js::error(dao::getError()));
 
             if($this->post->comment != '' or !empty($changes))
@@ -400,7 +400,7 @@ class program extends control
 
         if(!empty($_POST))
         {
-            $changes = $this->project->suspend($programID);
+            $changes = $this->project->suspend($programID, 'program');
             if(dao::isError()) return print(js::error(dao::getError()));
 
             if($this->post->comment != '' or !empty($changes))
diff --git a/module/program/model.php b/module/program/model.php
index 4684a61e0d..6410e39ec8 100644
--- a/module/program/model.php
+++ b/module/program/model.php
@@ -1131,7 +1131,7 @@ class programModel extends model
      */
     public function hasUnfinished($program)
     {
-        $unfinished = $this->dao->select("count(IF(id != {$program->id}, true, null)) as count")->from(TABLE_PROJECT)
+        $unfinished = $this->dao->select("count(IF(id != {$program->id}, 1, null)) as count")->from(TABLE_PROJECT)
             ->where('type')->in('program, project')
             ->andWhere('path')->like($program->path . '%')
             ->andWhere('status')->ne('closed')
diff --git a/module/project/model.php b/module/project/model.php
index 3ca191bb05..565734be8d 100644
--- a/module/project/model.php
+++ b/module/project/model.php
@@ -192,7 +192,7 @@ class projectModel extends model
 
         if(!$project) return false;
 
-        if($project->end == '0000-00-00') $project->end = '';
+        if(helper::isZeroDate($project->end)) $project->end = '';
         $project = $this->loadModel('file')->replaceImgURL($project, 'desc');
         return $project;
     }
@@ -1875,15 +1875,16 @@ class projectModel extends model
      * Suspend project.
      *
      * @param  int    $projectID
+     * @param  string $type
      * @access public
      * @return void
      */
-    public function suspend($projectID)
+    public function suspend($projectID, $type = 'project')
     {
         $editorIdList = $this->config->project->editor->suspend['id'];
         if($this->app->rawModule == 'program') $editorIdList = $this->config->program->editor->suspend['id'];
 
-        $oldProject = $this->getById($projectID);
+        $oldProject = $this->getById($projectID, $type);
         $project    = fixer::input('post')
             ->add('id', $projectID)
             ->setDefault('status', 'suspended')
@@ -1911,12 +1912,13 @@ class projectModel extends model
      * Activate project.
      *
      * @param  int    $projectID
+     * @param  string $type
      * @access public
      * @return void
      */
-    public function activate($projectID)
+    public function activate($projectID, $type = 'project')
     {
-        $oldProject = $this->getById($projectID);
+        $oldProject = $this->getById($projectID, $type);
         $now        = helper::now();
 
         $editorIdList = $this->config->project->editor->activate['id'];
@@ -1928,7 +1930,7 @@ class projectModel extends model
             ->setDefault('status', 'doing')
             ->setDefault('lastEditedBy', $this->app->user->account)
             ->setDefault('lastEditedDate', $now)
-            ->setIF($oldProject->realBegan == '0000-00-00', 'realBegan', helper::today())
+            ->setIF(!helper::isZeroDate($oldProject->realBegan), 'realBegan', helper::today())
             ->stripTags($editorIdList, $this->config->allowedTags)
             ->remove('comment,readjustTime,readjustTask')
             ->get();
@@ -1999,12 +2001,13 @@ class projectModel extends model
      * Close project.
      *
      * @param  int    $projectID
+     * @param  string $type
      * @access public
      * @return array
      */
-    public function close($projectID)
+    public function close($projectID, $type = 'project')
     {
-        $oldProject = $this->getById($projectID);
+        $oldProject = $this->getById($projectID, $type);
         $now        = helper::now();
 
         $editorIdList = $this->config->project->editor->close['id'];