diff --git a/db/update21.7.5.sql b/db/update21.7.5.sql
index c257c3f8c8..eede5ccf81 100644
--- a/db/update21.7.5.sql
+++ b/db/update21.7.5.sql
@@ -26,3 +26,5 @@ REPLACE INTO `zt_lang` (`lang`, `module`, `section`, `key`, `value`, `system`, `
 ('all',	  'weekly', 'categoryList', 'week',     '周报',       '1', 'rnd'),
 ('all',	  'weekly', 'categoryList', 'day',      '日报',       '1', 'rnd'),
 ('all',	  'weekly', 'categoryList', 'milestone','里程碑报告', '1', 'rnd');
+
+ALTER TABLE `zt_doc` CHANGE `lib` `lib` mediumint(8) unsigned NOT NULL DEFAULT '0';
\ No newline at end of file
diff --git a/db/zentao.sql b/db/zentao.sql
index e7876a843f..d4c39801e4 100755
--- a/db/zentao.sql
+++ b/db/zentao.sql
@@ -806,7 +806,7 @@ CREATE TABLE IF NOT EXISTS `zt_doc` (
   `project` mediumint(8) unsigned NOT NULL DEFAULT '0',
   `product` mediumint(8) unsigned NOT NULL DEFAULT '0',
   `execution` mediumint(8) unsigned NOT NULL DEFAULT '0',
-  `lib` varchar(30) NOT NULL DEFAULT '',
+  `lib` mediumint(8) unsigned NOT NULL DEFAULT '0',
   `template` varchar(30) NOT NULL DEFAULT '',
   `templateType` varchar(30) NOT NULL DEFAULT '',
   `templateDesc` text NULL,
diff --git a/module/doc/model.php b/module/doc/model.php
index 40970741fb..27173264de 100644
--- a/module/doc/model.php
+++ b/module/doc/model.php
@@ -999,7 +999,7 @@ class docModel extends model
                 ->leftJoin(TABLE_DOCLIB)->alias('t3')->on("t1.lib=t3.id")
                 ->where('t1.deleted')->eq(0)
                 ->andWhere('t1.templateType')->eq('')
-                ->andWhere('t1.lib')->ne('')
+                ->andWhere('t1.lib')->ne(0)
                 ->andWhere('t1.type')->in($this->config->doc->docTypes)
                 ->andWhere('t1.vision')->eq($this->config->vision)
                 ->andWhere('t2.id')->subIn($docSQL)
@@ -1023,7 +1023,7 @@ class docModel extends model
             $docIdList = $type == 'editedby' ? $this->docTao->getEditedDocIdList() : array();
             $docs = $this->dao->select('t1.*,t2.name as libName,t2.type as objectType')->from(TABLE_DOC)->alias('t1')->leftJoin(TABLE_DOCLIB)->alias('t2')->on("t1.lib=t2.id")
                 ->where('t1.deleted')->eq(0)
-                ->andWhere('t1.lib')->ne('')
+                ->andWhere('t1.lib')->ne(0)
                 ->andWhere('t1.templateType')->eq('')
                 ->andWhere('t1.vision')->eq($this->config->vision)
                 ->andWhere('t1.type')->in($this->config->doc->docTypes)
@@ -2858,7 +2858,7 @@ class docModel extends model
             ->andWhere('t1.action')->eq('edited')
             ->andWhere('t1.actor')->eq($this->app->user->account)
             ->andWhere('t1.vision')->eq($this->config->vision)
-            ->andWhere('t2.lib')->ne('')
+            ->andWhere('t2.lib')->ne(0)
             ->andWhere('t2.deleted')->eq(0)
             ->andWhere('t2.type')->in($this->config->doc->docTypes)
             ->fetch('count');
@@ -2869,7 +2869,7 @@ class docModel extends model
             ->andWhere('templateType')->eq('')
             ->andWhere('deleted')->eq(0)
             ->andWhere('vision')->eq($this->config->vision)
-            ->andWhere('lib')->ne('')
+            ->andWhere('lib')->ne(0)
             ->fetch();
 
         $statistic->myDocs = $myStatistic->myDocs;
diff --git a/module/doc/tao.php b/module/doc/tao.php
index 5b55ea093a..59e6e3d039 100644
--- a/module/doc/tao.php
+++ b/module/doc/tao.php
@@ -145,7 +145,7 @@ class docTao extends docModel
         return $this->dao->select('t1.*, t2.name as libName, t2.type as objectType')->from(TABLE_DOC)->alias('t1')
             ->leftJoin(TABLE_DOCLIB)->alias('t2')->on("t1.lib=t2.id")
             ->where('t1.deleted')->eq(0)
-            ->andWhere('t1.lib')->ne('')
+            ->andWhere('t1.lib')->ne(0)
             ->andWhere('t1.id')->in($hasPrivDocIdList)
             ->beginIF($this->config->doc->notArticleType)->andWhere('t1.type')->notIN($this->config->doc->notArticleType)->fi()
             ->andWhere('t1.addedBy')->eq($this->app->user->account)
@@ -178,7 +178,7 @@ class docTao extends docModel
             ->leftJoin(TABLE_DOCLIB)->alias('t2')->on("t1.lib=t2.id")
             ->where('t1.deleted')->eq(0)
             ->andWhere('t1.id')->in(array_keys($docIdList))
-            ->andWhere('t1.lib')->ne('')
+            ->andWhere('t1.lib')->ne(0)
             ->andWhere('t1.vision')->in($this->config->vision)
             ->beginIF($this->config->doc->notArticleType)->andWhere('t1.type')->notIN($this->config->doc->notArticleType)->fi()
             ->orderBy($sort)
@@ -225,7 +225,7 @@ class docTao extends docModel
         return $this->dao->select('t1.*')->from(TABLE_DOC)->alias('t1')
             ->leftJoin(TABLE_DOCACTION)->alias('t2')->on("t1.id=t2.doc && t2.action='collect'")
             ->where('t1.deleted')->eq(0)
-            ->andWhere('t1.lib')->ne('')
+            ->andWhere('t1.lib')->ne(0)
             ->andWhere('t1.templateType')->eq('')
             ->andWhere('t1.id')->in($hasPrivDocIdList)
             ->beginIF($this->config->doc->notArticleType)->andWhere('t1.type')->notIN($this->config->doc->notArticleType)->fi()
diff --git a/module/project/ui/create.field.php b/module/project/ui/create.field.php
index 0c01915beb..787ccd6ba3 100644
--- a/module/project/ui/create.field.php
+++ b/module/project/ui/create.field.php
@@ -52,6 +52,7 @@ $fields->field('days')
 
 $fields->field('productsBox')->hidden(data('copyProject') && data('copyProject.hasProduct') == 0);
 
+$fields->field('desc')->value(data('copyProject.desc'));
 $fields->field('PM')->value(data('copyProject.PM'));
 $fields->field('budget')->value(data('copyProject.budget'));
 
diff --git a/module/upgrade/model.php b/module/upgrade/model.php
index de543c2e50..7f01ff27d6 100644
--- a/module/upgrade/model.php
+++ b/module/upgrade/model.php
@@ -10996,7 +10996,7 @@ class upgradeModel extends model
             ->leftJoin(TABLE_DOCCONTENT)->alias('t2')->on('t1.id = t2.doc && t1.version = t2.version')
             ->where('t1.deleted')->eq(0)
             ->andWhere('t1.templateType')->ne('')
-            ->andWhere('t1.lib')->eq('')
+            ->andWhere('t1.lib')->eq(0)
             ->andWhere('t1.module')->eq('')
             ->fetchAll('id', false);
         if(empty($templateList)) return array();