diff --git a/trunk/module/action/lang/zh-cn.php b/trunk/module/action/lang/zh-cn.php
index 7be2abf485..fab2a0f9bc 100644
--- a/trunk/module/action/lang/zh-cn.php
+++ b/trunk/module/action/lang/zh-cn.php
@@ -51,6 +51,7 @@ $lang->action->desc->changed   = '$date, 由 <strong>$actor</strong> 变更。';
 $lang->action->desc->edited    = '$date, 由 <strong>$actor</strong> 编辑。';
 $lang->action->desc->closed    = '$date, 由 <strong>$actor</strong> 关闭。';
 $lang->action->desc->deleted   = '$date, 由 <strong>$actor</strong> 删除。';
+$lang->action->desc->erased    = '$date, 由 <strong>$actor</strong> 删除。';
 $lang->action->desc->undeleted = '$date, 由 <strong>$actor</strong> 还原。';
 $lang->action->desc->commented = '$date, 由 <strong>$actor</strong> 发表评论。';
 $lang->action->desc->activated = '$date, 由 <strong>$actor</strong> 激活。';
@@ -65,6 +66,7 @@ $lang->action->label->changed             = '变更了';
 $lang->action->label->edited              = '编辑了';
 $lang->action->label->closed              = '关闭了';
 $lang->action->label->deleted             = '删除了';
+$lang->action->label->erased              = '删除了';
 $lang->action->label->undeleted           = '还原了';
 $lang->action->label->commented           = '评论了';
 $lang->action->label->activated           = '激活了';
@@ -76,6 +78,7 @@ $lang->action->label->linked2plan         = '关联计划';
 $lang->action->label->unlinkedfromplan    = '移除计划';
 $lang->action->label->linked2project      = '关联项目';
 $lang->action->label->unlinkedfromproject = '移除项目';
+$lang->action->label->marked              = '编辑了';
 $lang->action->label->login               = '登录系统';
 $lang->action->label->logout              = "退出登录";
 
diff --git a/trunk/module/build/control.php b/trunk/module/build/control.php
index b8abcf6907..19c992a6ce 100644
--- a/trunk/module/build/control.php
+++ b/trunk/module/build/control.php
@@ -51,8 +51,11 @@ class build extends control
         {
             $changes = $this->build->update($buildID);
             if(dao::isError()) die(js::error(dao::getError()));
-            $actionID = $this->loadModel('action')->create('build', $buildID, 'edited');
-            $this->action->logHistory($actionID, $changes);
+            if($changes)
+            {
+                $actionID = $this->loadModel('action')->create('build', $buildID, 'edited');
+                $this->action->logHistory($actionID, $changes);
+            }
             die(js::locate(inlink('view', "buildID=$buildID"), 'parent'));
         }
 
diff --git a/trunk/module/product/control.php b/trunk/module/product/control.php
index 9f26ec13b6..ee823bac66 100644
--- a/trunk/module/product/control.php
+++ b/trunk/module/product/control.php
@@ -133,8 +133,11 @@ class product extends control
         {
             $changes = $this->product->update($productID); 
             if(dao::isError()) die(js::error(dao::getError()));
-            $actionID = $this->loadModel('action')->create('product', $productID, 'edited');
-            $this->action->logHistory($actionID, $changes);
+            if($changes)
+            {
+                $actionID = $this->loadModel('action')->create('product', $productID, 'edited');
+                $this->action->logHistory($actionID, $changes);
+            }
             die(js::locate(inlink('view', "product=$productID"), 'parent'));
         }
 
diff --git a/trunk/module/productplan/control.php b/trunk/module/productplan/control.php
index 50656e2edb..1c1ed31ed4 100644
--- a/trunk/module/productplan/control.php
+++ b/trunk/module/productplan/control.php
@@ -56,8 +56,11 @@ class productplan extends control
         {
             $changes = $this->productplan->update($planID);
             if(dao::isError()) die(js::error(dao::getError()));
-            $actionID = $this->loadModel('action')->create('productplan', $planID, 'edited');
-            $this->action->logHistory($actionID, $changes);
+            if($changes)
+            {
+                $actionID = $this->loadModel('action')->create('productplan', $planID, 'edited');
+                $this->action->logHistory($actionID, $changes);
+            }
             die(js::locate(inlink('view', "planID=$planID"), 'parent'));
         }
 
diff --git a/trunk/module/project/control.php b/trunk/module/project/control.php
index 9ed74c954f..69c95441cd 100644
--- a/trunk/module/project/control.php
+++ b/trunk/module/project/control.php
@@ -362,8 +362,11 @@ class project extends control
         {
             $changes = $this->project->update($projectID);
             if(dao::isError()) die(js::error(dao::getError()));
-            $actionID = $this->loadModel('action')->create('project', $projectID, 'edited');
-            $this->action->logHistory($actionID, $changes);
+            if($changes)
+            {
+                $actionID = $this->loadModel('action')->create('project', $projectID, 'edited');
+                $this->action->logHistory($actionID, $changes);
+            }
             die(js::locate($this->createLink('project', 'view', "projectID=$projectID"), 'parent'));
         }
 
diff --git a/trunk/module/release/control.php b/trunk/module/release/control.php
index 1e23398f99..1fb5625b2b 100644
--- a/trunk/module/release/control.php
+++ b/trunk/module/release/control.php
@@ -69,8 +69,11 @@ class release extends control
         {
             $changes = $this->release->update($releaseID);
             if(dao::isError()) die(js::error(dao::getError()));
-            $actionID = $this->loadModel('action')->create('release', $releaseID, 'edited');
-            $this->action->logHistory($actionID, $changes);
+            if($changes)
+            {
+                $actionID = $this->loadModel('action')->create('release', $releaseID, 'edited');
+                $this->action->logHistory($actionID, $changes);
+            }
             die(js::locate(inlink('view', "releaseID=$releaseID"), 'parent'));
         }
 
diff --git a/trunk/module/testtask/control.php b/trunk/module/testtask/control.php
index eff52f9006..885771a74d 100644
--- a/trunk/module/testtask/control.php
+++ b/trunk/module/testtask/control.php
@@ -150,8 +150,11 @@ class testtask extends control
         {
             $changes = $this->testtask->update($taskID);
             if(dao::isError()) die(js::error(dao::getError()));
-            $actionID = $this->loadModel('action')->create('testtask', $taskID, 'edited');
-            $this->action->logHistory($actionID, $changes);
+            if($changes)
+            {
+                $actionID = $this->loadModel('action')->create('testtask', $taskID, 'edited');
+                $this->action->logHistory($actionID, $changes);
+            }
             die(js::locate(inlink('view', "taskID=$taskID"), 'parent'));
         }