diff --git a/README.md b/README.md
new file mode 100644
index 0000000000..43efddd1ae
--- /dev/null
+++ b/README.md
@@ -0,0 +1 @@
+欢迎访问<a href='http://www.zentao.net' target='_blank'>禅道项目管理软件</a>主站，获得最新动态和文档支持。
diff --git a/doc/CHANGELOG b/doc/CHANGELOG
index 7c7e86c1fc..67d60bea6d 100644
--- a/doc/CHANGELOG
+++ b/doc/CHANGELOG
@@ -36,6 +36,90 @@ pms缃戠珯浣跨敤鎵嬫満璁块棶鐨勬椂鍊欙紝鍖垮悕鐧诲綍鏃讹紝鏌ョ湅浠诲姟璇︽儏鐨�
 棣栨鏇存柊鈥滃紑鍙戔�濅换鍔℃椂锛屽鏋滅洿鎺ョ偣鈥滄洿鏂板伐鏃垛�濓紝闇�姹傞樁娈典笉浼氳嚜鍔ㄥ彉鍖栵紝宸ユ椂鏇存柊淇濆瓨鍚庛�愪换鍔″疄闄呭紑濮嬫棩鏈熴�戠殑鍊艰繕鏄�0000-00-00锛涗絾濡傛灉鍏堢偣鈥滃紑濮嬧�濓紝闇�姹傞樁娈靛氨浼氳嚜鍔ㄥ彉鍖栥��
 鎴戠殑鍦扮洏棣栭〉锛屾祴璇曠鐞嗭紝鐐瑰嚮鐢辨垜鍒涘缓鐨刡ug锛屽嚭鐜伴敊璇��
 
+ 2013-10-08 5.1
+
+瀹屾垚鐨勯渶姹傦細
+1481 璋冩暣寮�婧愮増鏈殑鐣岄潰
+  鏇存崲鍥炬爣锛屼娇鐢ㄥ瓧浣撴樉绀哄浘鏍囥��
+  璋冩暣椤甸潰鏍峰紡
+
+淇鐨凚ug锛�
+497 璁″垝璇︽儏锛屽凡鍏宠仈闇�姹傦細鎸塱d鎺掑簭涓嶅
+513 5.0鐗堟湰鐢眀ug杞寲鏉ョ殑浠诲姟瀹屾垚寮圭獥鏄剧ず涓嶆纭�
+499 鍒楄〃鐨刢heckbox涓嶈兘鐢�
+231 濡傛灉action妯″潡鏈塵odel鎵╁睍锛屽垹闄ゆ煇涓�涓褰曠殑鏃跺�欎細鏈夐敊
+510 鍒楄〃椤甸潰鐨刢heckbox杩炵画鐐瑰嚮鏃犳硶鍙栨秷杩樻槸閫変腑
+454 鐢眀ug杞换鍔★紝瀹屾垚浠诲姟鏄〉闈㈣烦杞棶棰樸�� 
+495 4.1 4.2鎴戠殑鍦扮洏绌虹櫧
+509 妫�鏌ユ墍鏈夌殑鍒楄〃椤甸潰鐨勫垹闄ゆ寜閽槸鍚﹀湪鏃犳潈闄愮殑鎯呭喌涓嬭繕鍙互鐐瑰嚮
+504 浜у搧璁″垝鍒楄〃椤甸潰锛屾病鏈夊垹闄よ鍒掓潈闄愮殑鐢ㄦ埛鍙互鐐瑰嚮鍒犻櫎鎸夐挳
+498 鐢ㄤ緥鎵ц(寰呭姙瀹屾垚)涔嬪悗鐐瑰嚮colorbox鐨勫叧闂病鏈夊埛鏂伴〉闈€�� 
+491 5.0.beta2鍚庡彴鑷畾涔夐〉闈㈡湁閿欒
+505 5.0缁忓吀钃濅竴绾ц彍鍗曟牱寮忔湁闂
+460 瑙ｅ喅webapp鍒楄〃灞曞紑浜屾鎶栧姩闂銆�
+511 娓稿鏃犳硶鎼滅储椤圭洰鎴栬�呬骇鍝佸垪
+
+2013-09-03 5.0.stable
+
+2013-08-27 5.0.beta2
+
+淇鐨凚UG锛�
+484 3.0.beta1 鍒涘缓bug鍒囨崲浜у搧鍚庢墍鏈変骇鍝佺殑妯″潡閮芥樉绀轰笉鍑烘潵
+483 鎼滅储杩囨护浜у搧椤圭洰鏉冮檺閿欒
+482 bug锛岄渶姹傦紝浠诲姟鐨勫脊绐楁搷浣滃悗锛屾妱閫佺粰瀛楁鏍峰紡鍙互璋冩暣涓�
+481 澶勭悊澶囨敞閲岄潰鍙湁<br />鐨勬儏鍐�
+480 椤圭洰闇�姹傚垪琛ㄩ〉闈㈢Щ闄や箣鍚庢病鏈夊埛鏂�
+479 銆怋ug鏂板銆戞柊澧濨ug鐨勬椂鍊欏浘鐗囪繃澶у鑷寸晫闈㈤敊浣�
+478 銆愰渶姹傛煡璇€�戞病鏈夊嬀閫変换浣曢渶姹傚氨鐐瑰嚮鎵归噺缂栬緫銆佹壒閲忓叧闂寜閽病鏈夋彁绀轰俊鎭�
+476 2.1鍒涘缓缂栬緫鍙戝竷鎶ラ敊
+475 銆怋ug绠＄悊銆戙�愮敤渚嬬鐞嗐�戝缓璁鍒朵骇鍝佽鍥炬ā鍧楃殑鏃跺�欏彲浠ュ皢鎵�鏈夌殑浜у搧妯″潡涓�涓嬪瓙澶嶅埗杩囨潵)
+473 銆怋ug绠＄悊銆戝紑鍙戣В鍐抽棶棰樿В鍐冲缓璁娇鐢ㄩ粯璁ゅ��)
+472 銆怋ug绠＄悊銆戝紑鍙戠偣鍑烩�滆В鍐矪ug鈥濅互鍚庡脊鍑虹殑鐣岄潰寤鸿鐩存帴鍏抽棴
+471 銆愭柊澧濨UG銆戦厤缃簡閭浠ュ悗鎻愪氦BUG锛屾瘡娆＄偣鍑讳繚瀛樺弽搴旈兘寰堟參銆�
+470 4.1闇�姹傛洿鍙樺悗椤圭洰涓殑浠诲姟鏃犳洿鍙樻彁绀轰簡
+469 3.0.beta1鎻恇ug鐐瑰嚮妯″潡缁存姢鏄剧ず鏈夐棶棰�
+468 椤圭洰涓叧鑱旈渶姹傜殑鎼滅储娌℃湁杩囨护鑽夌ǹ闇�姹�
+467 浠诲姟鐐瑰嚮寮�濮嬫搷浣滅殑鏃跺�欎細鑷姩鏇存柊浠诲姟鐨勬寚娲炬椂闂�
+465 闇�姹傜殑缂栬緫椤甸潰楠屾敹鏍囧噯鏄剧ず娌℃湁澶勭悊
+464 bug鑷畾涔夊瓧娈靛悗鎿嶄綔鏍忔病鏈夋牴鎹産ug鐨勭姸鎬佸垽鏂槸鍚﹀彲浠ヨ繘琛屾搷浣�
+463 4.2.beta鐗堟湰椤圭洰妯″潡缁存姢涓嶈兘娣诲姞鏂扮殑妯″潡
+461 闇�姹傛壒閲忓叧闂細濡傛灉閮芥槸宸茬粡鍏抽棴鐨勯渶姹傦紝鍒欎細鏈夐棶棰�
+459 瀹夎濉啓绠＄悊鍛樻椂娌℃湁杩涜瑙掕壊璁惧畾锛岃繘鍏ョ閬撲細鎶ラ敊銆�
+457 鎼滅储鐢ㄤ緥娌℃湁闄愬埗涓哄綋鍓嶇殑浜у搧锛屼細鎶婃墍鏈変骇鍝佷腑绗﹀悎鏉′欢鐨勭敤渚嬮兘鎼滅储鍑烘潵
+456 闇�姹傛悳绱細鎼滅储鍑哄凡缁忓垹闄ょ殑闇�姹�
+淇鐢ㄤ緥娣诲姞鏃跺�欑殑闂
+鐢ㄤ緥鍒犻櫎鐨勮烦杞�昏緫闂
+
+2013-08-12 5.0.beta1
+
+瀹屾垚鐨勯渶姹傦細
+ 1674 瀹屾垚娴嬭瘯浠诲姟鐨勮嚜瀹氫箟閰嶇疆鍔熻兘
+ 1675 瀹屾垚寰呭姙鐨勮嚜瀹氫箟閰嶇疆鍔熻兘
+ 1676 瀹屾垚鐢ㄦ埛鐨勮嚜瀹氫箟閰嶇疆鍔熻兘
+ 1677 涓洪厤缃〉闈㈠鍔犫�滃洖澶嶉粯璁も�濆姛鑳�
+ 1679 淇鍥涘崄浜旀湡椤圭洰浜х敓鐨凚ug 
+ 1666 鍦ㄥ悗鍙版坊鍔犱簩绾ч厤缃彍鍗�
+ 1667 纭畾鍚庡彴閰嶇疆涓嬬殑鑿滃崟锛堜笁绾ц彍鍗曪級
+ 1668 纭畾閰嶇疆鑿滃崟涓嬩笁绾ц彍鍗曚笅鐨勫悇涓洓绾ц彍鍗�
+ 1669 璁捐閰嶇疆鏁版嵁琛ㄧ粨鏋�
+ 1670 瀹屾垚闇�姹傜殑鑷畾涔夐厤缃姛鑳�
+ 1671 瀹屾垚浠诲姟鐨勮嚜瀹氫箟閰嶇疆鍔熻兘
+ 1672 瀹屾垚bug鐨勮嚜瀹氫箟閰嶇疆鍔熻兘
+ 1673 瀹屾垚娴嬭瘯鐨勮嚜瀹氫箟閰嶇疆鍔熻兘
+ 1681 涓鸿嚜瀹氫箟閰嶇疆澧炲姞璇█鐨勯�夋嫨銆�
+ 1683 璋冩暣bug鍒楄〃鐨勬寜閽�
+ 1684 璋冩暣鐢ㄤ緥鍒楄〃鐨勬寜閽�
+ 1685 bug澧炲姞鎵归噺瑙ｅ喅鍔熻兘
+ 1686 灏哻hangeAction鏂规硶鏀惧埌my.full.js锛屾敼鍚嶄负setFormAction
+ 1687 璋冩暣闇�姹傚垪琛ㄧ殑鎸夐挳
+ 1688 璋冩暣浠诲姟鍒楄〃鐨勬寜閽�
+ 1689 涓篵ug澧炲姞鎵归噺纭鍔熻兘 
+
+淇鐨凚UG锛�
+
+466 鏌ヨ绗﹀悎鏌愪竴鏉′欢鐨勯渶姹傦紝閫夋嫨鍏朵腑鐨勬煇涓�涓叧闂紝鐐瑰嚮涓嬩竴涓紝鍙堜粠绗竴涓紑濮�
+淇鍒涘缓鐗堟湰鏃讹紝鍏宠仈Bug鐨勬壒閲忔搷浣滈敊璇紝鍜宎ction閿欒銆�
+
 2013-8-5 4.3.beta
 
 瀹屾垚鐨勫姛鑳斤細
diff --git a/module/bug/view/create.html.php b/module/bug/view/create.html.php
index a0f1c585dd..fc9989ac1e 100644
--- a/module/bug/view/create.html.php
+++ b/module/bug/view/create.html.php
@@ -64,9 +64,11 @@ js::set('refresh', $lang->refresh);
     </tr>  
     <tr>
       <th class='rowhead'><?php echo $lang->bug->steps;?></th>
-      <td style='position:relative'>
-        <div class='w-p85 bd-none padding-zero f-left'><?php echo html::textarea('steps', $steps, "rows='10'");?></div>
-        <div class='bd-none' id='tplBox' style='position:absolute;top:0px;left:86%'><?php echo $this->fetch('bug', 'buildTemplates');?></div>
+      <td>
+        <div style='position:relative'>
+          <div class='w-p85 bd-none padding-zero f-left'><?php echo html::textarea('steps', $steps, "rows='10'");?></div>
+          <div class='bd-none' id='tplBox' style='position:absolute;top:0px;left:86%'><?php echo $this->fetch('bug', 'buildTemplates');?></div>
+        </div>
       </td>
     </tr>  
     <tr>
diff --git a/module/custom/view/set.html.php b/module/custom/view/set.html.php
index 2553661dc3..1690503363 100644
--- a/module/custom/view/set.html.php
+++ b/module/custom/view/set.html.php
@@ -79,7 +79,7 @@ EOT;
             <?php if($canAdd):?>
             <td class='a-left'>
               <a href='javascript:void()' class='link-icon' onclick='addItem(this)'><i class='icon-add'></i></a>
-              <?php if(!$system):?><a href='javascript:onclick=delItem(this)' class='link-icon'><i class='icon-delete'></i></a><?php endif;?>
+              <?php if(!$system):?><a href='javascript:void()' onclick='delItem(this)' class='link-icon'><i class='icon-delete'></i></a><?php endif;?>
             </td>
             <?php endif;?>
           </tr>
diff --git a/module/search/model.php b/module/search/model.php
index 0fec988160..836a01c4bb 100644
--- a/module/search/model.php
+++ b/module/search/model.php
@@ -63,7 +63,7 @@ class searchModel extends model
             $valueName    = "value$i";
 
             /* Skip empty values. */
-            if($this->post->$valueName === false or $this->post->$valueName === '') continue; 
+            if($this->post->$valueName == false) continue; 
             if($this->post->$valueName == 'null') $this->post->$valueName = '';  // Null is special, stands to empty.
             if($this->post->$valueName == 'ZERO') $this->post->$valueName = 0;   // ZERO is special, stands to 0.
 
diff --git a/www/theme/default/style.css b/www/theme/default/style.css
index 8e999969d8..dbcbcebeb7 100644
--- a/www/theme/default/style.css
+++ b/www/theme/default/style.css
@@ -137,7 +137,7 @@ i[class^="icon-"].disabled,i[class*=" icon-"].disabled,i[class^="icon-"].disable
 .icon-share2:before {content: "\e76a";}
 .icon-green-testcase-batchCreate:before,
 .icon-gray-testcase-createCase:before,
-.icon-usecases:before,.icon-green-testcase-createCase,.icon-green-story-createCase {content: "\e600";}
+.icon-usecases:before,.icon-green-testcase-createCase:before,.icon-green-story-createCase:before {content: "\e600";}
 .icon-tasks:before,.icon-green-task-create:before {content: "\e601";}