diff --git a/module/common/model.php b/module/common/model.php
index 29c894add8..5b32205207 100644
--- a/module/common/model.php
+++ b/module/common/model.php
@@ -1507,6 +1507,7 @@ class commonModel extends model
     }
 
     /**
+     * 检查RESTful API调用是否合法。
      * Check an entry of new API.
      *
      * @access public
@@ -1530,6 +1531,7 @@ class commonModel extends model
     }
 
     /**
+     * 检查旧版API调用是否合法。
      * Check an entry.
      *
      * @access public
@@ -1593,13 +1595,14 @@ class commonModel extends model
     }
 
     /**
+     * 检查Token是否合法。
      * Check token of an entry.
      *
      * @param  object $entry
      * @access public
      * @return bool
      */
-    public function checkEntryToken($entry)
+    public function checkEntryToken(object $entry): bool
     {
         parse_str($this->server->query_String, $queryString);
         unset($queryString['token']);
@@ -1626,19 +1629,21 @@ class commonModel extends model
     }
 
     /**
+     * 检查当前语言项是否为中文。
      * Check Not CN Lang.
      *
      * @static
      * @access public
      * @return bool
      */
-    public static function checkNotCN()
+    public static function checkNotCN(): bool
     {
         global $app;
         return strpos('|zh-cn|zh-tw|', '|' . $app->getClientLang() . '|') === false;
     }
 
     /**
+     * 检查对象是否可被修改。
      * Check the object can be changed.
      *
      * @param  string $module
@@ -1647,7 +1652,7 @@ class commonModel extends model
      * @access public
      * @return bool
      */
-    public static function canBeChanged($module, $object = null)
+    public static function canBeChanged(string $module, object $object = null): bool
     {
         if(defined('RUN_MODE') && RUN_MODE == 'api') return true;
 
diff --git a/module/common/test/model/appendorder.php b/module/common/test/model/appendorder.php
index eeb268ab4e..473d98f751 100755
--- a/module/common/test/model/appendorder.php
+++ b/module/common/test/model/appendorder.php
@@ -30,4 +30,4 @@ $order4 = $tester->common->appendOrder('account_desc', 'id');
 r($order1) && p() && e('status_asc,name_asc');   // 正序追加name排序
 r($order2) && p() && e('status_desc,name_desc'); // 倒序追加name排序
 r($order3) && p() && e('account_asc,id_asc');    // 正序追加id排序
-r($order4) && p() && e('account_desc,id_desc');  // 倒序追加id排序
+r($order4) && p() && e('account_desc,id_desc');  // 倒序追加id排序
\ No newline at end of file
diff --git a/module/common/test/model/canbechanged.php b/module/common/test/model/canbechanged.php
new file mode 100755
index 0000000000..258d65b407
--- /dev/null
+++ b/module/common/test/model/canbechanged.php
@@ -0,0 +1,45 @@
+#!/usr/bin/env php
+<?php
+include dirname(__FILE__, 5) . '/test/lib/init.php';
+su('admin');
+
+zdTable('project')->config('execution')->gen(500);
+zdTable('task')->gen(1);
+zdTable('story')->gen(1);
+zdTable('bug')->gen(1);
+zdTable('testtask')->gen(1);
+zdTable('case')->gen(1);
+
+/**
+
+title=测试 commonModel::diff();
+timeout=0
+cid=1
+
+- 查看需求是否可以被修改 @1
+- 查看bug是否可以被修改 @1
+- 查看测试任务是否可以被修改 @1
+- 查看任务是否可以被修改 @1
+- 查看用例是否可以被修改 @1
+
+*/
+
+global $tester;
+
+$task  = $tester->loadModel('task')->fetchById(1);
+$story = $tester->loadModel('story')->fetchById(1);
+$bug   = $tester->loadModel('bug')->fetchById(1);
+$test  = $tester->loadModel('testtask')->fetchById(1);
+$case  = $tester->loadModel('testcase')->fetchById(1);
+
+$result1 = commonModel::canBeChanged('story', $story);
+$result2 = commonModel::canBeChanged('bug', $bug);
+$result3 = commonModel::canBeChanged('testtask', $test);
+$result4 = commonModel::canBeChanged('task', $task);
+$result5 = commonModel::canBeChanged('case', $case);
+
+r($result1) && p() && e('1'); // 查看需求是否可以被修改
+r($result2) && p() && e('1'); // 查看bug是否可以被修改
+r($result3) && p() && e('1'); // 查看测试任务是否可以被修改
+r($result4) && p() && e('1'); // 查看任务是否可以被修改
+r($result5) && p() && e('1'); // 查看用例是否可以被修改
\ No newline at end of file
diff --git a/module/common/test/model/checkfield.php b/module/common/test/model/checkfield.php
index f98e54c7a8..137a38d349 100755
--- a/module/common/test/model/checkfield.php
+++ b/module/common/test/model/checkfield.php
@@ -9,13 +9,11 @@ title=测试 commonModel->checkField();
 timeout=0
 cid=1
 
-- 正序追加name排序 @status_asc,name_asc
-
-- 倒序追加name排序 @status_desc,name_desc
-
-- 正序追加id排序 @account_asc,id_asc
-
-- 倒序追加id排序 @account_desc,id_desc
+- 查看需求表中的id字段是否存在 @1
+- 查看需求表中的tester字段是否存在 @0
+- 查看任务表中的name字段是否存在 @1
+- 查看任务表中的title字段是否存在 @0
+- 查看任务表中的空字段是否存在 @0
 
 */
 
@@ -32,4 +30,4 @@ r($result1) && p() && e('1'); // 查看需求表中的id字段是否存在
 r($result2) && p() && e('0'); // 查看需求表中的tester字段是否存在
 r($result3) && p() && e('1'); // 查看任务表中的name字段是否存在
 r($result4) && p() && e('0'); // 查看任务表中的title字段是否存在
-r($result5) && p() && e('0'); // 查看任务表中的空字段是否存在
+r($result5) && p() && e('0'); // 查看任务表中的空字段是否存在
\ No newline at end of file
diff --git a/module/common/test/model/formatdate.php b/module/common/test/model/formatdate.php
index 305c2dcaa2..6838c1c79e 100755
--- a/module/common/test/model/formatdate.php
+++ b/module/common/test/model/formatdate.php
@@ -33,4 +33,4 @@ r($date2) && p() && e('2023-01-01 00:00:00'); // 查看格式化后的日期
 r($date3) && p() && e('2023-01-01 00:00:00'); // 查看格式化后的日期
 r($date4) && p() && e('2023-01-01');          // 查看格式化后的日期
 r($date5) && p() && e('2023-01-01 12:12:12'); // 查看格式化后的日期
-r($date6) && p() && e('2023-01-01 12:12:12'); // 查看格式化后的日期
+r($date6) && p() && e('2023-01-01 12:12:12'); // 查看格式化后的日期
\ No newline at end of file
diff --git a/module/common/test/model/getpreandnextobject.php b/module/common/test/model/getpreandnextobject.php
old mode 100644
new mode 100755
index 311e4f271a..56fd8d2abe
--- a/module/common/test/model/getpreandnextobject.php
+++ b/module/common/test/model/getpreandnextobject.php
@@ -8,8 +8,19 @@ zdTable('story')->gen(10);
 /**
 
 title=测试 commonModel->getPreAndNextObject();
+timeout=0
 cid=1
-pid=1
+
+- 执行common模块的getPreAndNextObject方法，参数是'', 3 
+ - 属性pre @~~
+ - 属性next @~~
+- 执行common模块的getPreAndNextObject方法，参数是'story', 3 
+ - 属性pre @~~
+ - 属性next @~~
+- 执行$preAndNextObject->pre属性id @2
+- 执行$preAndNextObject->next属性id @4
+- 执行$preAndNextObject->pre属性id @2
+- 执行$preAndNextObject->next属性id @4
 
 */
 
@@ -33,4 +44,4 @@ $_SESSION['storyQueryCondition'] = 'SELECT * FROM `zt_story` WHERE id <= 4';
 $_SESSION['storyOnlyCondition']  = false;
 $preAndNextObject = $tester->common->getPreAndNextObject('story', 3);
 r($preAndNextObject->pre)  && p('id') && e('2');
-r($preAndNextObject->next) && p('id') && e('4');
+r($preAndNextObject->next) && p('id') && e('4');
\ No newline at end of file
diff --git a/module/common/test/model/isopenmethod.php b/module/common/test/model/isopenmethod.php
index 7c5cd5336c..78fc3f6e53 100755
--- a/module/common/test/model/isopenmethod.php
+++ b/module/common/test/model/isopenmethod.php
@@ -27,4 +27,4 @@ $priv4 = $tester->common->isOpenMethod('product', 'showerrornone');
 r($priv1) && p() && e('1');
 r($priv2) && p() && e('1');
 r($priv3) && p() && e('0');
-r($priv4) && p() && e('1');
+r($priv4) && p() && e('1');
\ No newline at end of file
diff --git a/module/common/test/model/removeduplicate.php b/module/common/test/model/removeduplicate.php
old mode 100644
new mode 100755
index 6354e6a160..6852c12287
--- a/module/common/test/model/removeduplicate.php
+++ b/module/common/test/model/removeduplicate.php
@@ -31,8 +31,39 @@ $doc->gen(1);
 /**
 
 title=测试 commonModel->removeDuplicate();
+timeout=0
 cid=1
-pid=1
+
+- 测试是否是重复需求
+ - 属性stop @1
+ - 属性duplicate @1
+- 有条件情况下，测试是否是重复需求。属性stop @~~
+- 测试是否是重复用例
+ - 属性stop @1
+ - 属性duplicate @1
+- 有条件情况下，测试是否是重复用例。属性stop @~~
+- 测试是否是重复任务
+ - 属性stop @1
+ - 属性duplicate @1
+- 有条件情况下，测试是否是重复用例。属性stop @~~
+- 测试是否是重复Bug
+ - 属性stop @1
+ - 属性duplicate @1
+- 有条件情况下，测试是否是重复Bug属性stop @~~
+- 测试是否是重复文档
+ - 属性stop @1
+ - 属性duplicate @1
+- 有条件情况下，测试是否是重复文档属性stop @~~
+- 测试批量重复需求 @story1
+- 有条件情况下，测试批量重复需求 @2
+- 测试批量重复用例 @case1
+- 有条件情况下，测试批量重复用例 @2
+- 测试批量重复任务 @task1
+- 有条件情况下，测试批量重复任务 @2
+- 测试批量重复Bug @bug1
+- 有条件情况下，测试批量重复Bug @2
+- 测试批量重复文档 @doc1
+- 有条件情况下，测试批量重复文档 @2
 
 */
 
@@ -114,4 +145,4 @@ r($result['data']->title[1]) && p() && e('doc1'); //测试批量重复文档
 
 $doc->title = array('testdoc', 'doc1');
 $result = $tester->common->removeDuplicate('doc', $doc, 'id!=1');
-r(count($result['data']->title)) && p() && e('2'); //有条件情况下，测试批量重复文档
+r(count($result['data']->title)) && p() && e('2'); //有条件情况下，测试批量重复文档
\ No newline at end of file
diff --git a/module/common/test/model/syncexecutionstatus.php b/module/common/test/model/syncexecutionstatus.php
index 94a449d408..8b071c4719 100755
--- a/module/common/test/model/syncexecutionstatus.php
+++ b/module/common/test/model/syncexecutionstatus.php
@@ -3,7 +3,7 @@
 include dirname(__FILE__, 5) . '/test/lib/init.php';
 su('admin');
 
-zdTable('project')->config('execution')->gen(10);
+zdTable('project')->config('execution')->gen(200);
 zdTable('task')->gen(10);
 
 /**
@@ -43,4 +43,4 @@ $execution3 = $tester->execution->getById(103);
 
 r($execution1) && p('status') && e('doing'); // 任务开始将执行的状态设为doing
 r($execution2) && p('status') && e('doing'); // 任务开始将执行的状态设为doing
-r($execution3) && p('status') && e('doing'); // 任务开始将执行的状态设为doing
+r($execution3) && p('status') && e('doing'); // 任务开始将执行的状态设为doing
\ No newline at end of file
diff --git a/module/common/test/model/syncprojectstatus.php b/module/common/test/model/syncprojectstatus.php
index bb2717d83f..12cead1ada 100755
--- a/module/common/test/model/syncprojectstatus.php
+++ b/module/common/test/model/syncprojectstatus.php
@@ -3,8 +3,7 @@
 include dirname(__FILE__, 5) . '/test/lib/init.php';
 su('admin');
 
-zdTable('project')->gen(100);
-zdTable('project')->config('execution')->gen(200, false);
+zdTable('project')->config('execution')->gen(200);
 
 /**
 
diff --git a/module/common/test/yaml/execution.yaml b/module/common/test/yaml/execution.yaml
index c01c1e03cb..13b3a2a0f3 100644
--- a/module/common/test/yaml/execution.yaml
+++ b/module/common/test/yaml/execution.yaml
@@ -1,22 +1,22 @@
 title: table zt_execution
-author: Zhu Jinyong
+author: Sun Guangming
 version: "1.0"
 fields:
   - field: id
-    range: 101-700
+    range: 1-700
   - field: name
     note: "名称"
     fields:
     - field: name1
-      range: 迭代{30},阶段{30},看板{30}
+      range: 项目集{10},项目{90},迭代{200},阶段{200},看板{200}
     - field: name2
       range: 1-10000
   - field: project
-    range: 11-100
+    range: 0{10},1-10{9},11-100
   - field: model
-    range: []
+    range: "[]{10},[scrum,waterfall,kanban,agileplus,waterfallplus]{30!}"
   - field: type
-    range: sprint{30},stage{30},kanban{30}
+    range: program{10},project{90},sprint{200},stage{200},kanban{200}
   - field: budget
     range: 800000-1:100
   - field: status
@@ -29,7 +29,7 @@ fields:
     range: "extend"
   - field: desc
     range: 1-10000
-    prefix: "迭代描述"
+    prefix: "描述"
   - field: begin
     range: "(-2M)-(+M):1D"
     type: timestamp
@@ -43,33 +43,4 @@ fields:
   - field: grade
     range: 1
   - field: parent
-    range: 11-40,41-70,71-100
-  - field: path
-    fields:
-      - field: path1
-        prefix: ","
-        range: 11-100
-      - field: path2
-        prefix: ","
-        range: 101-700
-        postfix: ","
-  - field: acl
-    range: open{4},private{4}
-  - field: openedVersion
-    range: "16.5"
-  - field: whitelist
-    froms:
-      - from: common.user.v1.yaml
-        use: empty{8}
-      - from: common.user.v1.yaml
-        use: empty{8}
-        prefix: ","
-      - from: common.user.v1.yaml
-        use: one{8}
-        prefix: ","
-      - from: common.user.v1.yaml
-        use: two{8}
-        prefix: ","
-      - from: common.user.v1.yaml
-        use: three{8}
-        prefix: ","
+    range: 0{10},1-10{9},11-100