diff --git a/module/bug/tao.php b/module/bug/tao.php
index 85452bf575..b9248ff9b2 100644
--- a/module/bug/tao.php
+++ b/module/bug/tao.php
@@ -228,7 +228,7 @@ class bugTao extends bugModel
      * @access protected
      * @return bool
      */
-    protected function updateLinkBug(string $bugID, string $linkBug, string $oldLinkBug): bool
+    protected function updateLinkBug(int $bugID, string $linkBug, string $oldLinkBug): bool
     {
         $linkBugs        = explode(',', $linkBug);
         $oldLinkBugs     = explode(',', $oldLinkBug);
@@ -242,15 +242,17 @@ class bugTao extends bugModel
             if(in_array($changedBugID, $addedLinkBugs))
             {
                 $currentLinkBug = $bugID;
-                if(!empty($linkBugs)) $currentLinkBug = trim($linkBugs, ',') . ',' . $bugID;
+                $linkBugs = explode(',', $linkBugs);
+                if(!empty($linkBugs) && !in_array($bugID, $linkBugs)) $linkBugs[] = $bugID;
             }
             else
             {
                 $linkBugs = explode(',', $linkBugs);
                 unset($linkBugs[array_search($bugID, $linkBugs)]);
-                $currentLinkBug  = implode(',', $linkBugs);
             }
 
+            $currentLinkBug = implode(',', array_filter($linkBugs));
+
             $this->dao->update(TABLE_BUG)->set('linkBug')->eq($currentLinkBug)->where('id')->eq($changedBugID)->exec();
         }
 
diff --git a/module/bug/test/tao/data/sql/bug.sql b/module/bug/test/tao/data/sql/bug.sql
index 1d3a6228de..49e23c5758 100644
--- a/module/bug/test/tao/data/sql/bug.sql
+++ b/module/bug/test/tao/data/sql/bug.sql
@@ -117,4 +117,4 @@ UNLOCK TABLES;
 /*!40101 SET COLLATION_CONNECTION=@OLD_COLLATION_CONNECTION */;
 /*!40111 SET SQL_NOTES=@OLD_SQL_NOTES */;
 
--- Dump completed on 2023-05-08  8:07:31
+-- Dump completed on 2023-05-08  9:54:53
diff --git a/module/bug/test/tao/data/sql/zt_bug_zd.sql b/module/bug/test/tao/data/sql/zt_bug_zd.sql
index 8f03f0d9a9..0739dc7d3d 100755
--- a/module/bug/test/tao/data/sql/zt_bug_zd.sql
+++ b/module/bug/test/tao/data/sql/zt_bug_zd.sql
@@ -1,6 +1,6 @@
 INSERT INTO zt_bug(`id`, `project`, `product`, `branch`, `module`, `execution`, `plan`, `story`, `storyVersion`, `task`, `toTask`, `toStory`, `title`, `keywords`, `severity`, `pri`, `type`, `os`, `browser`, `hardware`, `found`, `steps`, `status`, `subStatus`, `color`, `confirmed`, `activatedCount`, `mailto`, `openedBy`, `openedDate`, `openedBuild`, `assignedTo`, `assignedDate`, `deadline`, `resolvedBy`, `resolution`, `resolvedBuild`, `resolvedDate`, `closedBy`, `closedDate`, `duplicateBug`, `linkBug`, `case`, `caseVersion`, `result`, `repo`, `entry`, `lines`, `v1`, `v2`, `repoType`, `testtask`, `lastEditedBy`, `lastEditedDate`, `deleted`)
-  VALUES ('1', '0', '1', '0', '1821', '0', '1', '2', '1', '0', '0', '0', 'BUG1', '', '3', '3', 'codeerror', '', '', '', '', '<p>【步骤】</p><br/><p>【结果】</p><br/><p>【期望】</p><br/>', 'active', '', '#3da7f5', '0', '0', 'admin', 'admin', '2023-04-08 08:07:30', '1', 'admin', '2023-04-08', '2023-04-08', '', '', '', '2023-05-15', '', '', '0', '', '0', '0', '0', '0', '', '', '', '', '', '0', '', '', '0'), 
-         ('2', '1', '2', '1', '1822', '1', '1', '6', '1', '0', '0', '0', 'BUG2', '', '3', '3', 'codeerror', '', '', '', '', '【步骤】进入成果展示<br/>【结果】乱码<br/>【期望】正常显示<br/>', 'active', '', '#75c941', '1', '0', 'admin', 'admin', '2023-04-09 08:07:30', '2', 'admin', '2023-04-09', '2023-04-09', '', '', '', '2023-05-14', '', '', '0', '', '0', '0', '0', '0', '', '', '', '', '', '0', '', '', '0'), 
-         ('3', '2', '3', '0', '1823', '2', '1', '10', '1', '0', '0', '0', 'BUG3', '', '3', '3', 'codeerror', 'win10', '', '', '', '<p>【步骤】</p><br/><p>【结果】</p><br/><p>【期望】</p><br/>', 'active', '', '#2dbdb2', '0', '0', 'admin', 'admin', '2023-04-10 08:07:30', '3', 'admin', '2023-04-10', '2023-04-10', '', '', '', '2023-05-13', '', '', '0', '', '0', '0', '0', '0', '', '', '', '', '', '0', '', '', '0'), 
-         ('4', '3', '4', '1', '1825', '3', '4', '14', '1', '0', '0', '0', 'BUG4', '', '3', '3', 'codeerror', 'windows', '', '', '', '【步骤】进入成果展示<br/>【结果】乱码<br/>【期望】正常显示<br/>', 'active', '', '#797ec9', '1', '0', 'admin', 'admin', '2023-04-11 08:07:30', '4', 'admin', '2023-04-11', '2023-04-11', '', '', '', '2023-05-12', '', '', '0', '', '0', '0', '0', '0', '', '', '', '', '', '0', '', '', '0'), 
-         ('5', '4', '5', '0', '1826', '4', '4', '18', '1', '0', '0', '0', 'BUG5', '', '3', '3', 'codeerror', 'android', '', '', '', '<p>【步骤】</p><br/><p>【结果】</p><br/><p>【期望】</p><br/>', 'active', '', '#ffaf38', '0', '0', 'admin', 'admin', '2023-04-12 08:07:30', '5', 'admin', '2023-04-12', '2023-04-12', '', '', '', '2023-05-11', '', '', '0', '', '0', '0', '0', '0', '', '', '', '', '', '0', '', '', '0'); 
+  VALUES ('1', '0', '1', '0', '1821', '0', '1', '2', '1', '0', '0', '0', 'BUG1', '', '3', '3', 'codeerror', '', '', '', '', '<p>【步骤】</p><br/><p>【结果】</p><br/><p>【期望】</p><br/>', 'active', '', '#3da7f5', '0', '0', 'admin', 'admin', '2023-04-08 09:54:53', '1', 'admin', '2023-04-08', '2023-04-08', '', '', '', '2023-05-15', '', '', '0', '', '0', '0', '0', '0', '', '', '', '', '', '0', '', '', '0'), 
+         ('2', '1', '2', '1', '1822', '1', '1', '6', '1', '0', '0', '0', 'BUG2', '', '3', '3', 'codeerror', '', '', '', '', '【步骤】进入成果展示<br/>【结果】乱码<br/>【期望】正常显示<br/>', 'active', '', '#75c941', '1', '0', 'admin', 'admin', '2023-04-09 09:54:53', '2', 'admin', '2023-04-09', '2023-04-09', '', '', '', '2023-05-14', '', '', '0', '', '0', '0', '0', '0', '', '', '', '', '', '0', '', '', '0'), 
+         ('3', '2', '3', '0', '1823', '2', '1', '10', '1', '0', '0', '0', 'BUG3', '', '3', '3', 'codeerror', 'win10', '', '', '', '<p>【步骤】</p><br/><p>【结果】</p><br/><p>【期望】</p><br/>', 'active', '', '#2dbdb2', '0', '0', 'admin', 'admin', '2023-04-10 09:54:53', '3', 'admin', '2023-04-10', '2023-04-10', '', '', '', '2023-05-13', '', '', '0', '', '0', '0', '0', '0', '', '', '', '', '', '0', '', '', '0'), 
+         ('4', '3', '4', '1', '1825', '3', '4', '14', '1', '0', '0', '0', 'BUG4', '', '3', '3', 'codeerror', 'windows', '', '', '', '【步骤】进入成果展示<br/>【结果】乱码<br/>【期望】正常显示<br/>', 'active', '', '#797ec9', '1', '0', 'admin', 'admin', '2023-04-11 09:54:53', '4', 'admin', '2023-04-11', '2023-04-11', '', '', '', '2023-05-12', '', '', '0', '', '0', '0', '0', '0', '', '', '', '', '', '0', '', '', '0'), 
+         ('5', '4', '5', '0', '1826', '4', '4', '18', '1', '0', '0', '0', 'BUG5', '', '3', '3', 'codeerror', 'android', '', '', '', '<p>【步骤】</p><br/><p>【结果】</p><br/><p>【期望】</p><br/>', 'active', '', '#ffaf38', '0', '0', 'admin', 'admin', '2023-04-12 09:54:53', '5', 'admin', '2023-04-12', '2023-04-12', '', '', '', '2023-05-11', '', '', '0', '', '0', '0', '0', '0', '', '', '', '', '', '0', '', '', '0'); 
diff --git a/module/bug/test/tao/updatelinkbug.php b/module/bug/test/tao/updatelinkbug.php
index 9832954679..169e911bfd 100755
--- a/module/bug/test/tao/updatelinkbug.php
+++ b/module/bug/test/tao/updatelinkbug.php
@@ -28,16 +28,28 @@ title=bugModel->updateLinkBug();
 timeout=0
 cid=1
 
+- 测试关联bug2的关联bug同步更新为1属性2 @1
+
+- 测试关联bug2的关联bug同步更新为空，bug3的关联bug为1
+ - 属性2 @~~
+ - 属性3 @1
+
+- 测试关联bug2的关联bug同步更新为1， bug3的关联bug为1
+ - 属性2 @1
+ - 属性3 @1
+
+- 测试关联bug3的关联bug同步更新为1,2属性3 @1,2
+
 
 
 */
 
 initData();
 
-$bugIDList = array('1', '2', '3');
+$bugIDList = array(1, 2, 3);
 
 $bug = new bugTest();
-r($bug->updateLinkBugTest($bugIDList[0], '2', ''))    && p('2') && r('1');      //测试关联bug2的关联bug同步更新为1 2:1
-r($bug->updateLinkBugTest($bugIDList[0], '3', '2'))   && p('2;3') && r("'';1"); //测试关联bug2的关联bug同步更新为空，bug3的关联bug为2
-r($bug->updateLinkBugTest($bugIDList[0], '2,3', '3')) && p('2;3') && r('1;1');  //测试关联bug2的关联bug同步更新为1，bug3的关联bug为1
-r($bug->updateLinkBugTest($bugIDList[1], '1,3', '1')) && p('3') && r('1,2');    //测试关联bug3的关联bug同步更新为1,2
\ No newline at end of file
+r($bug->updateLinkBugTest($bugIDList[0], '2', ''))    && p('2', ';')   && e('1');    //测试关联bug2的关联bug同步更新为1
+r($bug->updateLinkBugTest($bugIDList[0], '3', '2'))   && p('2;3', ';') && e('~~;1'); //测试关联bug2的关联bug同步更新为空，bug3的关联bug为1
+r($bug->updateLinkBugTest($bugIDList[0], '2,3', '3')) && p('2;3', ';') && e('1;1');  //测试关联bug2的关联bug同步更新为1， bug3的关联bug为1
+r($bug->updateLinkBugTest($bugIDList[1], '1,3', '1')) && p('3', ';')   && e('1,2');  //测试关联bug3的关联bug同步更新为1,2
\ No newline at end of file