diff --git a/module/job/control.php b/module/job/control.php
index d3ed975c64..53343533dc 100644
--- a/module/job/control.php
+++ b/module/job/control.php
@@ -121,7 +121,7 @@ class job extends control
         $this->view->products    = array(0 => '') + $this->loadModel('product')->getProductPairsByProject($this->projectID);
 
         $this->view->jenkinsServerList   = array('' => '') + $this->loadModel('jenkins')->getPairs();
-        $this->view->sonarqubeServerList = array('' => '') + $this->loadModel('sonarqube')->getPairs();
+        $this->view->sonarqubeServerList = array('') + $this->loadModel('sonarqube')->getPairs();
 
         $this->display();
     }
@@ -198,9 +198,9 @@ class job extends control
         $this->view->repoTypes           = $repoTypes;
         $this->view->repoType            = zget($repoTypes, $job->repo, 'Git');
         $this->view->job                 = $job;
-        $this->view->products            = array(0 => '') + $products;
+        $this->view->products            = array('') + $products;
         $this->view->jenkinsServerList   = $this->loadModel('jenkins')->getPairs();
-        $this->view->sonarqubeServerList = array('' => '') + $this->loadModel('sonarqube')->getPairs();
+        $this->view->sonarqubeServerList = array('') + $this->loadModel('sonarqube')->getPairs();
         $this->view->pipelines           = $this->jenkins->getTasks($job->server);
 
         $this->display();
diff --git a/module/job/lang/en.php b/module/job/lang/en.php
index 5aa7bb3833..bb21e8847e 100644
--- a/module/job/lang/en.php
+++ b/module/job/lang/en.php
@@ -57,6 +57,7 @@ $lang->job->sendExec       = 'Send execute request success.';
 $lang->job->inputName      = 'Please enter parameter name.';
 $lang->job->invalidName    = 'The parameter name should be letters, numbers or underlines.';
 $lang->job->repoExists     = 'This repository has a build task associated with it『%s』';
+$lang->job->projectExists  = 'This SonarQube Project has a build task associated with it『%s』';
 $lang->job->mustUseJenkins = 'SonarQube frame is only used if the build engine is JenKins.';
 
 $lang->job->buildTypeList['build']          = 'Only Build';
diff --git a/module/job/lang/zh-cn.php b/module/job/lang/zh-cn.php
index 1994eab804..a109e455bb 100644
--- a/module/job/lang/zh-cn.php
+++ b/module/job/lang/zh-cn.php
@@ -57,6 +57,7 @@ $lang->job->sendExec       = '发送执行请求成功！执行结果：%s';
 $lang->job->inputName      = '请输入参数名称。';
 $lang->job->invalidName    = '参数名称应该是英文字母、数字或下划线的组合。';
 $lang->job->repoExists     = '此版本库已关联构建任务『%s』';
+$lang->job->projectExists  = '此SonarQube项目已关联构建任务『%s』';
 $lang->job->mustUseJenkins = 'SonarQube工具/框架仅在构建引擎为JenKins的情况下使用';
 
 $lang->job->buildTypeList['build']          = '仅构建';
diff --git a/module/job/model.php b/module/job/model.php
index bf4b7e9b24..7a72790577 100644
--- a/module/job/model.php
+++ b/module/job/model.php
@@ -194,12 +194,23 @@ class jobModel extends model
             $sonarqubeJob = $this->getSonarqubeByRepo(array($job->repo));
             if(!empty($sonarqubeJob))
             {
-                $message = sprintf($this->lang->job->repoExists, $repo[$repoID]->id . '-' . $repo[$repoID]->name);
+                $message = sprintf($this->lang->job->repoExists, $sonarqubeJob[$job->repo]->id . '-' . $sonarqubeJob[$job->repo]->name);
                 dao::$errors[]['repo'] = $message;
                 return false;
             }
         }
 
+        if(!empty($job->projectKey) and $job->frame == 'sonarqube')
+        {
+            $projectList = $this->getJobBySonarqubeProject($job->sonarqubeServer, array($job->projectKey));
+            if(!empty($projectList))
+            {
+                $message = sprintf($this->lang->job->projectExists, $projectList[$job->projectKey]->id);
+                dao::$errors[]['projectKey'] = $message;
+                return false;
+            }
+        }
+
         if($job->triggerType == 'schedule') $job->atDay = empty($_POST['atDay']) ? '' : join(',', $this->post->atDay);
 
         $job->svnDir = '';
@@ -300,12 +311,23 @@ class jobModel extends model
             $sonarqubeJob = $this->getSonarqubeByRepo(array($job->repo), $id);
             if(!empty($sonarqubeJob))
             {
-                $message = sprintf($this->lang->job->repoExists, $repo[$repoID]->id . '-' . $repo[$repoID]->name);
+                $message = sprintf($this->lang->job->repoExists, $sonarqubeJob[$job->repo]->id . '-' . $sonarqubeJob[$job->repo]->name);
                 dao::$errors[]['repo'] = $message;
                 return false;
             }
         }
 
+        if(!empty($job->projectKey) and $job->frame == 'sonarqube')
+        {
+            $projectList = $this->getJobBySonarqubeProject($job->sonarqubeServer, array($job->projectKey));
+            if(!empty($projectList) && $projectList[$job->projectKey]->id != $id)
+            {
+                $message = sprintf($this->lang->job->projectExists, $projectList[$job->projectKey]->id);
+                dao::$errors[]['projectKey'] = $message;
+                return false;
+            }
+        }
+
         if($job->triggerType == 'schedule') $job->atDay = empty($_POST['atDay']) ? '' : join(',', $this->post->atDay);
 
         $job->svnDir = '';
@@ -599,16 +621,17 @@ class jobModel extends model
      *
      * @param  int    $sonarqubeID
      * @param  array  $projectKeys
+     * @param  bool   $emptyShowAll
      * @access public
      * @return array
      */
-    public function getJobBySonarqubeProject($sonarqubeID, $projectKeys = array())
+    public function getJobBySonarqubeProject($sonarqubeID, $projectKeys = array(), $emptyShowAll = false)
     {
         return $this->dao->select('projectKey,id')->from(TABLE_JOB)
             ->where('deleted')->eq(0)
             ->andWhere('frame')->eq('sonarqube')
             ->andWhere('sonarqubeServer')->eq($sonarqubeID)
-            ->andWhere('projectKey')->in($projectKeys)
+            ->beginIF(!empty($projectKeys) or !$emptyShowAll)->andWhere('projectKey')->in($projectKeys)->fi()
             ->fetchPairs();
     }
 }
diff --git a/module/sonarqube/control.php b/module/sonarqube/control.php
index 84b57e577b..c0e3d22fac 100644
--- a/module/sonarqube/control.php
+++ b/module/sonarqube/control.php
@@ -60,10 +60,16 @@ class sonarqube extends control
      */
     public function ajaxGetProjectList($sonarqubeID, $projectKey = '')
     {
-        $projectList = $this->loadModel('sonarqube')->apiGetProjects($sonarqubeID);
+        $jobPairs      = $this->loadModel('job')->getJobBySonarqubeProject($sonarqubeID, array(), true);
+        $existsProject = array_diff(array_keys($jobPairs), array($projectKey));
+
+        $projectList = $this->sonarqube->apiGetProjects($sonarqubeID);
 
         $projectPairs = array('' => '');
-        foreach($projectList as $project) $projectPairs[$project->key] = $project->name;
+        foreach($projectList as $project)
+        {
+            if(!empty($project) and !in_array($project->key, $existsProject)) $projectPairs[$project->key] = $project->name;
+        }
 
         echo html::select('projectKey', $projectPairs, str_replace('*', '-', $projectKey), "class='form-control chosen'");
     }