diff --git a/api/v1/entries/productissue.php b/api/v1/entries/productissue.php
index 1546897052..eecc5704c4 100644
--- a/api/v1/entries/productissue.php
+++ b/api/v1/entries/productissue.php
@@ -33,9 +33,8 @@ class productIssueEntry extends entry
             $issue->title          = $story->title;
             $issue->labels         = array($this->app->lang->story->common, zget($this->app->lang->story->categoryList, $story->category));
             $issue->pri            = $story->pri;
-            $issue->assignedTo     = $this->entry->getAssignees('story', $story);
             $issue->openedDate     = $story->openedDate;
-            $issue->openedBy       = $this->entry->getUser($story->openedBy);
+            $issue->openedBy       = $story->openedBy;
             $issue->lastEditedDate = $story->lastEditedDate < '1970-01-01 01:01:01' ? $story->openedDate : $story->lastEditedDate;
             $issue->lastEditedBy   = $story->lastEditedDate < '1970-01-01 01:01:01' ? $story->openedBy   : $story->lastEditedBy;
             $issue->status         = $storyStatus[$story->status];
@@ -43,6 +42,16 @@ class productIssueEntry extends entry
 
             $storySpec   = $this->dao->select('*')->from(TABLE_STORYSPEC)->where('story')->eq($id)->andWhere('version')->eq($story->version)->fetch();
             $issue->desc = $storySpec->spec;
+
+            if($story->assignedTo == "")
+            {
+                $issue->assignedTo = array();
+            }
+            else
+            {
+                $issue->assignedTo = array($story->assignedTo);
+            }
+
             break;
         case 'bug':
             $this->app->loadLang('bug');
@@ -55,15 +64,25 @@ class productIssueEntry extends entry
             $issue->title          = $bug->title;
             $issue->labels         = array($this->app->lang->bug->common, zget($this->app->lang->bug->typeList, $bug->type));
             $issue->pri            = $bug->pri;
-            $issue->assignedTo     = $this->entry->getAssignees('bug', $bug);
             $issue->openedDate     = $bug->openedDate;
-            $issue->openedBy       = $this->entry->getUser($bug->openedBy);
+            $issue->openedBy       = $bug->openedBy;
             $issue->lastEditedDate = $bug->lastEditedDate < '1970-01-01 01:01:01' ? $bug->openedDate : $bug->lastEditedDate;
             $issue->lastEditedBy   = $bug->lastEditedDate < '1970-01-01 01:01:01' ? $bug->openedBy   : $bug->lastEditedBy;
             $issue->status         = $bugStatus[$bug->status];
             $issue->url            = helper::createLink('bug', 'view', "bugID=$id");
             $issue->desc           = $bug->steps;
+
+            if($bug->assignedTo == "")
+            {
+                $issue->assignedTo = array();
+            }
+            else
+            {
+                $issue->assignedTo = array($bug->assignedTo);
+            }
+
             break;
+
         case 'task':
             $this->app->loadLang('task');
             $taskStatus = array('' => '', 'wait' => 'opened', 'doing' => 'opened', 'done' => 'opened', 'pause' => 'opened', 'cancel' => 'opened', 'closed' => 'closed');
@@ -75,22 +94,69 @@ class productIssueEntry extends entry
             $issue->title          = $task->name;
             $issue->labels         = array($this->app->lang->task->common, zget($this->app->lang->task->typeList, $task->type));
             $issue->pri            = $task->pri;
-            $issue->assignedTo     = $this->entry->getAssignees('task', $task);
             $issue->openedDate     = $task->openedDate;
-            $issue->openedBy       = $this->entry->getUser($task->openedBy);
+            $issue->openedBy       = $task->openedBy;
             $issue->lastEditedDate = $task->lastEditedDate < '1970-01-01 01:01:01' ? $task->openedDate : $task->lastEditedDate;
             $issue->lastEditedBy   = $task->lastEditedDate < '1970-01-01 01:01:01' ? $task->openedBy   : $task->lastEditedBy;
             $issue->status         = $taskStatus[$task->status];
             $issue->url            = helper::createLink('task', 'view', "taskID=$id");
             $issue->desc           = $task->desc;
 
+            /* Get assignees for task, the task object has the type of multiple assign only so far. */
+            $users = $this->dao->select('account')->from(TABLE_TEAM)
+                ->where('type')->eq('task')
+                ->andWhere('root')->eq($task->id)
+                ->fetchAll();
+            if($users)
+            {
+                foreach($users as $user)
+                {
+                    $issue->assignedTo[] = $user->account;
+                }
+            }
+            else
+            {
+                if($task->assignedTo == "")
+                {
+                    $issue->assignedTo = array();
+                }
+                else
+                {
+                    $issue->assignedTo = array($task->assignedTo);
+                }
+            }
+
             break;
+
         default:
             $this->send404();
         }
 
         $actions = $this->loadModel('action')->getList($type, $issueID);
 
+        /**
+         * Get all users in issues so that we can bulk get user detail later.
+         *
+         */
+        $userList = array();
+        foreach($issue->assignedTo as $user)
+        {
+            $userList[] = $user;
+        }
+        $userList[] = $issue->openedBy;
+        $userList    = array_unique($userList);
+        $userDetails = $this->loadModel('user')->getUserDetailsForAPI($userList);
+
+        /**
+         * Set the user detail to assignedTo and openedBy.
+         *
+         */
+        foreach($issue->assignedTo as $index => $user)
+        {
+            $issue->assignedTo[$index] = $userDetails[$user];
+        }
+        $issue->openedBy = $userDetails[$issue->openedBy];
+
         $this->send(200, array('issue' => $this->format($issue, 'openedDate:time,lastEditedDate:time')));
     }
 }