diff --git a/htdocs/api/v2/index.php b/htdocs/api/v2/index.php
index 03d37eb..91aa173 100644
--- a/htdocs/api/v2/index.php
+++ b/htdocs/api/v2/index.php
@@ -10,9 +10,11 @@ require_once UELEARNING_LIB_ROOT.'/Study/StudyActivityManager.php';
 require_once UELEARNING_LIB_ROOT.'/Study/StudyManager.php';
 require_once UELEARNING_LIB_ROOT.'/Target/Target.php';
 require_once UELEARNING_LIB_ROOT.'/Target/TargetManager.php';
+require_once UELEARNING_LIB_ROOT.'/Recommand/RecommandPoint.php';
 use UElearning\User;
 use UElearning\Study;
 use UElearning\Target;
+use UElearning\Recommand;
 use UElearning\Exception;
 
 $app = new \Slim\Slim(array(
@@ -1173,21 +1175,31 @@ $app->group('/tokens', 'APIrequest', function () use ($app, $app_template) {
 
                     $currentTId = (int)$currentTId;
 
-                    // TODO: 動作撰寫區
-
-                    // 取得此活動的主題
-                    $tid = $sact->getThemeId();
+                    $tid = $sact->getThemeId(); // 取得此活動的主題
+                    $maxItemTotal = $sact->getLearnStyle(); // 取得最大推薦數
 
                     // 取得本次採用的教材風格
                     $materialMode = $sact->getMaterialStyle();
 
-                    // 取得主題內所有的標的資訊
-                    $target_manager = new Target\TargetManager();
-                    $output_targets = array( output_the_target_array(3, true, $materialMode),
-                                             output_the_target_array(7, true, $materialMode),
-                                             output_the_target_array(12, true, $materialMode),
-                                        );
-                    $recommand_total = count($output_targets);
+                    // 取得推薦的學習點
+                    $recommand = new Recommand\RecommandPoint();
+                    $recommandResult = $recommand->recommand($currentTId, $saId);
+                    $recommandTotal = count($recommandResult);
+                    if($recommandTotal > $maxItemTotal) {
+                        $result_recommand_total = $maxItemTotal;
+                    }
+                    else {
+                        $result_recommand_total = $recommandTotal;
+                    }
+
+
+                    // 製作
+                    $output_targets = array();
+                    for($i=0; $i<$result_recommand_total; $i++) {
+                        $target_id = $recommandResult[$i]['nextPoint'];
+                        $isEntity = $recommandResult[$i]['isEntity'];
+                        array_push($output_targets, output_the_target_array($target_id, $isEntity, $materialMode));
+                    }
 
                     // 噴出結果
                     $app->render(200,array(
@@ -1195,7 +1207,7 @@ $app->group('/tokens', 'APIrequest', function () use ($app, $app_template) {
                         'user_id'           => $user_id,
                         'activity_id'       => $sact->getId(),
                         'current_target_id' => $currentTId,
-                        'recommand_total'   => $recommand_total,
+                        'recommand_total'   => $result_recommand_total,
                         'recommand_target'  => $output_targets,
                         'error'             => false
                     ));
diff --git a/htdocs/lib/Database/DBTarget.php b/htdocs/lib/Database/DBTarget.php
index 0dba41a..405f32b 100644
--- a/htdocs/lib/Database/DBTarget.php
+++ b/htdocs/lib/Database/DBTarget.php
@@ -51,17 +51,17 @@ class DBTarget extends Database {
             foreach($queryResultAll as $key => $thisResult) {
 
                 array_push($result,
-                    array( 'target_id'     => $thisResult['TID'],
-                           'area_id'       => $thisResult['AID'],
-                           'hall_id'       => $thisResult['HID'],
-                           'target_number' => $thisResult['TNum'],
+                    array( 'target_id'     => (int)$thisResult['TID'],
+                           'area_id'       => (int)$thisResult['AID'],
+                           'hall_id'       => (int)$thisResult['HID'],
+                           'target_number' => (int)$thisResult['TNum'],
                            'name'          => $thisResult['TName'],
                            'map_url'       => $thisResult['TMapID'],
-                           'learn_time'    => $thisResult['TLearnTime'],
-                           'PLj'           => $thisResult['PLj'],
-                           'Mj'            => $thisResult['Mj'],
-                           'S'             => $thisResult['S'],
-                           'Fj'            => $thisResult['Fj']
+                           'learn_time'    => (int)$thisResult['TLearnTime'],
+                           'PLj'           => (int)$thisResult['PLj'],
+                           'Mj'            => (int)$thisResult['Mj'],
+                           'S'             => (int)$thisResult['S'],
+                           'Fj'            => (int)$thisResult['Fj']
                 ));
             }
             return $result;
diff --git a/htdocs/lib/Recommand/RecommandPoint.php b/htdocs/lib/Recommand/RecommandPoint.php
index c4b03cb..fd9eef1 100644
--- a/htdocs/lib/Recommand/RecommandPoint.php
+++ b/htdocs/lib/Recommand/RecommandPoint.php
@@ -154,7 +154,7 @@ class RecommandPoint
             {
                 if($nextPoint->isNumberOfPeopleZero()) $Rj = 0;
                 else $Rj = $nextPoint->getMj()/$nextPoint->getPLj();
-                $pathCost = RecommandPoint::ALPHA * $this->gamma * ($weight * ($nextPoint->getS()-$Rj+1)/$moveTime + $nextPoint->getLearnTime());
+                $pathCost = RecommandPoint::ALPHA * $this->gamma * ($weight * ($nextPoint->getS()-$Rj+1)/($moveTime + $nextPoint->getLearnTime()));
                 $virtualCost = RecommandPoint::ALPHA * $this->gamma * ($weight/$nextPoint->getLearnTime());
             }
             array_push($recommand,array("nextPoint"=>$next_point,
diff --git a/htdocs/lib/Target/Target.php b/htdocs/lib/Target/Target.php
index f9ceb9c..7c72a88 100644
--- a/htdocs/lib/Target/Target.php
+++ b/htdocs/lib/Target/Target.php
@@ -105,7 +105,7 @@ class Target {
      * @since 2.0.0
      */
     public function __construct($inputTID){
-        $this->tId = $inputTID;
+        $this->tId = (int)$inputTID;
         $this->getQuery();
     }