diff --git a/htdocs/lib/Database/DBRecommand.php b/htdocs/lib/Database/DBRecommand.php
index 3efbaf1..c2b8003 100644
--- a/htdocs/lib/Database/DBRecommand.php
+++ b/htdocs/lib/Database/DBRecommand.php
@@ -9,13 +9,35 @@ require_once UELEARNING_LIB_ROOT.'/Database/Exception.php';
 
 class DBRecomamnd extends Database
 {
-	public function __construct()
-	{
-		
-	}
-	
+
+    /**
+     * 內部查詢用
+     * @param string $where SQL WHERE子句
+     * @return array 查詢結果
+     */
 	protected function queryBelongByWhere($where)
 	{
-		
+		$sqlString = "SELECT DISTINCT ".$this->table('Edge').".Ti, ".$this->table('Edge').".Tj, ".$this->table('Edge').".MoveTime".
+                     " FROM ".$this->table('Edge')." WHERE ".$where;
+        $this->conndb->prepare($sqlString);
+        $this->conndb->execute();
+
+        $queryAllResult = $this->conndb->fetchAll();
+
+        if(count($queryAllResult) != 0)
+        {
+            $result  = array();
+            foreach ($queryAllResult as $key => $thisResult)
+            {
+                array_push($result,
+                    array("Ti" => $thisResult['Ti'],
+                          "Tj" => $thisResult['Tj'],
+                          "MoveTime" => $thisResult['MoveTime']));
+            }
+
+            return $result;
+        }
+        else return null;
 	}
-}
\ No newline at end of file
+
+}
diff --git a/htdocs/lib/Recommand/RecommandPoint.php b/htdocs/lib/Recommand/RecommandPoint.php
index b896bb6..0e297c7 100644
--- a/htdocs/lib/Recommand/RecommandPoint.php
+++ b/htdocs/lib/Recommand/RecommandPoint.php
@@ -28,6 +28,8 @@ class RecommandPoint
 	 * @type double
 	 */
 	private const $ALPHA = 0.5;
+    
+    private 
 	
 	
 	public function __construct()
@@ -41,14 +43,14 @@ class RecommandPoint
 	 */
 	private function computeNormalizationParameter()
 	{
-		
+        $
 	}
 	
 	/**
 	 * 推薦學習點
 	 * @return array 學習點清單
 	 */
-	public function recommand()
+	public function recommand($   )
 	{
 		
 	}