docs: 更新註解

lib/HistoricalRecord.dart

@@ -192,7 +192,7 @@ class _FallDetailPageState extends State<FallDetailPage> {
       );
     _betterPlayerController = BetterPlayerController(betterPlayerConfiguration);
 
-    _fetchData(); // 連資料庫
+    _fetchData(); // 連資料庫、取得影片連結
   }
 
   void dispose() {
@@ -211,7 +211,7 @@ class _FallDetailPageState extends State<FallDetailPage> {
     await conn.connect();
 
     try {
-      var userNameResult = await conn.execute(// 使用傳遞過來的 email來找homeusername
+      var userNameResult = await conn.execute(// 使用傳遞過來的 hfId來找hfvideoId
         'SELECT hfvideoId FROM HomeFallVideo WHERE hfallId = :fallId',
         {'fallId': widget.fallDetail['跌倒編號']},
       );