fix #424

lib/pages/video/detail/introduction/controller.dart

@@ -630,12 +630,14 @@ class VideoIntroController extends GetxController
       ..cid.value = cid
       ..danmakuCid.value = cid
       ..queryVideoUrl();
+
+    if (this.bvid != bvid) {
       if (cover is String && cover.isNotEmpty) {
         videoDetailCtr.videoItem['pic'] = cover;
       }
 
       // 重新请求相关视频
-    if (videoDetailCtr.showRelatedVideo && isStein != true) {
+      if (videoDetailCtr.showRelatedVideo) {
         try {
           Get.find<RelatedController>(tag: heroTag)
             ..bvid = bvid
@@ -644,7 +646,7 @@ class VideoIntroController extends GetxController
       }
 
       // 重新请求评论
-    if (videoDetailCtr.showReply && isStein != true) {
+      if (videoDetailCtr.showReply) {
         try {
           Get.find<VideoReplyController>(tag: heroTag)
             ..aid = aid
@@ -654,8 +656,10 @@ class VideoIntroController extends GetxController
 
       hasLater.value = false;
       this.bvid = bvid;
-    lastPlayCid.value = cid;
       queryVideoIntro();
+    }
+
+    lastPlayCid.value = cid;
     queryOnlineTotal();
   }