fix: videoDetail cover null

lib/pages/video/detail/controller.dart

@@ -115,20 +115,15 @@ class VideoDetailController extends GetxController
     super.onInit();
     final Map argMap = Get.arguments;
     userInfo = userInfoCache.get('userInfoCache');
-    var keys = argMap.keys.toList();
-    if (keys.isNotEmpty) {
-      if (keys.contains('videoItem')) {
-        var args = argMap['videoItem'];
-        if (args.pic != null && args.pic != '') {
-          videoItem['pic'] = args.pic;
-          cover.value = args.pic;
-        }
-      }
-      if (keys.contains('pic')) {
-        videoItem['pic'] = argMap['pic'];
-        cover.value = argMap['pic'];
-      }
+    if (argMap.containsKey('videoItem')) {
+      var args = argMap['videoItem'];
+      updateCover(args.pic);
     }
+
+    if (argMap.containsKey('pic')) {
+      updateCover(argMap['pic']);
+    }
+
     tabCtr = TabController(length: 2, vsync: this);
     autoPlay.value =
         setting.get(SettingBoxKey.autoPlayEnable, defaultValue: true);
@@ -551,4 +546,10 @@ class VideoDetailController extends GetxController
       },
     );
   }
+
+  void updateCover(String? pic) {
+    if (pic != null && pic != '') {
+      cover.value = videoItem['pic'] = pic;
+    }
+  }
 }

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

@@ -90,6 +90,7 @@ class VideoIntroController extends GetxController {
       final VideoDetailController videoDetailCtr =
           Get.find<VideoDetailController>(tag: heroTag);
       videoDetailCtr.tabs.value = ['简介', '评论 ${result['data']?.stat?.reply}'];
+      videoDetailCtr.cover.value = result['data'].pic ?? '';
       // 获取到粉丝数再返回
       await queryUserStat();
     }

lib/utils/app_scheme.dart

@@ -117,7 +117,7 @@ class PiliSchame {
         // ignore: always_specify_types
         (e) => Get.toNamed<dynamic>('/video?bvid=$bvid&cid=$cid',
             arguments: <String, String?>{
-              'pic': null,
+              'pic': '',
               'heroTag': heroTag,
             }),
       );