add result judge

app/Services/BilibiliServiceV2.php

@@ -282,7 +282,11 @@ class BilibiliServiceV2
                                     $vItem->save();
                                 }
                             } else {
-                                $this->partDownloadBSitePlaylist($videoPartsMap, $this->remoteDir . "bilibili/", $item["up_name"]);
+                                $result = $this->partDownloadBSitePlaylist($videoPartsMap, $this->remoteDir . "bilibili/", $item["up_name"]);
+                                if ($result) {
+                                    $vItem["is_downloaded"] = 1;
+                                    $vItem->save();
+                                }
                             }
 
                         }
@@ -340,7 +344,11 @@ class BilibiliServiceV2
                                 $vItem->save();
                             }
                         } else {
-                            $this->partDownloadBSitePlaylist($videoPartsMap, $this->remoteDir . "bilibili", $item["title"]);
+                            $result = $this->partDownloadBSitePlaylist($videoPartsMap, $this->remoteDir . "bilibili", $item["title"]);
+                            if ($result) {
+                                $vItem["is_downloaded"] = 1;
+                                $vItem->save();
+                            }
                         }
 
                     }