fix result judge

app/Services/BilibiliServiceV2.php

@@ -914,11 +914,13 @@ done && echo "ok"');
                 }
                 Log::info($downloadResult);
                 Log::info("$aid current download result: " . $downloadResult);
+                $lastLine = explode("\n", $downloadResult)[count(explode("\n", $downloadResult)) - 2];
+                Log::info("lastLine is $lastLine");
                 try {
                     usleep(random_int(1000, 10000) * 1000);
                 } catch (Exception $e) {
                 }
-                if (trim($downloadResult) == 'ok') {
+                if (trim($lastLine) == 'ok') {
                     return true;
                 } else {
                     return false;