fix

app/Services/DeepSeek/DeepSeekService.php

@@ -271,7 +271,7 @@ class DeepSeekService
             $id = DB::table('mp_audio_tasks')->insertGetId([
                 'audio_id'      => getProp($chapter_audio, 'id'),
                 'generate_status'   => '执行中',
-                'generate_json' => $generate_json,
+                'generate_json' => json_encode($generate_json, 256),
                 'bid'           => $bid,
                 'book_name'     => getProp($chapter_audio, 'book_name'),
                 'version_id'    => $version_id,