│ Error in step '🗣️ Generating audio': │
│ Failed to generate audio after 3 attempts: 'function' object is not subscriptable

TTS selection [sf_fish_tts, openai_tts, gpt_sovits, azure_tts, fish_tts, edge_tts, custom_tts]

tts_method: 'sf_fish_tts'

SiliconFlow FishTTS

sf_fish_tts:

SiliconFlow API key

api_key: 'sk-xxxxx'

only for mode "preset"

voice: 'anna'

*only for mode "custom", dont set manually

custom_name: ''
voice_id: ''

preset, custom, dynamic

mode: "custom"

配置了 sf_fish_tts 。报错日志是上面的，配置是下面的，麻烦看下什么原因