注册完，还没用的账号还在有效期内，但一直报错 
Grok Responses API returned 402: {“code”:“personal-team-blocked:spending-limit”,“error”:“You have run out of credits or need a Grok subscription. Add credits at https://grok.com/?_s=usage or upgrade at https://grok.com/supergrok.”} 
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[image_picker_B4899639-D401-4F30-95C1-E1ED50FAC025-63837-00001...