Help dify token shows zero

[Genji69gg]

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1. Is this request related to a challenge you're experiencing? Tell me about your story.

dify ver 12.0, llm Grok1212
My work requires me to record the number of tokens in the dify token log for tracking and monitoring. However, starting this morning, all LLM inputs and outputs show 0, but the LLM background does increase token consumption. What should I do if the log shows an error?

2. Additional context or comments