Unverified50% confidenceSolutionExact time
该系统在提示词中明确要求模型只能使用提供的上下文作答，答案不在上下文中时直接回答不知道，而非凭训练记忆编造
1
Sources
50%
Confidence
Long-term
Relevance
7/25/2026
First Seen
Sources
本地离线RAG应用实战：用Ollama+ChromaDB构建PDF私密问答系统
redditr/ollama7/12/2026
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