更新README：旨在最小设备上运行的闲聊心理治疗模型

README.en.md

@@ -1,36 +1,29 @@
 # xiaoli-llm-chat
 
 #### Description
-小狸AI - 自研中文对话大模型
+XiaoliAI - A casual chat & psychological therapy model designed to run on the smallest devices.
 
-#### Software Architecture
-Software architecture description
+A from-scratch domain-specific Transformer. No pre-trained base model, no fine-tuning, no alignment — train it and talk to it directly.
 
-#### Installation
+#### Features
+- **Ultra-lightweight**: 13M params, ~20MB footprint
+- **From Scratch**: Not based on LLaMA/GPT or any backbone
+- **Ready to Use**: No SFT / RLHF needed
+- **Safe by Design**: Data-embedded alignment, no harmful outputs
+- **Emotional Companion**: Built for conversation, not general tasks
 
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+#### Tech Stack
+- Architecture: Causal Decoder-Only Transformer (RoPE + RMSNorm + SwiGLU)
+- Tokenizer: Character-level (3236 vocab)
+- Training: Custom QA data + Astron API distillation
 
-#### Instructions
+#### Use Cases
+- Child emotional companionship
+- Lightweight psychological support
+- IoT / Embedded offline chat
+- Privacy-focused local conversation
 
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-
-#### Contribution
-
-1.  Fork the repository
-2.  Create Feat_xxx branch
-3.  Commit your code
-4.  Create Pull Request
-
-
-#### Gitee Feature
-
-1.  You can use Readme\_XXX.md to support different languages, such as Readme\_en.md, Readme\_zh.md
-2.  Gitee blog [blog.gitee.com](https://blog.gitee.com)
-3.  Explore open source project [https://gitee.com/explore](https://gitee.com/explore)
-4.  The most valuable open source project [GVP](https://gitee.com/gvp)
-5.  The manual of Gitee [https://gitee.com/help](https://gitee.com/help)
-6.  The most popular members  [https://gitee.com/gitee-stars/](https://gitee.com/gitee-stars/)
+#### Performance
+- Memory: ~20MB
+- Inference: Real-time on CPU (no GPU needed)
+- Runs on: Raspberry Pi, phones, smartwatches, low-end PCs