docs: update README_EN with sponsor coffee section

README_EN.md

@@ -11,7 +11,7 @@
 [![Speed](https://img.shields.io/badge/Latency-25ms%20O(1)-brightgreen.svg)]()
 [![Agent SOTA](https://img.shields.io/badge/Agent%20SOTA-94.92%25-success.svg)]()
 [![Quantization](https://img.shields.io/badge/INT8%2FFP8-2.23GB-purple.svg)]()
-[![HuggingFace](https://img.shields.io/badge/%F0%9F%A4%97%20HuggingFace-Models%20Hub-yellow)](https://huggingface.co/models?search=Cerebellum-2B)
+[![HuggingFace](https://img.shields.io/badge/%F0%9F%A4%97%20HuggingFace-Models%20Hub-yellow)](https://huggingface.co/mkzero/Cerebellum-2B-BF16)
 
 </div>
 
@@ -21,9 +21,9 @@
 
 | Model Checkpoint | Size | Recommended Environment | Best For | Hugging Face Link |
 | :--- | :---: | :--- | :--- | :---: |
-| **Cerebellum-2B-BF16** | 3.76 GB | Cloud GPU Training & Evaluation | 100% full-precision reference | [🤗 Model Hub](https://huggingface.co/models?search=Cerebellum-2B-BF16) |
-| **Cerebellum-2B-FP8** | **2.39 GB** | **Cloud GPU Production (vLLM/FastAPI)** | **Native FP8 SOTA**, 0.97% drift, high QPS | [⚡ Model Hub](https://huggingface.co/models?search=Cerebellum-2B-FP8) |
-| **Cerebellum-2B-INT8** | **2.23 GB** | **16GB M4 MacBook / Edge CPU** | **Symmetric per-channel**, 0.39% drift, ~40ms offline | [💻 Model Hub](https://huggingface.co/models?search=Cerebellum-2B-INT8) |
+| **Cerebellum-2B-BF16** | 3.76 GB | Cloud GPU Training & Evaluation | 100% full-precision reference | [🤗 mkzero/Cerebellum-2B-BF16](https://huggingface.co/mkzero/Cerebellum-2B-BF16) |
+| **Cerebellum-2B-FP8** | **2.39 GB** | **Cloud GPU Production (vLLM/FastAPI)** | **Native FP8 SOTA**, 0.97% drift, high QPS | [⚡ mkzero/Cerebellum-2B-FP8](https://huggingface.co/mkzero/Cerebellum-2B-FP8) |
+| **Cerebellum-2B-INT8** | **2.23 GB** | **16GB M4 MacBook / Edge CPU** | **Symmetric per-channel**, 0.39% drift, ~40ms offline | [💻 mkzero/Cerebellum-2B-INT8](https://huggingface.co/mkzero/Cerebellum-2B-INT8) |
 
 > **"Large Models for the Cerebrum, Small Models for the Cerebellum."**  
 > Large language models (DeepSeek-R1, GPT-4o, Claude 3.5) act as the deliberative **Cerebrum (System 2)** for multi-step reasoning, planning, and long-horizon reflection.  
@@ -233,6 +233,17 @@ python serve.py
 
 ---
 
+## ☕ Buy Me a Coffee / Sponsor
+
+If **Cerebellum-2B** helped your research, business deployment, or Agent architectural design, feel free to support the project and buy the author a coffee! ☕
+
+<div align="center">
+  <img src="./assets/alipay_coffee.jpg" width="240px" alt="Alipay Sponsor QR" />
+  <p><i>Support via Alipay</i></p>
+</div>
+
+---
+
 ## 📜 Citation & License
 
 This project is licensed under the Apache 2.0 License.
@@ -243,6 +254,7 @@ This project is licensed under the Apache 2.0 License.
   author={Antigravity Team and Community Contributors},
   year={2026},
   publisher={GitHub},
-  howpublished={\url{https://github.com/Open-SystemOne/Cerebellum-2B}}
+  howpublished={\url{https://github.com/mkeco/Cerebellum-2B}}
 }
 ```
+