feat: fix README formatting and Chinese characters

README.md

@@ -1,5 +1,5 @@
 ---
-license: mit
+license: cc-by-nc-sa-4.0
 task_categories:
 - tabular-classification
 tags:
@@ -17,34 +17,63 @@ size_categories:
 
 🇨🇳 [查看中文版 README](./README_ZH.md)
 
+---
+
+> ⚠️ **Unofficial Dataset** — This dataset is **NOT** affiliated with, endorsed by,
+> or officially released by `openclaw.allegro.earth`. It is an independent research snapshot.
+
+---
+
 # OpenClaw Exposure Watchboard Dataset (Sanitized)
 
-## Data Source & Attribution
+## 📌 Data Source & Attribution
 
 > **Original Source**: [OpenClaw Exposure Watchboard](https://openclaw.allegro.earth/)
-> © openclaw.allegro.earth — All rights reserved to the original data maintainers.
+> All original data is collected and maintained by **openclaw.allegro.earth**.
+> Full credit and ownership of the source data belong to the original maintainers.
+
+This dataset is an **unofficial, sanitized snapshot** of publicly accessible data from
+[openclaw.allegro.earth](https://openclaw.allegro.earth/) as of **2026-03-04**.
+It was collected for **non-commercial security research and educational purposes only**.
+
+---
 
-All data in this dataset is originally aggregated and maintained by the
-**[OpenClaw Exposure Watchboard](https://openclaw.allegro.earth/)**.
-We give full credit to **openclaw.allegro.earth** for their dedication
-to public security awareness. This dataset is a sanitized snapshot
-collected for research and educational purposes only.
+## 🔐 Copyright Notice
 
-## Privacy & Sanitization
+```
+OpenClaw Exposure Watchboard Data © openclaw.allegro.earth
+Snapshot Date: 2026-03-04
+This dataset is an unofficial derivative work. All rights to the original data
+remain with openclaw.allegro.earth.
+```
+
+The underlying monitored data (IP addresses, CVEs, domain names, ASN info) consists of
+factual public information and is generally not subject to copyright. However, the
+**compilation and curation** of this dataset may constitute a database right.
+We assert no ownership over the original data.
+
+---
+
+## 🛡️ Privacy & Sanitization
 
 All IP addresses have been **sanitized**:
 - IPv4 last octet replaced with `xxx` (e.g. `1.2.3.4` → `1.2.3.xxx`)
-- Endpoint URLs follow the same rule
+- `endpoint_url` field follows the same rule
+- **No personal data** is included in this dataset
 
-Critical metadata — Geolocation, ASN, Organization, CVEs, Threat Actors — is preserved intact.
+> Note: The `asi_domains` field may contain corporate domain names (e.g. `jd.com`,
+> `bytedance.com`). These are included **as factual security metadata only** and do not
+> imply any endorsement, accusation, or commercial relationship.
 
-## Dataset Overview
+---
+
+## 📊 Dataset Overview
 
 | Item | Value |
 |------|-------|
 | Record count | 240,561 |
 | Snapshot date | 2026-03-04 |
-| Fields | 20 (endpoint, country, org, asn, cves, threat actors, etc.) |
+| Fields | 20 |
 | Format | CSV (UTF-8 BOM) |
 
 ## Fields
@@ -65,9 +94,44 @@ Critical metadata — Geolocation, ASN, Organization, CVEs, Threat Actors — is
 | `asi_threat_actors` | Associated APT groups |
 | `asi_cves` | Associated CVE numbers |
 | `asi_enriched_at` | Enrichment timestamp |
-| `asi_domains` | Related domains |
+| `asi_domains` | Related domains (factual metadata only) |
+
+---
+
+## 📖 License & Usage Terms
+
+This dataset is released under **[CC BY-NC-SA 4.0](https://creativecommons.org/licenses/by-nc-sa/4.0/)**.
+
+| You are free to | Conditions |
+|-----------------|-----------|
+| ✅ Share and redistribute | ℹ️ Attribute to this dataset **and** original source |
+| ✅ Adapt and transform | 🚫 **Non-commercial use only** |
+| | 🔄 Share-alike under same license |
+
+**Prohibited uses:**
+- ❌ Commercial exploitation
+- ❌ Targeted harassment or attacks against any listed organization
+- ❌ Re-identification of sanitized IP addresses
+
+---
+
+## 📥 DMCA & Takedown Requests
+
+If you believe this dataset infringes your rights:
+
+1. **Contact us** via Hugging Face discussion tab on this repository
+2. **Contact Hugging Face** at: dmca@huggingface.co
+3. **Reference**: [Hugging Face DMCA Policy](https://huggingface.co/dmca)
+
+We will respond promptly and cooperate fully with legitimate takedown requests.
+
+---
+
+## ⚖️ Disclaimer
 
-## Disclaimer
+This dataset is provided **"as-is"** for security awareness and academic research only.
 
-This dataset is provided "as-is" **for security awareness and academic research only**.
-The contributors are **not responsible** for any misuse of this information.
+- The contributors are **not affiliated** with `openclaw.allegro.earth`
+- We make **no warranty** regarding accuracy or completeness
+- Contributors are **not responsible** for any misuse of this information
+- Mention of any company or organization does **not** imply security accusations or endorsement