diff --git a/README.md b/README.md
index 3c46ae0..d01659a 100644
--- a/README.md
+++ b/README.md
@@ -2,7 +2,7 @@
 
 <br>
 
-
+---
 ## 🍕 notes && code in this repo
 
 <br>
@@ -133,7 +133,6 @@
 * [ethereum gas tracker](https://www.useweb3.xyz/gas)
 * [nansei gas tracker](https://pro.nansen.ai/gas-tracker)
 * [gas fee prediction](https://www.blocknative.com/gas-estimator)
-
 * [gastrology: estimate gas prices by analyzing past blocks](https://dethgasstation.eth.link/)
 
 
@@ -164,15 +163,6 @@
 
 
 
-### mev research
-
-* [MEV.day 2022](https://mevday.org/)
-* [MEV data corpus](https://github.com/manifoldfinance/mev-corpus)
-* [the Daily Ape on MEV](https://thedailyape.notion.site/MEV-8713cb4c2df24f8483a02135d657a221)
-* [cryptocurrency Historical Data Snapshot](https://coinmarketcap.com/historical/)
-* [cross-domain mev](https://arxiv.org/abs/2112.01472)
-
-<br>
 
 
 ### other supporting tools
@@ -229,6 +219,21 @@
 ---
 
 
+## 🍌 mev research
+
+<br>
+
+* [MEV.day 2022](https://mevday.org/)
+* [MEV data corpus](https://github.com/manifoldfinance/mev-corpus)
+* [the Daily Ape on MEV](https://thedailyape.notion.site/MEV-8713cb4c2df24f8483a02135d657a221)
+* [cryptocurrency Historical Data Snapshot](https://coinmarketcap.com/historical/)
+* [cross-domain mev](https://arxiv.org/abs/2112.01472)
+
+<br>
+
+---
+
+
 ## 🌭 bonus: 𝕋𝕙𝕖 𝕞𝕒𝕜𝕖 𝕠𝕗 𝕒 𝕔𝕪𝕡𝕙𝕖𝕣𝕡𝕦𝕟𝕜
 
 <br>