diff --git a/README.md b/README.md
index d1ff09a..b70e07a 100644
--- a/README.md
+++ b/README.md
@@ -107,7 +107,7 @@ Telegram：https://t.me/ETHPandaOrg/5427
 | coratann | ⭕️ | ⭕️ | ❌ | | | | | | | | | | | | | | | | | | | | | | |
 | luffythink | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ |   | | | | | | | | | | | | | | | | |   |   |
 | Henry | ✅ | ✅ | ✅ | ✅ | ⭕️ | ⭕️ |   | | | | | | | | | | | | | | | | |   |   |
-| d0d0d9 | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ |   | | | | | | | | | | | | | | | | |   |   |
+| d0d0d9 | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ | | | | | | | | | | | | | | | | |   |   |
 | henryleo | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ |   | | | | | | | | | | | | | | | | |   |   |
 | zhouCode | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ | | | | | | | | | | | | | | | | |   |   |
 | mrmign | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ |   | | | | | | | | | | | | | | | | |   |   |
@@ -155,7 +155,7 @@ Telegram：https://t.me/ETHPandaOrg/5427
 | jjeejj | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ |   | | | | | | | | | | | | | | | | |   |   |
 | buctor41 | ✅ | ✅ | ⭕️ | ⭕️ | ⭕️ | ⭕️ |   | | | | | | | | | | | | | | | | |   |   |
 | zhwindy | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ |   | | | | | | | | | | | | | | | | |   |   |
-| rectinajh | ✅ | ✅ | ✅ | ⭕️ | ✅ | ✅ |   | | | | | | | | | | | | | | | | |   |   |
+| rectinajh | ✅ | ✅ | ✅ | ⭕️ | ✅ | ✅ | ✅ | | | | | | | | | | | | | | | | |   |   |
 | letsgoexplore | ⭕️ | ⭕️ | ❌ | | | | | | | | | | | | | | | | | | | | | | |
 | Lvista | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ |   | | | | | | | | | | | | | | | | |   |   |
 | lanpan999 | ⭕️ | ⭕️ | ❌ | | | | | | | | | | | | | | | | | | | | | | |
@@ -652,6 +652,8 @@ Telegram：https://t.me/ETHPandaOrg/5427
 
 
 
+
+
 
 
 
diff --git a/d0d0d9.md b/d0d0d9.md
index 4a1e29e..fd76fe9 100644
--- a/d0d0d9.md
+++ b/d0d0d9.md
@@ -145,6 +145,29 @@ An attestation contains both an LMD GHOST vote and an FFG vote.  Optimally, all
 [共识介绍视频](https://www.youtube.com/watch?v=5gfNUVmX3Es)
 
 
+### 2025.02.12
+
+#### Research and Roadmap
+
+[Ethereum Roadmap](https://github.com/eth-protocol-fellows/protocol-studies/blob/main/docs/eps/presentations/week5.pdf)
+
+##### Scourge
+(very) brief overview of MEV
+ePBS / Inclusion Lists / MEV Burn
+Max EB, Stake capping
+
+##### Verge
+Verkle Trees
+SNARKify everything
+
+##### Purge
+【EIP-4444](https://eips.ethereum.org/EIPS/eip-4444)
+Protocol simplifications
+
+##### Splurge
+[EIP-1559 endgame](https://ethresear.ch/t/multidimensional-eip-1559/11651)
+Account Abstraction
+Deep cryptography
 
 
 
diff --git a/rectinajh.md b/rectinajh.md
index fdf3080..a4136bd 100644
--- a/rectinajh.md
+++ b/rectinajh.md
@@ -37,4 +37,7 @@ https://epf.wiki/#/wiki/protocol/history
 今天学习执行层数据规范最初被指定是根据黄皮书来设计的
 https://epf.wiki/#/wiki/EL/el-specs
 
+### 2025.02.12
+今天学习执行层客户端的架构设计
+https://epf.wiki/#/wiki/EL/el-architecture
 <!-- Content_END -->