diff --git a/README.md b/README.md
index 7dae436..6beeef9 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # Many Abis
 
-![Version](https://img.shields.io/badge/many--abis-v0.1.6-green)
+![Version](https://img.shields.io/badge/many--abis-v0.1.6.1-green)
 ![Pypi](https://img.shields.io/pypi/dm/many-abis)
 
 ![GitHub Org's stars](https://img.shields.io/github/stars/ackness/many_abis?style=social)
@@ -26,7 +26,7 @@ Now we support dex:
   - [3] [MDEX (BSC)](https://bsc.mdex.co/#/swap/)
   - [4] [PancakeSwap v2](https://pancakeswap.finance/swap)
   - [5] [PancakeSwap v3](https://pancakeswap.finance/swap)
-  - [6] [uniswap](https://app.uniswap.org/#/swap)
+  - [6] [Uniswap](https://app.uniswap.org/#/swap)
 - bsc-test:
   - [1] [PancakeSwap v2 (TEST)]()
   - [2] [PancakeSwap v3 (TEST)](https://pancakeswap.finance/swap?chain:bscTestnet)
@@ -50,6 +50,7 @@ Now we support dex:
   - [1] [QuickSwap](https://quickswap.exchange/)
 - optimism:
   - [1] [Uniswap V3](https://app.uniswap.org/#/swap)
+  - [2] [Velodrome V1](https://app.velodrome.finance/swap)
 
 ---
 
@@ -125,4 +126,7 @@ ds = ma.get('bsc', 'dex', 'pancake_v2')
 print(ds)
 # {'factory_address': '0xcA143Ce32Fe78f1f7019d7d551a6402fC5350c73', 'name': 'PancakeSwap v2', 'router_address': '0x10ED43C718714eb63d5aA57B78B54704E256024E', 'website': 'https://pancakeswap.finance/swap'}
 
+# print all dex
+ma.print_all_dex()
+
 ```
diff --git a/many_abis/assets/utils/chains.json b/many_abis/assets/utils/chains.json
index 30eff03..39a5e6f 100644
--- a/many_abis/assets/utils/chains.json
+++ b/many_abis/assets/utils/chains.json
@@ -118,7 +118,7 @@
       },
       "uniswap": {
         "address": "0x5Dc88340E1c5c6366864Ee415d6034cadd1A9897",
-        "name": "uniswap",
+        "name": "Uniswap",
         "website": "https://app.uniswap.org/#/swap"
       }
     },
diff --git a/setup.py b/setup.py
index d6924c6..f7a2825 100644
--- a/setup.py
+++ b/setup.py
@@ -9,7 +9,7 @@
     package_dir={'many_abis': 'many_abis'},
     package_data={'': [
         '**/*.abi', '**/*.json']},
-    version='0.1.6',
+    version='0.1.6.1',
     license='MIT',
     description='A simple way to get different DEXs abis for block chains.',
     long_description=long_description,