update

README.md

@@ -10,34 +10,36 @@ The blockchain is an incorruptible digital ledger of economic transactions that
 
 ## Contents
 
--   [Awesome Blockchain](#awesome-blockchain)
-    -   [Contents](#contents)
-    -   [Frequently Asked Questions (F.A.Q.s) & Answers](#frequently-asked-questions-faqs--answers)
-    -   [Basic Introduction](#basic-introduction)
-    -   [Further Extension](#further-extesnsion)
-        -   [Books](#books)
-        -   [Applications](#applications)
-            -   [Identity Applications](#identity-applications)
-                -   [Public Blockchain Identity](#public-blockchain-identity)
-                -   [Blockchain as a collateral](#blockchain-as-a-collateral)
-                -   [Unclear](#unclear)
-                -   [Guidance](#guidance)
-            -   [Internet of Things Applications](#internet-of-things-applications)
-            -   [Energy Applications](#energy-applications)
-    -   [Development Tutorial](#development-tutorial)
-        -   [BitCoin](#bitcoin)
-        -   [Ethereum](#ethereum)
-        -   [Fabric](#fabric)
-    -   [Releated Tools](#releated-tools)
-        -   [Solidity](#solidity)
-        -   [truffle](#truffle)
-        -   [web3.js](#web3js)
-    -   [Projects and Applications](#projects-and-applications)
-        -   [Monero](#monero)
-        -   [IOTA](#iota)
-        -   [EOS](#eos)
-        -   [IFPS](#ifps)
-    -   [Contribute](#contribute)
+- [Awesome Blockchain](#awesome-blockchain)
+    - [Contents](#contents)
+    - [Frequently Asked Questions (F.A.Q.s) & Answers](#frequently-asked-questions-faqs--answers)
+    - [Basic Introduction](#basic-introduction)
+    - [Further Extension](#further-extension)
+        - [Books](#books)
+        - [Applications](#applications)
+            - [Identity Applications](#identity-applications)
+                - [Public Blockchain Identity](#public-blockchain-identity)
+                - [Blockchain as a collateral](#blockchain-as-a-collateral)
+                - [Unclear](#unclear)
+                - [Guidance](#guidance)
+            - [Internet of Things Applications](#internet-of-things-applications)
+            - [Energy Applications](#energy-applications)
+    - [Development Tutorial](#development-tutorial)
+        - [BitCoin](#bitcoin)
+        - [Ethereum](#ethereum)
+        - [Fabric](#fabric)
+    - [Releated Tools](#releated-tools)
+        - [Solidity](#solidity)
+        - [truffle](#truffle)
+        - [web3.js](#web3js)
+    - [Projects and Applications](#projects-and-applications)
+        - [Monero](#monero)
+        - [IOTA](#iota)
+        - [EOS](#eos)
+        - [IFPS](#ifps)
+        - [Metaverse](#metaverse)
+        - [BYTOM](#bytom)
+    - [Contribute](#contribute)
 
 ## Frequently Asked Questions (F.A.Q.s) & Answers
 
@@ -119,7 +121,7 @@ The "classic" Satoshi-blockchain is like a git repo with a single master branch
 -   [ ] [Ethereum basics](<>)  
     <!-- - [ ] []()链上治理 -->
 -   [ ] [Exchange](<>)  
--   [ ] [Application](./Extension/application.md) 
+-   [Applications](./Extension/application.md) 
 -   [Digital currency ranking](https://coinmarketcap.com/)  
 
 ## Further Extension