Update Readme.md

Author: Messi-Q

Readme.md

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 # GraphDeeSmartContract ![GitHub stars](https://img.shields.io/github/stars/Messi-Q/GraphDeeSmartContract.svg?style=plastic) ![GitHub forks](https://img.shields.io/github/forks/Messi-Q/GraphDeeSmartContract.svg?color=blue&style=plastic) ![License](https://img.shields.io/github/license/Messi-Q/GraphDeeSmartContract.svg?color=blue&style=plastic)
 
-This repo is a python implementation of smart contract vulnerability detection based on graph neural network (GCN). 
-We also present a automation tool of generate graph.
+This repo is a python implementation of smart contract vulnerability detection of our DR-GCN network. 
 
 ### Running project
 * To run program, use this command: python SmConVulDetector.py.