diff --git a/.env.development b/.env.development
index d037843..af4b9bb 100644
--- a/.env.development
+++ b/.env.development
@@ -1,9 +1,9 @@
 VUE_APP_WALLET_INFURAID='e7743d46923911fa8850619b7a7f6d9d'
 VUE_APP_BASE_API='https://market-test.kingsome.cn'
-VUE_APP_CHAIN_ID=322
-VUE_APP_CHAIN_RPC='https://rpc-testnet.kcc.network'
-VUE_APP_CHAIN_NAME='KCC-TESTNET'
-VUE_APP_CHAIN_EXPLORERURL='https://scan-testnet.kcc.network
+VUE_APP_CHAIN_ID=1338
+VUE_APP_CHAIN_RPC='http://192.168.100.22:8545'
+VUE_APP_CHAIN_NAME='22'
+VUE_APP_CHAIN_EXPLORERURL=''
 VUE_APP_CHAIN_CURRENCY_NAME='name'
-VUE_APP_CHAIN_CURRENCY_SYMBOL='KCS'
+VUE_APP_CHAIN_CURRENCY_SYMBOL='BEC'
 VUE_APP_CHAIN_CURRENCY_DECIMALS=18
diff --git a/package.json b/package.json
index 726644e..64265ca 100644
--- a/package.json
+++ b/package.json
@@ -6,7 +6,8 @@
     "serve": "vue-cli-service serve",
     "build": "vue-cli-service build",
     "lint": "vue-cli-service lint",
-    "deploy": "ztools png ./dist && rm -f ./dist/.DS_Store && aws s3 sync ./dist s3://cebg.games"
+    "deploy": "rm -f ./dist/.DS_Store && aws s3 sync ./dist s3://cebg.games",
+    "deploy:test": "rm -f ./dist/.DS_Store && aws s3 sync ./dist s3://test.cebg.games"
   },
   "dependencies": {
     "@walletconnect/web3-provider": "^1.7.1",
diff --git a/public/index.html b/public/index.html
index 8506238..209073f 100644
--- a/public/index.html
+++ b/public/index.html
@@ -7,15 +7,14 @@
 <!--    <meta name="viewport" content="width=device-width,initial-scale=1.0">-->
     <link rel="icon" href="<%= BASE_URL %>favicon.ico">
     <title><%= htmlWebpackPlugin.options.title %></title>
-    <script src="assets/libs/spine-webgl.js"></script>
     <style>
         @font-face {
             font-family: title;
-            src: url('assets/fonts/title.ttf');
+            src: url('/assets/fonts/title.ttf');
         }
         @font-face {
             font-family: zitic;
-            src: url('assets/fonts/zitic.ttf');
+            src: url('/assets/fonts/zitic.ttf');
         }
         html *
         {
diff --git a/src/utils/blockchain.ts b/src/utils/blockchain.ts
index ff914c3..c2ed4c6 100644
--- a/src/utils/blockchain.ts
+++ b/src/utils/blockchain.ts
@@ -7,6 +7,13 @@ import { MessageBox } from 'element-ui'
 import { ERC20ABI, MALL_ADDRESS } from '@/utils/config_chain'
 import { EventBus, NEED_LOGIN } from '@/utils/event-bus'
 
+const EIP721_DOMAIN_DATA = [
+  { name: 'name', type: 'string' },
+  { name: 'version', type: 'string' },
+  { name: 'chainId', type: 'uint256' },
+  { name: 'verifyingContract', type: 'address' }
+]
+
 @singleton
 export class BlockChain {
   provider:any
@@ -196,12 +203,29 @@ export class BlockChain {
                                buyerAddress: string
                              }) {
     const nonce = Math.random() * 100000 | 0
-    const signStr: string = this.web3.utils.soliditySha3(type, paymentTokenAddress, price, nonce)!
-    const signStr2 = this.web3.eth.accounts.hashMessage(signStr)
-    let signature = await this.web3.eth.sign(signStr2, buyerAddress)
-    // console.log(paymentTokenAddress, type, nonce, price, signature)
-    // const whoSigned1 = await this.web3.eth.accounts.recover(signStr2, signature, true)
-    signature = signature.replace(/00$/, '1b').replace(/01$/, '1c')
+
+    const signMsg = {
+      item: type,
+      token: paymentTokenAddress,
+      price: price,
+      salt: nonce
+    }
+    const signCfg = {
+      name: 'BEBoxMall',
+      version: '1',
+      contract: MALL_ADDRESS,
+      signer: buyerAddress,
+      types: {
+        EIP712Domain: EIP721_DOMAIN_DATA,
+        set: [
+          { name: 'item', type: 'uint256' },
+          { name: 'token', type: 'address' },
+          { name: 'price', type: 'uint256' },
+          { name: 'salt', type: 'uint256' }
+        ]
+      }
+    }
+    const signature = await this.signData(signCfg, signMsg)
     return { nonce, signature }
   }
 
@@ -216,4 +240,48 @@ export class BlockChain {
     const priceStr = (price / v) + ''
     return this.web3.utils.toWei(priceStr)
   }
+
+  public async signData(cfg: any, msg: any) {
+    const netId = await this.web3.eth.getChainId()
+    const msgParams = JSON.stringify({
+      types: cfg.types,
+      // make sure to replace verifyingContract with address of deployed contract
+      primaryType: 'set',
+      domain: {
+        name: cfg.name,
+        version: cfg.version,
+        chainId: netId,
+        verifyingContract: cfg.contract
+      },
+      message: msg
+    })
+    const from = cfg.signer
+    console.log('clicked, sending personal sign req', 'from', from, msgParams)
+    const params = [from, msgParams]
+    const result: any = await this.sendCmd({
+      method: 'eth_signTypedData_v4',
+      params,
+      from
+    })
+    console.log(result)
+    return result.result
+  }
+
+  public async sendCmd({ method, params, from }: any) {
+    return new Promise((resolve, reject) => {
+      // eslint-disable-next-line @typescript-eslint/ban-ts-comment
+      // @ts-ignore
+      this.web3.currentProvider.sendAsync({
+        method,
+        params,
+        from
+      }, async function(err: any, result: any) {
+        if (err) {
+          reject && reject(err)
+          return
+        }
+        resolve && resolve(result)
+      })
+    })
+  }
 }