From 7eab23e6f86ee9ecdc0d55218b76f742095c092a Mon Sep 17 00:00:00 2001
From: cebgcontract <99630598+cebgcontract@users.noreply.github.com>
Date: Thu, 28 Apr 2022 20:48:47 +0800
Subject: [PATCH] =?UTF-8?q?metamask=E7=99=BB=E5=BD=95=E6=97=B6,=20?=
 =?UTF-8?q?=E5=A6=82=E6=9E=9C=E9=92=B1=E5=8C=85=E6=9C=AA=E7=99=BB=E5=BD=95?=
 =?UTF-8?q?,=20=E5=88=99=E6=8F=90=E7=A4=BA=E5=85=88=E5=8E=BB=E9=92=B1?=
 =?UTF-8?q?=E5=8C=85=E7=99=BB=E5=BD=95?=
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---
 src/chain/blockchain.ts | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/src/chain/blockchain.ts b/src/chain/blockchain.ts
index de42e76..b5ca101 100644
--- a/src/chain/blockchain.ts
+++ b/src/chain/blockchain.ts
@@ -215,8 +215,17 @@ export class Blockchain {
       provider = window.ethereum
       try {
         await provider.request({ method: 'eth_requestAccounts' })
-      } catch (error) {
-        throw new Error('User Rejected')
+      } catch (error: any) {
+        if (error.code === -32002) {
+          // const hexChainId = toHexChainId(this.currentChain)
+          // await provider.request({
+          //   method: 'wallet_switchEthereumChain',
+          //   params: [{ chainId: hexChainId }]
+          // })
+          throw new Error('MeatMask not login, Open MeatMask and login first')
+        } else {
+          throw new Error('User Rejected')
+        }
       }
     } else if (window.web3) {
       provider = window.web3.currentProvider