diff --git a/packages/mask/src/plugins/Trader/trader/0x/useTrade.ts b/packages/mask/src/plugins/Trader/trader/0x/useTrade.ts
index 439254ad5f63..f166c8895ee9 100644
--- a/packages/mask/src/plugins/Trader/trader/0x/useTrade.ts
+++ b/packages/mask/src/plugins/Trader/trader/0x/useTrade.ts
@@ -18,22 +18,19 @@ import { currentNetworkSettings } from '../../../Wallet/settings'
 import { TargetChainIdContext } from '../useTargetChainIdContext'
 import { TradeProvider } from '@masknet/public-api'
 
+const NATIVE_TOKEN_ADDRESS = '0xeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee'
+
 export function getNativeTokenLabel(networkType: NetworkType) {
     switch (networkType) {
         case NetworkType.Ethereum:
             return 'ETH'
         case NetworkType.Binance:
-            return '0xeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee'
         case NetworkType.Polygon:
-            return '0xeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee'
         case NetworkType.Arbitrum:
-            return '0xeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee'
         case NetworkType.xDai:
-            return '0xeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee'
         case NetworkType.Celo:
-            return '0xeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee'
         case NetworkType.Fantom:
-            return '0xeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee'
+            return NATIVE_TOKEN_ADDRESS
         default:
             safeUnreachable(networkType)
             return ''