diff --git a/packages/extension-base/src/services/chain-service/index.ts b/packages/extension-base/src/services/chain-service/index.ts
index a098d6d532c..179c2a49cb0 100644
--- a/packages/extension-base/src/services/chain-service/index.ts
+++ b/packages/extension-base/src/services/chain-service/index.ts
@@ -1924,9 +1924,7 @@ export class ChainService {
     let existedToken: _ChainAsset | undefined;
 
     for (const token of Object.values(assetRegistry)) {
-      const ticker = token?.slug;
-
-      if (ticker === data.ticker && token.assetType === data.type && token.originChain === data.originChain) {
+      if (token?.symbol === data.ticker && token?.assetType === data.type && token?.originChain === data.originChain) {
         existedToken = token;
         break;
       }
diff --git a/packages/extension-base/src/services/hiro-service/utils/index.ts b/packages/extension-base/src/services/hiro-service/utils/index.ts
index d668584ab55..70448d5e49b 100644
--- a/packages/extension-base/src/services/hiro-service/utils/index.ts
+++ b/packages/extension-base/src/services/hiro-service/utils/index.ts
@@ -86,3 +86,17 @@ export function getPreviewUrl (inscriptionId: string) {
     throw error;
   }
 }
+
+export function isValidBrc20Ticker (ticker: string) {
+  const bytesLength = getByteLength(ticker);
+
+  return bytesLength === 4 || bytesLength === 5;
+}
+
+function getByteLength (str: string): number {
+  const encoder = new TextEncoder();
+  const encodedStr = encoder.encode(str);
+
+  // Return the length of the encoded array, which represents the number of bytes
+  return encodedStr.length;
+}
diff --git a/packages/extension-base/src/services/rune-service/utils/index.ts b/packages/extension-base/src/services/rune-service/utils/index.ts
index ad2995eed85..78657ad4f1c 100644
--- a/packages/extension-base/src/services/rune-service/utils/index.ts
+++ b/packages/extension-base/src/services/rune-service/utils/index.ts
@@ -42,13 +42,17 @@ export async function getAllCollectionRunes (isTestnet = false) {
   }
 }
 
-export async function getRuneMetadata (runeid: string, isTestnet = false) {
+export async function getRuneMetadata (runeId: string, isTestnet = false) {
   const runeService = RunesService.getInstance(isTestnet);
 
   try {
-    return await runeService.getRuneMetadata(runeid);
+    return await runeService.getRuneMetadata(runeId);
   } catch (error) {
-    console.error(`Failed to get rune ${runeid} metadata`, error);
+    console.error(`Failed to get rune ${runeId} metadata`, error);
     throw error;
   }
 }
+
+export function isValidRuneId (runeId: string) {
+  return runeId.includes(':');
+}
diff --git a/packages/extension-koni-ui/src/Popup/Settings/Tokens/FungibleTokenImport.tsx b/packages/extension-koni-ui/src/Popup/Settings/Tokens/FungibleTokenImport.tsx
index 4006e059e1d..f958bee9f10 100644
--- a/packages/extension-koni-ui/src/Popup/Settings/Tokens/FungibleTokenImport.tsx
+++ b/packages/extension-koni-ui/src/Popup/Settings/Tokens/FungibleTokenImport.tsx
@@ -3,6 +3,8 @@
 
 import { _AssetType, _ChainInfo } from '@subwallet/chain-list/types';
 import { _getTokenTypesSupportedByChain, _isChainTestNet, _parseMetadataForBrc20Asset, _parseMetadataForRuneAsset, _parseMetadataForSmartContractAsset } from '@subwallet/extension-base/services/chain-service/utils';
+import { isValidBrc20Ticker } from '@subwallet/extension-base/services/hiro-service/utils';
+import { isValidRuneId } from '@subwallet/extension-base/services/rune-service/utils';
 import { isValidSubstrateAddress } from '@subwallet/extension-base/utils';
 import { AddressInput, ChainSelector, Layout, PageWrapper, TokenTypeSelector } from '@subwallet/extension-koni-ui/components';
 import { DataContext } from '@subwallet/extension-koni-ui/contexts/DataContext';
@@ -10,7 +12,6 @@ import { useChainChecker, useDefaultNavigate, useGetChainPrefixBySlug, useGetFun
 import { upsertCustomToken, validateCustomBrc20, validateCustomRune, validateCustomToken } from '@subwallet/extension-koni-ui/messaging';
 import { FormCallbacks, FormRule, Theme, ThemeProps } from '@subwallet/extension-koni-ui/types';
 import { convertFieldToError, convertFieldToObject, reformatAddress, simpleCheckForm } from '@subwallet/extension-koni-ui/utils';
-import { isBitcoinAddress } from '@subwallet/keyring';
 import { Col, Field, Form, Icon, Input, Row } from '@subwallet/react-ui';
 import SwAvatar from '@subwallet/react-ui/es/sw-avatar';
 import { PlusCircle } from 'phosphor-react';
@@ -114,11 +115,12 @@ function Component ({ className = '' }: Props): React.ReactElement<Props> {
             const selectedTokenType = getFieldValue('type') as _AssetType;
             const isValidEvmContract = [_AssetType.ERC20].includes(selectedTokenType) && isEthereumAddress(inputMetadata);
             const isValidWasmContract = [_AssetType.PSP22].includes(selectedTokenType) && isValidSubstrateAddress(inputMetadata);
-            const isValidRune = [_AssetType.RUNE].includes(selectedTokenType) && isBitcoinAddress(inputMetadata);
-            const isValidBrc20 = [_AssetType.BRC20].includes(selectedTokenType) && isBitcoinAddress(inputMetadata);
-            const reformattedContractAddress = reformatAddress(inputMetadata, chainNetworkPrefix);
+            const isValidRune = [_AssetType.RUNE].includes(selectedTokenType) && isValidRuneId(inputMetadata);
+            const isValidBrc20 = [_AssetType.BRC20].includes(selectedTokenType) && isValidBrc20Ticker(inputMetadata);
 
             if (isValidEvmContract || isValidWasmContract) {
+              const reformattedContractAddress = reformatAddress(inputMetadata, chainNetworkPrefix);
+
               setLoading(true);
               validateCustomToken({
                 contractAddress: reformattedContractAddress,
@@ -158,7 +160,6 @@ function Component ({ className = '' }: Props): React.ReactElement<Props> {
                 type: selectedTokenType
               })
                 .then((validationResult) => {
-                  console.log('validationResult');
                   setLoading(false);
 
                   if (validationResult.isExist) {