diff --git a/packages/extension-base/src/koni/background/handlers/Extension.ts b/packages/extension-base/src/koni/background/handlers/Extension.ts
index ad8c22d398..273ce331bd 100644
--- a/packages/extension-base/src/koni/background/handlers/Extension.ts
+++ b/packages/extension-base/src/koni/background/handlers/Extension.ts
@@ -1782,7 +1782,6 @@ export default class KoniExtension {
     const substrateApi = this.#koniState.chainService.getSubstrateApi(originTokenInfo.originChain);
     const chainInfoMap = this.#koniState.chainService.getChainInfoMap();
     const destinationTokenInfo = this.#koniState.getXcmEqualAssetByChain(destChain, originTokenInfo.slug);
-    const existentialDeposit = originTokenInfo.minAmount || '0';
 
     // todo: improve this case. Currently set 1 AVAIL for covering fee as default.
     const isSpecialBridgeFromAvail = originTokenInfo.slug === 'avail_mainnet-NATIVE-AVAIL' && destChain === COMMON_CHAIN_SLUGS.ETHEREUM;
@@ -1795,9 +1794,9 @@ export default class KoniExtension {
       ]);
 
       const bnMaxTransferable = new BigN(value);
-      const estimatedFee = isSpecialBridgeFromAvail ? specialBridgeFromAvailFee : bnMockExecutionFee.multipliedBy(XCM_FEE_RATIO).plus(new BigN(existentialDeposit));
+      const txFee = isSpecialBridgeFromAvail ? specialBridgeFromAvailFee : bnMockExecutionFee.multipliedBy(XCM_FEE_RATIO);
 
-      return bnMaxTransferable.minus(estimatedFee);
+      return bnMaxTransferable.minus(txFee);
     }
 
     return new BigN(0);
diff --git a/packages/extension-base/src/services/earning-service/handlers/special.ts b/packages/extension-base/src/services/earning-service/handlers/special.ts
index 9d95dda327..cfbb4d994e 100644
--- a/packages/extension-base/src/services/earning-service/handlers/special.ts
+++ b/packages/extension-base/src/services/earning-service/handlers/special.ts
@@ -3,11 +3,11 @@
 
 import { TransactionError } from '@subwallet/extension-base/background/errors/TransactionError';
 import { AmountData, ChainType, ExtrinsicType } from '@subwallet/extension-base/background/KoniTypes';
-import { ALL_ACCOUNT_KEY } from '@subwallet/extension-base/constants';
+import { ALL_ACCOUNT_KEY, XCM_FEE_RATIO } from '@subwallet/extension-base/constants';
 import { YIELD_POOL_STAT_REFRESH_INTERVAL } from '@subwallet/extension-base/koni/api/yield/helper/utils';
 import KoniState from '@subwallet/extension-base/koni/background/handlers/State';
 import { createXcmExtrinsic } from '@subwallet/extension-base/services/balance-service/transfer/xcm';
-import { _getChainNativeTokenSlug } from '@subwallet/extension-base/services/chain-service/utils';
+import { _getAssetDecimals, _getAssetExistentialDeposit, _getAssetName, _getAssetSymbol, _getChainNativeTokenSlug } from '@subwallet/extension-base/services/chain-service/utils';
 import { BaseYieldStepDetail, BasicTxErrorType, HandleYieldStepData, OptimalYieldPath, OptimalYieldPathParams, RequestCrossChainTransfer, RequestEarlyValidateYield, ResponseEarlyValidateYield, RuntimeDispatchInfo, SpecialYieldPoolInfo, SpecialYieldPoolMetadata, SubmitYieldJoinData, SubmitYieldStepData, TransactionData, UnstakingInfo, YieldPoolInfo, YieldPoolTarget, YieldPoolType, YieldProcessValidation, YieldStepBaseInfo, YieldStepType, YieldTokenBaseInfo, YieldValidationStatus } from '@subwallet/extension-base/types';
 import { createPromiseHandler, formatNumber, PromiseHandler } from '@subwallet/extension-base/utils';
 import { t } from 'i18next';
@@ -96,20 +96,35 @@ export default abstract class BaseSpecialStakingPoolHandler extends BasePoolHand
     ]);
 
     const bnInputAssetBalance = new BN(inputAssetBalance.value);
-    const bnAltInputAssetBalance = new BN(altInputAssetBalance.value);
+
     const bnMinJoinPool = new BN(poolInfo.statistic.earningThreshold.join);
 
     const inputTokenInfo = this.state.chainService.getAssetBySlug(this.inputAsset);
     const altInputTokenInfo = this.state.chainService.getAssetBySlug(this.altInputAsset);
 
+    const existentialDeposit = new BN(_getAssetExistentialDeposit(altInputTokenInfo));
+    const bnAltInputAssetBalance = new BN(altInputAssetBalance.value);
+
     if (bnInputAssetBalance.add(bnAltInputAssetBalance).lt(bnMinJoinPool)) {
+      const missingAmount = bnMinJoinPool.sub(bnInputAssetBalance).sub(bnAltInputAssetBalance);
+      const isTheSame = missingAmount.toString() === bnMinJoinPool.toString();
       const originChain = this.state.getChainInfo(inputTokenInfo.originChain);
       const altChain = this.state.getChainInfo(altInputTokenInfo.originChain);
-      const parsedMinJoinPool = formatNumber(bnMinJoinPool.toString(), inputAssetInfo.decimals || 0);
+
+      const originSymbol = _getAssetSymbol(inputTokenInfo);
+      const altSymbol = _getAssetSymbol(altInputTokenInfo);
+
+      const originName = originChain.name;
+      const altName = altChain.name;
+
+      const parsedMinJoinPool = formatNumber(missingAmount.toString(), inputAssetInfo.decimals || 0);
+      const formatparsedMinJoinPool = isTheSame ? parsedMinJoinPool : Number(parsedMinJoinPool) + 0.01;
+      const parsedMinAltJoinPool = formatNumber((missingAmount.add(existentialDeposit)).toString(), inputAssetInfo.decimals || 0);
+      const formatParsedMinAltJoinPool = isTheSame ? parsedMinAltJoinPool : Number(parsedMinAltJoinPool) + 0.01;
 
       return {
         passed: false,
-        errorMessage: `You need at least ${parsedMinJoinPool} ${inputTokenInfo.symbol} (${originChain.name}) or ${altInputTokenInfo.symbol} (${altChain.name}) to start earning`
+        errorMessage: `You need to deposit an additional ${formatparsedMinJoinPool} ${originSymbol} (${originName}) or ${formatParsedMinAltJoinPool} ${altSymbol} (${altName}) to start earning`
       };
     }
 
@@ -345,6 +360,7 @@ export default abstract class BaseSpecialStakingPoolHandler extends BasePoolHand
 
     const missingAmount = bnAmount.sub(bnInputTokenBalance); // TODO: what if input token is not LOCAL ??
     const xcmFee = new BN(path.totalFee[1].amount || '0');
+
     const xcmAmount = missingAmount.add(xcmFee);
 
     const bnAltInputTokenBalance = new BN(altInputTokenBalance.value || '0');
@@ -354,17 +370,17 @@ export default abstract class BaseSpecialStakingPoolHandler extends BasePoolHand
       processValidation.ok = false;
       processValidation.status = YieldValidationStatus.NOT_ENOUGH_BALANCE;
 
+      const bnMaxXCM = new BN(altInputTokenBalance.value).sub(xcmFee.mul(new BN(XCM_FEE_RATIO)));
+      const inputTokenDecimal = _getAssetDecimals(inputTokenInfo);
       const maxBn = bnInputTokenBalance.add(new BN(altInputTokenBalance.value)).sub(xcmFee).sub(xcmFee);
       const maxValue = formatNumber(maxBn.toString(), inputTokenInfo.decimals || 0);
+      const maxXCMValue = formatNumber(bnMaxXCM.toString(), inputTokenDecimal);
+
+      const symbol = _getAssetSymbol(altInputTokenInfo);
 
-      const altInputTokenInfo = this.state.getAssetBySlug(altInputTokenSlug);
-      const symbol = altInputTokenInfo.symbol;
-      const altNetwork = this.state.getChainInfo(altInputTokenInfo.originChain);
       const inputNetworkName = this.chainInfo.name;
-      const altNetworkName = altNetwork.name;
-      const currentValue = formatNumber(bnInputTokenBalance.toString(), inputTokenInfo.decimals || 0);
-      const bnMaxXCM = new BN(altInputTokenBalance.value).sub(xcmFee).sub(xcmFee);
-      const maxXCMValue = formatNumber(bnMaxXCM.toString(), inputTokenInfo.decimals || 0);
+      const altNetworkName = _getAssetName(altInputTokenInfo);
+      const currentValue = formatNumber(bnInputTokenBalance.toString(), inputTokenDecimal);
 
       processValidation.message = t(
         'You can only enter a maximum of {{maxValue}} {{symbol}}, which is {{currentValue}} {{symbol}} ({{inputNetworkName}}) and {{maxXCMValue}} {{symbol}} ({{altNetworkName}}). Lower your amount and try again.',