diff --git a/packages/kit-bg/src/services/ServiceStaking.ts b/packages/kit-bg/src/services/ServiceStaking.ts
index f1a0a1681c1..ffd6fc97f22 100644
--- a/packages/kit-bg/src/services/ServiceStaking.ts
+++ b/packages/kit-bg/src/services/ServiceStaking.ts
@@ -755,6 +755,21 @@ class ServiceStaking extends ServiceBase {
     });
     return resp.data.data.list;
   }
+
+  @backgroundMethod()
+  async buildEarnTx({
+    accountId,
+    networkId,
+    tx,
+  }: {
+    accountId: string;
+    networkId: string;
+    tx: IStakeTxResponse;
+  }) {
+    const vault = await vaultFactory.getVault({ networkId, accountId });
+    const encodedTx = await vault.buildStakeEncodedTx(tx as any);
+    return encodedTx;
+  }
 }
 
 export default ServiceStaking;
diff --git a/packages/kit/src/views/Staking/hooks/useUniversalHooks.ts b/packages/kit/src/views/Staking/hooks/useUniversalHooks.ts
index 40319514cef..b1f5882f09e 100644
--- a/packages/kit/src/views/Staking/hooks/useUniversalHooks.ts
+++ b/packages/kit/src/views/Staking/hooks/useUniversalHooks.ts
@@ -2,7 +2,6 @@ import { useCallback } from 'react';
 
 import backgroundApiProxy from '@onekeyhq/kit/src/background/instance/backgroundApiProxy';
 import { useSendConfirm } from '@onekeyhq/kit/src/hooks/useSendConfirm';
-import { vaultFactory } from '@onekeyhq/kit-bg/src/vaults/factory';
 import { type IModalSendParamList } from '@onekeyhq/shared/src/routes';
 import networkUtils from '@onekeyhq/shared/src/utils/networkUtils';
 import { EAccountSelectorSceneName } from '@onekeyhq/shared/types';
@@ -47,8 +46,13 @@ export function useUniversalStake({
           term,
           provider,
         });
-      const vault = await vaultFactory.getVault({ networkId, accountId });
-      const encodedTx = await vault.buildStakeEncodedTx(stakeTx);
+
+      const encodedTx = await backgroundApiProxy.serviceStaking.buildEarnTx({
+        networkId,
+        accountId,
+        tx: stakeTx,
+      });
+
       let useFeeInTx;
       let feeInfoEditable;
       if (networkUtils.isBTCNetwork(networkId)) {
@@ -153,8 +157,11 @@ export function useUniversalWithdraw({
             provider,
           });
       }
-      const vault = await vaultFactory.getVault({ networkId, accountId });
-      const encodedTx = await vault.buildStakeEncodedTx(stakeTx as any);
+      const encodedTx = await backgroundApiProxy.serviceStaking.buildEarnTx({
+        networkId,
+        accountId,
+        tx: stakeTx,
+      });
       await navigationToSendConfirm({
         encodedTx,
         stakingInfo,
@@ -219,8 +226,11 @@ export function useUniversalClaim({
           amount,
           identity,
         });
-      const vault = await vaultFactory.getVault({ networkId, accountId });
-      const encodedTx = await vault.buildStakeEncodedTx(stakeTx as any);
+      const encodedTx = await backgroundApiProxy.serviceStaking.buildEarnTx({
+        networkId,
+        accountId,
+        tx: stakeTx,
+      });
       await navigationToSendConfirm({
         encodedTx,
         stakingInfo,