diff --git a/packages/engine/src/vaults/impl/bch/provider.ts b/packages/engine/src/vaults/impl/bch/provider.ts
index 1d29e2e5995..8fc7919c50a 100644
--- a/packages/engine/src/vaults/impl/bch/provider.ts
+++ b/packages/engine/src/vaults/impl/bch/provider.ts
@@ -32,6 +32,10 @@ export default class Provider extends BaseProvider {
 
   override getPsbt(): Psbt {
     // @ts-expect-error
-    return new BitcoinForkJS.Psbt({ network: this.network, forkCoin: 'bch' });
+    return new BitcoinForkJS.Psbt({
+      network: this.network,
+      forkCoin: 'bch',
+      maximumFeeRate: 10000,
+    });
   }
 }
diff --git a/packages/engine/src/vaults/impl/doge/provider.ts b/packages/engine/src/vaults/impl/doge/provider.ts
index bb9e6c08727..467de3228b3 100644
--- a/packages/engine/src/vaults/impl/doge/provider.ts
+++ b/packages/engine/src/vaults/impl/doge/provider.ts
@@ -8,7 +8,7 @@ export default class Provider extends BaseProvider {
   override getPsbt(): Psbt {
     return new BitcoinJS.Psbt({
       network: this.network,
-      maximumFeeRate: 10000,
+      maximumFeeRate: 1000000,
     });
   }
 }
diff --git a/packages/kit/src/views/Send/utils/useBtcCustomFee.ts b/packages/kit/src/views/Send/utils/useBtcCustomFee.ts
index 1fe145c8126..9406823e50d 100644
--- a/packages/kit/src/views/Send/utils/useBtcCustomFee.ts
+++ b/packages/kit/src/views/Send/utils/useBtcCustomFee.ts
@@ -47,14 +47,14 @@ export function useBtcCustomFeeForm({
       highValue: string;
     }) => {
       const min = 0;
-      const max = 2000;
+      const max = 1000000;
       const valueBN = new BigNumber(value);
       if (valueBN.isLessThanOrEqualTo(min) || valueBN.isGreaterThan(max)) {
         throw new OneKeyValidatorError(
           'msg__enter_a_fee_rate_between_str_and_str',
           {
             min: '0',
-            max: '2000',
+            max: '1000000',
           },
         );
       }