diff --git a/packages/background/package.json b/packages/background/package.json
index 54f423b88..8e79b206f 100644
--- a/packages/background/package.json
+++ b/packages/background/package.json
@@ -46,6 +46,7 @@
     "@fluent-wallet/cfx_get-transaction-by-hash": "workspace:packages/rpcs/cfx_getTransactionByHash",
     "@fluent-wallet/cfx_get-transaction-receipt": "workspace:packages/rpcs/cfx_getTransactionReceipt",
     "@fluent-wallet/cfx_get-vote-list": "workspace:packages/rpcs/cfx_getVoteList",
+    "@fluent-wallet/cfx_max-priority-fee-per-gas": "workspace:*",
     "@fluent-wallet/cfx_net-version": "workspace:packages/rpcs/cfx_netVersion",
     "@fluent-wallet/cfx_opened-method-groups": "workspace:*",
     "@fluent-wallet/cfx_request-accounts": "workspace:packages/rpcs/cfx_requestAccounts",
diff --git a/packages/background/src/rpc-engine-opts.js b/packages/background/src/rpc-engine-opts.js
index 1a11ffda9..a36abcd8b 100644
--- a/packages/background/src/rpc-engine-opts.js
+++ b/packages/background/src/rpc-engine-opts.js
@@ -91,6 +91,7 @@ import * as cfxSendRawTransaction from '@fluent-wallet/cfx_send-raw-transaction'
 import * as cfxSendTransaction from '@fluent-wallet/cfx_send-transaction'
 import * as cfxSignTransaction from '@fluent-wallet/cfx_sign-transaction'
 import * as cfxTypedSignV4 from '@fluent-wallet/cfx_sign-typed-data_v4'
+import * as cfx_maxPriorityFeePerGas from '@fluent-wallet/cfx_max-priority-fee-per-gas'
 import * as ethAccounts from '@fluent-wallet/eth_accounts'
 import * as ethBlockNumber from '@fluent-wallet/eth_block-number'
 import * as ethCall from '@fluent-wallet/eth_call'
@@ -320,6 +321,7 @@ export const rpcEngineOpts = {
     cfxSendTransaction,
     cfxSignTxWithLedgerNanoS,
     cfxGetMaxGasLimit,
+    cfx_maxPriorityFeePerGas,
 
     // eth
     ethGetCode,
diff --git a/packages/rpcs/cfx_maxPriorityFeePerGas/doc.js b/packages/rpcs/cfx_maxPriorityFeePerGas/doc.js
new file mode 100644
index 000000000..52fdf31e8
--- /dev/null
+++ b/packages/rpcs/cfx_maxPriorityFeePerGas/doc.js
@@ -0,0 +1,4 @@
+export default {
+  metadata: {standard: true},
+  en: 'No doc available',
+}
diff --git a/packages/rpcs/cfx_maxPriorityFeePerGas/index.js b/packages/rpcs/cfx_maxPriorityFeePerGas/index.js
new file mode 100644
index 000000000..b90795bf7
--- /dev/null
+++ b/packages/rpcs/cfx_maxPriorityFeePerGas/index.js
@@ -0,0 +1,16 @@
+import {optParam} from '@fluent-wallet/spec'
+
+export const NAME = 'cfx_maxPriorityFeePerGas'
+
+export const schemas = {
+  input: optParam,
+}
+
+export const permissions = {
+  locked: true,
+  external: ['popup', 'inpage'],
+}
+
+export const main = async ({f, params}) => {
+  return await f(params)
+}
diff --git a/packages/rpcs/cfx_maxPriorityFeePerGas/package.json b/packages/rpcs/cfx_maxPriorityFeePerGas/package.json
new file mode 100644
index 000000000..af6776d88
--- /dev/null
+++ b/packages/rpcs/cfx_maxPriorityFeePerGas/package.json
@@ -0,0 +1,9 @@
+{
+  "name": "@fluent-wallet/cfx_max-priority-fee-per-gas",
+  "type": "module",
+  "main": "index.js",
+  "version": "0.0.9",
+  "dependencies": {
+    "@fluent-wallet/spec": "workspace:packages/spec"
+  }
+}
diff --git a/yarn.lock b/yarn.lock
index 48e7f1721..4436f5526 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4028,6 +4028,14 @@ __metadata:
   languageName: unknown
   linkType: soft
 
+"@fluent-wallet/cfx_max-priority-fee-per-gas@workspace:*, @fluent-wallet/cfx_max-priority-fee-per-gas@workspace:packages/rpcs/cfx_maxPriorityFeePerGas":
+  version: 0.0.0-use.local
+  resolution: "@fluent-wallet/cfx_max-priority-fee-per-gas@workspace:packages/rpcs/cfx_maxPriorityFeePerGas"
+  dependencies:
+    "@fluent-wallet/spec": "workspace:packages/spec"
+  languageName: unknown
+  linkType: soft
+
 "@fluent-wallet/cfx_net-version@workspace:packages/rpcs/cfx_netVersion":
   version: 0.0.0-use.local
   resolution: "@fluent-wallet/cfx_net-version@workspace:packages/rpcs/cfx_netVersion"
@@ -17908,6 +17916,7 @@ __metadata:
     "@fluent-wallet/cfx_get-transaction-by-hash": "workspace:packages/rpcs/cfx_getTransactionByHash"
     "@fluent-wallet/cfx_get-transaction-receipt": "workspace:packages/rpcs/cfx_getTransactionReceipt"
     "@fluent-wallet/cfx_get-vote-list": "workspace:packages/rpcs/cfx_getVoteList"
+    "@fluent-wallet/cfx_max-priority-fee-per-gas": "workspace:*"
     "@fluent-wallet/cfx_net-version": "workspace:packages/rpcs/cfx_netVersion"
     "@fluent-wallet/cfx_opened-method-groups": "workspace:*"
     "@fluent-wallet/cfx_request-accounts": "workspace:packages/rpcs/cfx_requestAccounts"