diff --git a/packages/uni-mp-core/src/index.ts b/packages/uni-mp-core/src/index.ts
index be628b5f2ec2c7867c39171ad019658bce8f91f3..9026a71d36fa0ac9d97e2f123d23a13c3a124d19 100644
--- a/packages/uni-mp-core/src/index.ts
+++ b/packages/uni-mp-core/src/index.ts
@@ -67,6 +67,6 @@ export {
   MPComponentInstance,
   CreateLifetimesOptions,
 } from './runtime/component'
-export { MPProtocols } from './api/protocols'
+export { MPProtocols, MPProtocol } from './api/protocols'
 // mp-alipay
 export { CreateComponentOptions } from './runtime/componentInstance'
diff --git a/packages/uni-mp-kuaishou/src/api/protocols.ts b/packages/uni-mp-kuaishou/src/api/protocols.ts
index 0a42f0fbdbb535be49242a869d0448bb2361d88e..6f31f0b77653dc350399c3035a6b2c12e000f0b1 100644
--- a/packages/uni-mp-kuaishou/src/api/protocols.ts
+++ b/packages/uni-mp-kuaishou/src/api/protocols.ts
@@ -1,7 +1,27 @@
-export {
+import {
   redirectTo,
   navigateTo,
   previewImage,
   getSystemInfo,
   getSystemInfoSync,
 } from '@dcloudio/uni-mp-core'
+import type { MPProtocol } from '@dcloudio/uni-mp-core'
+
+const requestPayment: MPProtocol = {
+  name: ks.pay ? 'pay' : 'requestPayment',
+  args(fromArgs: Data, toArgs: Data) {
+    if (typeof fromArgs === 'object') {
+      // ks.pay 服务类型 id（固定值为 '1'）
+      if (ks.pay && !fromArgs.serviceId) toArgs.serviceId = '1'
+    }
+  },
+}
+
+export {
+  redirectTo,
+  navigateTo,
+  previewImage,
+  getSystemInfo,
+  getSystemInfoSync,
+  requestPayment,
+}