diff --git a/backend/api-gateway/kong.yml b/backend/api-gateway/kong.yml
index 15b3b331..5ae3921d 100644
--- a/backend/api-gateway/kong.yml
+++ b/backend/api-gateway/kong.yml
@@ -115,6 +115,10 @@ services:
         paths:
           - /api/v1/mpc
         strip_path: false
+      - name: mpc-party-api
+        paths:
+          - /api/v1/mpc-party
+        strip_path: false
 
   # ---------------------------------------------------------------------------
   # Leaderboard Service - 排行榜服务
diff --git a/backend/services/identity-service/src/infrastructure/external/mpc/mpc-client.service.ts b/backend/services/identity-service/src/infrastructure/external/mpc/mpc-client.service.ts
index bb52bdd8..0c214717 100644
--- a/backend/services/identity-service/src/infrastructure/external/mpc/mpc-client.service.ts
+++ b/backend/services/identity-service/src/infrastructure/external/mpc/mpc-client.service.ts
@@ -107,7 +107,7 @@ export class MpcClientService {
       // 调用 mpc-service 的 keygen 同步接口
       const response = await firstValueFrom(
         this.httpService.post<KeygenResult>(
-          `${this.mpcServiceUrl}/mpc-party/keygen/participate-sync`,
+          `${this.mpcServiceUrl}/api/v1/mpc-party/keygen/participate-sync`,
           {
             sessionId: request.sessionId,
             partyId: 'server-party',
@@ -157,7 +157,7 @@ export class MpcClientService {
       // 调用 mpc-service 的 signing 同步接口
       const response = await firstValueFrom(
         this.httpService.post<SigningResult>(
-          `${this.mpcServiceUrl}/mpc-party/signing/participate-sync`,
+          `${this.mpcServiceUrl}/api/v1/mpc-party/signing/participate-sync`,
           {
             sessionId: request.sessionId,
             partyId: 'server-party',