diff --git a/backend/services/docker-compose.2.0.yml b/backend/services/docker-compose.2.0.yml
index 3f18ae41..9b6fbf84 100644
--- a/backend/services/docker-compose.2.0.yml
+++ b/backend/services/docker-compose.2.0.yml
@@ -240,6 +240,7 @@ services:
       AUTH_SERVICE_URL: http://auth-service:3024
       MINING_ADMIN_SERVICE_URL: http://mining-admin-service:3023
       MINING_BLOCKCHAIN_SERVICE_URL: http://mining-blockchain-service:3026
+      CONTRIBUTION_SERVICE_URL: http://contribution-service:3020
       # JWT 配置 (与 auth-service 共享密钥以验证 token)
       JWT_SECRET: ${JWT_SECRET:-your-jwt-secret-change-in-production}
       # 做市商钱包 (MPC) - 初始化时写入数据库