diff --git a/backend/services/identity-service/prisma/seed.ts b/backend/services/identity-service/prisma/seed.ts
index 79819311..b5e23f60 100644
--- a/backend/services/identity-service/prisma/seed.ts
+++ b/backend/services/identity-service/prisma/seed.ts
@@ -23,27 +23,34 @@ const ADMIN_ACCOUNTS = [
 const SYSTEM_ACCOUNTS = [
   {
     userId: BigInt(1),
+    accountSequence: 'SYSTEM00001',  // 系统种子用户（用于注册推荐码）
+    nickname: '系统',
+    referralCode: 'GENESIS',
+    status: 'ACTIVE',
+  },
+  {
+    userId: BigInt(2),
     accountSequence: 'S0000000001',  // 总部社区
     nickname: '总部社区',
     referralCode: 'HQ000001',
     status: 'SYSTEM',
   },
   {
-    userId: BigInt(2),
+    userId: BigInt(3),
     accountSequence: 'S0000000002',  // 成本费账户
     nickname: '成本费账户',
     referralCode: 'COST0002',
     status: 'SYSTEM',
   },
   {
-    userId: BigInt(3),
+    userId: BigInt(4),
     accountSequence: 'S0000000003',  // 运营费账户
     nickname: '运营费账户',
     referralCode: 'OPER0003',
     status: 'SYSTEM',
   },
   {
-    userId: BigInt(4),
+    userId: BigInt(5),
     accountSequence: 'S0000000004',  // RWAD底池账户
     nickname: 'RWAD底池账户',
     referralCode: 'POOL0004',
@@ -114,7 +121,7 @@ async function main() {
 
   console.log('Database seeded successfully!');
   console.log(`- Initialized account sequence generator for date ${dateKey}`);
-  console.log(`- Created ${SYSTEM_ACCOUNTS.length} system accounts (S0000000001-S0000000004)`);
+  console.log(`- Created ${SYSTEM_ACCOUNTS.length} system accounts (including GENESIS seed user)`);
   console.log(`- Created ${ADMIN_ACCOUNTS.length} admin accounts`);
 }