.

backend/services/identity-service/src/domain/value-objects/index.ts

@@ -6,7 +6,10 @@ import { wordlist } from '@scure/bip39/wordlists/english';
 // ============ UserId ============
 export class UserId {
   constructor(public readonly value: bigint) {
-    if (!value) throw new DomainError('UserId不能为空');
+    // 允许 0 作为临时值（表示未持久化的新账户）
+    if (value === null || value === undefined) {
+      throw new DomainError('UserId不能为空');
+    }
   }
 
   static create(value: bigint | string | number): UserId {

backend/services/identity-service/src/infrastructure/external/blockchain/wallet-generator.service.spec.ts

@@ -31,7 +31,7 @@ describe('WalletGeneratorService', () => {
   describe('generateWalletSystem', () => {
     it('应该生成完整的钱包系统', () => {
       const result = service.generateWalletSystem({
-        userId: 'test-user-id',
+        userId: '12345',
         deviceId: 'test-device-id',
       });
 
@@ -44,7 +44,7 @@ describe('WalletGeneratorService', () => {
 
     it('应该为所有链生成钱包地址', () => {
       const result = service.generateWalletSystem({
-        userId: 'test-user-id',
+        userId: '12345',
         deviceId: 'test-device-id',
       });
 
@@ -55,7 +55,7 @@ describe('WalletGeneratorService', () => {
 
     it('生成的 KAVA 地址应该有正确的格式', () => {
       const result = service.generateWalletSystem({
-        userId: 'test-user-id',
+        userId: '12345',
         deviceId: 'test-device-id',
       });
 
@@ -66,7 +66,7 @@ describe('WalletGeneratorService', () => {
 
     it('生成的 DST 地址应该有正确的格式', () => {
       const result = service.generateWalletSystem({
-        userId: 'test-user-id',
+        userId: '12345',
         deviceId: 'test-device-id',
       });
 
@@ -77,7 +77,7 @@ describe('WalletGeneratorService', () => {
 
     it('生成的 BSC 地址应该有正确的格式', () => {
       const result = service.generateWalletSystem({
-        userId: 'test-user-id',
+        userId: '12345',
         deviceId: 'test-device-id',
       });
 
@@ -88,12 +88,12 @@ describe('WalletGeneratorService', () => {
 
     it('每次生成的钱包应该不同', () => {
       const result1 = service.generateWalletSystem({
-        userId: 'test-user-id-1',
+        userId: '11111',
         deviceId: 'test-device-id-1',
       });
 
       const result2 = service.generateWalletSystem({
-        userId: 'test-user-id-2',
+        userId: '22222',
         deviceId: 'test-device-id-2',
       });
 
@@ -108,13 +108,13 @@ describe('WalletGeneratorService', () => {
     it('应该使用助记词恢复钱包系统', () => {
       // 先生成一个钱包系统
       const original = service.generateWalletSystem({
-        userId: 'test-user-id',
+        userId: '12345',
         deviceId: 'test-device-id',
       });
 
       // 使用助记词恢复
       const recovered = service.recoverWalletSystem({
-        userId: 'test-user-id',
+        userId: '12345',
         mnemonic: original.mnemonic,
         deviceId: 'new-device-id',
       });
@@ -135,18 +135,18 @@ describe('WalletGeneratorService', () => {
 
     it('不同设备应该生成相同的地址（相同助记词）', () => {
       const original = service.generateWalletSystem({
-        userId: 'test-user-id',
+        userId: '12345',
         deviceId: 'device-1',
       });
 
       const recovered1 = service.recoverWalletSystem({
-        userId: 'test-user-id',
+        userId: '12345',
         mnemonic: original.mnemonic,
         deviceId: 'device-2',
       });
 
       const recovered2 = service.recoverWalletSystem({
-        userId: 'test-user-id',
+        userId: '12345',
         mnemonic: original.mnemonic,
         deviceId: 'device-3',
       });
@@ -193,7 +193,7 @@ describe('WalletGeneratorService', () => {
   describe('verifyMnemonic', () => {
     it('应该验证正确的助记词', () => {
       const result = service.generateWalletSystem({
-        userId: 'test-user-id',
+        userId: '12345',
         deviceId: 'test-device-id',
       });
 
@@ -209,12 +209,12 @@ describe('WalletGeneratorService', () => {
 
     it('应该拒绝错误的助记词', () => {
       const result1 = service.generateWalletSystem({
-        userId: 'test-user-id-1',
+        userId: '11111',
         deviceId: 'test-device-id-1',
       });
 
       const result2 = service.generateWalletSystem({
-        userId: 'test-user-id-2',
+        userId: '22222',
         deviceId: 'test-device-id-2',
       });