diff --git a/backend/services/identity-service/src/application/services/user-application.service.ts b/backend/services/identity-service/src/application/services/user-application.service.ts
index 60e4b06a..1c417bec 100644
--- a/backend/services/identity-service/src/application/services/user-application.service.ts
+++ b/backend/services/identity-service/src/application/services/user-application.service.ts
@@ -483,7 +483,7 @@ export class UserApplicationService {
 
     // 发布用户资料更新事件
     const event = new UserProfileUpdatedEvent({
-      userId: account.id.value.toString(),
+      userId: account.userId.toString(),
       accountSequence: account.accountSequence.value,
       nickname: account.nickname,
       avatarUrl: account.avatarUrl,
@@ -1296,17 +1296,17 @@ export class UserApplicationService {
 
     const phoneNumber = PhoneNumber.create(command.phoneNumber);
 
-    // 验证验证码
-    const isValid = await this.smsService.verifySmsCode(
-      phoneNumber.value,
-      command.smsCode,
-      command.type,
-    );
+    // 从 Redis 获取验证码进行验证
+    const cacheKey = `sms:${command.type.toLowerCase()}:${phoneNumber.value}`;
+    const cachedCode = await this.redisService.get(cacheKey);
 
-    if (!isValid) {
+    if (!cachedCode || cachedCode !== command.smsCode) {
       throw new ApplicationError('验证码错误或已过期');
     }
 
+    // 验证成功后删除验证码
+    await this.redisService.delete(cacheKey);
+
     this.logger.log(`SMS code verified successfully for phone: ${this.maskPhoneNumber(command.phoneNumber)}`);
   }