diff --git a/backend/services/wallet-service/src/infrastructure/external/identity/identity-client.service.ts b/backend/services/wallet-service/src/infrastructure/external/identity/identity-client.service.ts
index 6e078db3..1b29fe8d 100644
--- a/backend/services/wallet-service/src/infrastructure/external/identity/identity-client.service.ts
+++ b/backend/services/wallet-service/src/infrastructure/external/identity/identity-client.service.ts
@@ -150,7 +150,8 @@ export class IdentityClientService {
         },
       );
 
-      const valid = response.data?.valid ?? false;
+      this.logger.log(`提取短信验证码响应: userId=${userId}, status=${response.status}, data=${JSON.stringify(response.data)}`);
+      const valid = response.data?.valid === true;
       this.logger.log(`提取短信验证码验证结果: userId=${userId}, valid=${valid}`);
 
       return valid;