diff --git a/safety-eval-infrastructure/src/main/java/org/qinan/safetyeval/infrastructure/remote/SmsRemote.java b/safety-eval-infrastructure/src/main/java/org/qinan/safetyeval/infrastructure/remote/SmsRemote.java
index 2c67665..e849b0f 100644
--- a/safety-eval-infrastructure/src/main/java/org/qinan/safetyeval/infrastructure/remote/SmsRemote.java
+++ b/safety-eval-infrastructure/src/main/java/org/qinan/safetyeval/infrastructure/remote/SmsRemote.java
@@ -96,8 +96,7 @@ public class SmsRemote {
         return SingleResponse.of(bizId);
     }
 
-    public SingleResponse<String> signValidCode(String mobile, String validCode) {
-        String bizId = cn.hutool.core.lang.UUID.fastUUID().toString();
+    public SingleResponse<String> signValidCode(String bizId, String validCode) {
         Object code = redisService.get(bizId);
         if (code == null) {
             throw new BizException(SMS_CODE_EXPIRED);