diff --git a/main/manager-api/src/main/java/xiaozhi/modules/security/service/impl/CaptchaServiceImpl.java b/main/manager-api/src/main/java/xiaozhi/modules/security/service/impl/CaptchaServiceImpl.java
index 09c8a185..98b6d326 100644
--- a/main/manager-api/src/main/java/xiaozhi/modules/security/service/impl/CaptchaServiceImpl.java
+++ b/main/manager-api/src/main/java/xiaozhi/modules/security/service/impl/CaptchaServiceImpl.java
@@ -79,7 +79,10 @@ public class CaptchaServiceImpl implements CaptchaService {
     public void sendSMSValidateCode(String phone) {
         // 检查发送间隔
         String lastSendTimeKey = RedisKeys.getSMSLastSendTimeKey(phone);
-        String lastSendTime = (String) redisUtils.get(lastSendTimeKey);
+        // 获取是否发送过，如果没有设置最后发送时间（60秒）
+        String lastSendTime = redisUtils
+                .getKeyOrCreate(lastSendTimeKey,
+                        String.valueOf(System.currentTimeMillis()), 60L);
         if (lastSendTime != null) {
             long lastSendTimeLong = Long.parseLong(lastSendTime);
             long currentTime = System.currentTimeMillis();
@@ -114,9 +117,6 @@ public class CaptchaServiceImpl implements CaptchaService {
         // 设置验证码
         setCache(key, validateCodes);
 
-        // 设置最后发送时间（60秒）
-        redisUtils.set(lastSendTimeKey, String.valueOf(System.currentTimeMillis()), 60);
-
         // 更新今日发送次数
         if (todayCount == 0) {
             // 如果是今天第一次发送，设置24小时过期