diff --git a/pmapi/src/main/java/com/ningdatech/pmapi/sms/manage/SmsManage.java b/pmapi/src/main/java/com/ningdatech/pmapi/sms/manage/SmsManage.java
index 5c6fb2e..38a2274 100644
--- a/pmapi/src/main/java/com/ningdatech/pmapi/sms/manage/SmsManage.java
+++ b/pmapi/src/main/java/com/ningdatech/pmapi/sms/manage/SmsManage.java
@@ -23,6 +23,7 @@ import org.springframework.util.Assert;
 import java.time.Duration;
 import java.time.LocalDateTime;
 import java.util.Collections;
+import java.util.Objects;
 
 /**
  * @author liuxinxin
@@ -81,7 +82,7 @@ public class SmsManage {
 
         cachePlusOps.set(new CacheKey(cacheKey, Duration.ofMinutes(verificationCodeTypeEnum.getExpireTime())), cache);
         String limitKey = SmsRedisKeyUtils.smsSendLimitKey(verificationCodeTypeEnum, request.getMobile());
-        if (StringUtils.isNotBlank(cachePlusOps.get(limitKey))) {
+        if (Objects.nonNull(cachePlusOps.get(limitKey))) {
             long limitCount = cachePlusOps.incr(new CacheKey(limitKey, Duration.ofSeconds(DateUtil.restSecondsFromNowToNoon())));
             // 超出单日发送次数之后直接锁定
             if (limitCount >= verificationCodeTypeEnum.getSendTimesByDay().longValue()) {