diff --git a/ruoyi-admin/src/main/java/org/dromara/web/service/impl/PasswordAuthStrategy.java b/ruoyi-admin/src/main/java/org/dromara/web/service/impl/PasswordAuthStrategy.java
index cd33ea408..e9fbaabd4 100644
--- a/ruoyi-admin/src/main/java/org/dromara/web/service/impl/PasswordAuthStrategy.java
+++ b/ruoyi-admin/src/main/java/org/dromara/web/service/impl/PasswordAuthStrategy.java
@@ -4,6 +4,7 @@ import cn.dev33.satoken.secure.BCrypt;
 import cn.dev33.satoken.stp.SaLoginModel;
 import cn.dev33.satoken.stp.StpUtil;
 import cn.hutool.core.util.ObjectUtil;
+import cn.hutool.core.util.StrUtil;
 import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
@@ -34,6 +35,8 @@ import org.dromara.web.service.IAuthStrategy;
 import org.dromara.web.service.SysLoginService;
 import org.springframework.stereotype.Service;
 
+import java.util.Objects;
+
 /**
  * 密码认证策略
  *
@@ -95,7 +98,7 @@ public class PasswordAuthStrategy implements IAuthStrategy {
      * @param uuid     唯一标识
      */
     private void validateCaptcha(String tenantId, String username, String code, String uuid) {
-        String verifyKey = GlobalConstants.CAPTCHA_CODE_KEY + StringUtils.defaultString(uuid, "");
+        String verifyKey = GlobalConstants.CAPTCHA_CODE_KEY + Objects.toString(uuid, StrUtil.EMPTY);
         String captcha = RedisUtils.getCacheObject(verifyKey);
         RedisUtils.deleteObject(verifyKey);
         if (captcha == null) {