diff --git a/fad-app/src/main/java/com/ruoyi/fadapp/service/impl/FadAppAuthServiceImpl.java b/fad-app/src/main/java/com/ruoyi/fadapp/service/impl/FadAppAuthServiceImpl.java
index bf6cb14..cc959d1 100644
--- a/fad-app/src/main/java/com/ruoyi/fadapp/service/impl/FadAppAuthServiceImpl.java
+++ b/fad-app/src/main/java/com/ruoyi/fadapp/service/impl/FadAppAuthServiceImpl.java
@@ -29,7 +29,6 @@ import java.time.Duration;
 public class FadAppAuthServiceImpl implements IFadAppAuthService {
 
     private final ISysUserService userService;
-    private final RedisUtils redisUtils;
     private final SysPermissionService permissionService;
 
     /**
@@ -59,7 +58,7 @@ public class FadAppAuthServiceImpl implements IFadAppAuthService {
         
         // 存储验证码到Redis（5分钟过期）
         String key = CODE_PREFIX + phone;
-        redisUtils.setCacheObject(key, code, Duration.ofMinutes(CODE_EXPIRE_MINUTES));
+        RedisUtils.setCacheObject(key, code, Duration.ofMinutes(CODE_EXPIRE_MINUTES));
 
         // 记录日志（实际项目中这里会调用短信服务）
         log.info("向手机号 {} 发送验证码: {}", phone, code);
@@ -79,7 +78,7 @@ public class FadAppAuthServiceImpl implements IFadAppAuthService {
 
         // 从Redis获取存储的验证码
         String key = CODE_PREFIX + phone;
-        String storedCode = redisUtils.getCacheObject(key);
+        String storedCode = RedisUtils.getCacheObject(key);
 
         if (storedCode == null) {
             throw new ServiceException("验证码已过期，请重新获取");
@@ -90,7 +89,7 @@ public class FadAppAuthServiceImpl implements IFadAppAuthService {
         }
 
         // 验证码验证通过，删除Redis中的验证码
-        redisUtils.deleteObject(key);
+        RedisUtils.deleteObject(key);
 
         // 查找或创建用户
         SysUser user = findOrCreateUser(phone);