diff --git a/rc-service/rc-service-other/other-domain/src/main/java/com/red/circle/other/domain/gateway/user/ability/RegisterDeviceGateway.java b/rc-service/rc-service-other/other-domain/src/main/java/com/red/circle/other/domain/gateway/user/ability/RegisterDeviceGateway.java
index 24d0d58b..bb1967f0 100644
--- a/rc-service/rc-service-other/other-domain/src/main/java/com/red/circle/other/domain/gateway/user/ability/RegisterDeviceGateway.java
+++ b/rc-service/rc-service-other/other-domain/src/main/java/com/red/circle/other/domain/gateway/user/ability/RegisterDeviceGateway.java
@@ -46,4 +46,13 @@ public interface RegisterDeviceGateway {
    * @return 设备指纹MD5字符串
    */
   String getEnhancedDeviceFingerprintByUserId(Long userId);
+
+  /**
+   * 检查用户设备名单状态.
+   * 黑名单返回 "BLOCK"，白名单返回 ""，未设置返回 null.
+   *
+   * @param userId 用户ID
+   * @return 名单状态字符串
+   */
+  String checkDeviceListStatus(Long userId);
 }
diff --git a/rc-service/rc-service-other/other-infrastructure/src/main/java/com/red/circle/other/infra/database/rds/entity/user/user/UserExpand.java b/rc-service/rc-service-other/other-infrastructure/src/main/java/com/red/circle/other/infra/database/rds/entity/user/user/UserExpand.java
index 31167e8d..3106d580 100644
--- a/rc-service/rc-service-other/other-infrastructure/src/main/java/com/red/circle/other/infra/database/rds/entity/user/user/UserExpand.java
+++ b/rc-service/rc-service-other/other-infrastructure/src/main/java/com/red/circle/other/infra/database/rds/entity/user/user/UserExpand.java
@@ -77,4 +77,10 @@ public class UserExpand extends TimestampBaseEntity {
   @TableField("register_country_code")
   private String registerCountryCode;
 
+  /**
+   * 设备名单标记: true-黑名单 false-白名单 null-不限制.
+   */
+  @TableField("device_list_block")
+  private Boolean deviceListBlock;
+
 }
diff --git a/rc-service/rc-service-other/other-infrastructure/src/main/java/com/red/circle/other/infra/database/rds/service/user/user/ExpandService.java b/rc-service/rc-service-other/other-infrastructure/src/main/java/com/red/circle/other/infra/database/rds/service/user/user/ExpandService.java
index dcdfca43..7363c288 100644
--- a/rc-service/rc-service-other/other-infrastructure/src/main/java/com/red/circle/other/infra/database/rds/service/user/user/ExpandService.java
+++ b/rc-service/rc-service-other/other-infrastructure/src/main/java/com/red/circle/other/infra/database/rds/service/user/user/ExpandService.java
@@ -123,4 +123,13 @@ public interface ExpandService extends BaseService<UserExpand> {
    * @return list
    */
   List<ActiveUserCountryCodeDTO> findLatestActiveUserCountryCode(LocalDateTime lastActiveTime);
+
+  /**
+   * 查询用户设备名单状态.
+   * 返回 null 表示不限制， true 表示黑名单， false 表示白名单.
+   *
+   * @param userId 用户id
+   * @return 名单标记
+   */
+  Boolean getDeviceListBlock(Long userId);
 }
diff --git a/rc-service/rc-service-other/other-infrastructure/src/main/java/com/red/circle/other/infra/database/rds/service/user/user/impl/ExpandServiceImpl.java b/rc-service/rc-service-other/other-infrastructure/src/main/java/com/red/circle/other/infra/database/rds/service/user/user/impl/ExpandServiceImpl.java
index 2dcd809a..9f013b8f 100644
--- a/rc-service/rc-service-other/other-infrastructure/src/main/java/com/red/circle/other/infra/database/rds/service/user/user/impl/ExpandServiceImpl.java
+++ b/rc-service/rc-service-other/other-infrastructure/src/main/java/com/red/circle/other/infra/database/rds/service/user/user/impl/ExpandServiceImpl.java
@@ -152,8 +152,19 @@ public class ExpandServiceImpl extends BaseServiceImpl<ExpandDAO, UserExpand> im
   @Override
   public List<ActiveUserCountryCodeDTO> findLatestActiveUserCountryCode(
       LocalDateTime lastActiveTime) {
-    return findLatestActiveUserCountryCode(lastActiveTime);
+//    return findLatestActiveUserCountryCode(lastActiveTime);
+    return null;
   }
 
+  @Override
+  public Boolean getDeviceListBlock(Long userId) {
+    return Optional.ofNullable(
+            query().select(UserExpand::getDeviceListBlock)
+                .eq(UserExpand::getUserId, userId)
+                .last(PageConstant.LIMIT_ONE)
+                .getOne())
+        .map(UserExpand::getDeviceListBlock)
+        .orElse(null);
+  }
 
 }
diff --git a/rc-service/rc-service-other/other-infrastructure/src/main/java/com/red/circle/other/infra/gateway/user/RegisterDeviceGatewayImpl.java b/rc-service/rc-service-other/other-infrastructure/src/main/java/com/red/circle/other/infra/gateway/user/RegisterDeviceGatewayImpl.java
index 790d1d1a..56e25c85 100644
--- a/rc-service/rc-service-other/other-infrastructure/src/main/java/com/red/circle/other/infra/gateway/user/RegisterDeviceGatewayImpl.java
+++ b/rc-service/rc-service-other/other-infrastructure/src/main/java/com/red/circle/other/infra/gateway/user/RegisterDeviceGatewayImpl.java
@@ -81,6 +81,10 @@ public class RegisterDeviceGatewayImpl implements RegisterDeviceGateway {
 
   @Override
   public String getDeviceFingerprintByUserId(Long userId) {
+    String status = checkDeviceListStatus(userId);
+    if (status != null) {
+      return status;
+    }
     return latestMobileDeviceService.getDeviceFingerprintByUserId(userId);
   }
 
@@ -90,6 +94,11 @@ public class RegisterDeviceGatewayImpl implements RegisterDeviceGateway {
       return false;
     }
 
+    String status = checkDeviceListStatus(userId);
+    if (status != null) {
+      return "BLOCK".equals(status);
+    }
+
     com.red.circle.other.domain.model.user.UserProfile userProfile = userProfileGateway.getByUserId(userId);
     if (userProfile == null) {
       return false;
@@ -132,7 +141,20 @@ public class RegisterDeviceGatewayImpl implements RegisterDeviceGateway {
 
   @Override
   public String getEnhancedDeviceFingerprintByUserId(Long userId) {
+    String status = checkDeviceListStatus(userId);
+    if (status != null) {
+      return status;
+    }
     return latestMobileDeviceService.getEnhancedDeviceFingerprintByUserId(userId);
   }
 
+  @Override
+  public String checkDeviceListStatus(Long userId) {
+    Boolean deviceListBlock = expandService.getDeviceListBlock(userId);
+    if (deviceListBlock == null) {
+      return null;
+    }
+    return deviceListBlock ? "BLOCK" : "";
+  }
+
 }