diff --git a/rc-service/rc-service-other/other-application/src/main/java/com/red/circle/other/app/service/user/impl/UserFreightBalanceRestServiceImpl.java b/rc-service/rc-service-other/other-application/src/main/java/com/red/circle/other/app/service/user/impl/UserFreightBalanceRestServiceImpl.java
index a05a62e1..24e1d59b 100644
--- a/rc-service/rc-service-other/other-application/src/main/java/com/red/circle/other/app/service/user/impl/UserFreightBalanceRestServiceImpl.java
+++ b/rc-service/rc-service-other/other-application/src/main/java/com/red/circle/other/app/service/user/impl/UserFreightBalanceRestServiceImpl.java
@@ -1,10 +1,14 @@
 package com.red.circle.other.app.service.user.impl;
 
+import com.baomidou.mybatisplus.core.toolkit.StringUtils;
 import com.red.circle.common.business.dto.cmd.AppExtCommand;
 import com.red.circle.framework.core.asserts.ResponseAssert;
 import com.red.circle.framework.dto.PageResult;
 import com.red.circle.other.app.convertor.UserFreightBalanceConvertor;
+import com.red.circle.other.app.dto.clientobject.sys.AppCountryCodeCO;
+import com.red.circle.other.app.dto.clientobject.sys.CountryCodeCO;
 import com.red.circle.other.app.dto.clientobject.user.UserFreightBalanceCO;
+import com.red.circle.other.app.service.sys.AppConfigService;
 import com.red.circle.other.app.service.user.UserFreightBalanceRestService;
 import com.red.circle.other.domain.gateway.user.UserProfileGateway;
 import com.red.circle.other.inner.endpoint.user.user.UserProfileClient;
@@ -36,6 +40,7 @@ public class UserFreightBalanceRestServiceImpl implements UserFreightBalanceRest
 
   private final FreightGoldClient freightGoldClient;
   private final UserProfileClient userProfileClient;
+  private final AppConfigService appConfigService;
   private final UserProfileGateway userProfileGateway;
   private final UserFreightBalanceConvertor userFreightBalanceConvertor;
 
@@ -65,7 +70,13 @@ public class UserFreightBalanceRestServiceImpl implements UserFreightBalanceRest
     // 4. 查询交易次数（type=1）
     Map<Long, Long> transactionCountMap = freightGoldClient.mapTransactionCountByUserIds(userIds).getBody();
 
-    // 5. 转换并组装数据
+    // 5. 获取支持的国家配置
+    AppCountryCodeCO appCountryCode = appConfigService.getAppCountryCode();
+    
+    // 构建国家代码到国旗URL的映射
+    Map<String, String> countryFlagMap = buildCountryFlagMap(appCountryCode);
+
+    // 6. 转换并组装数据
     return freightPageResult.convert(dto -> {
       UserFreightBalanceCO co = userFreightBalanceConvertor.toUserFreightBalanceCO(dto);
       co.setBalance(dto.getBalance());
@@ -85,8 +96,58 @@ public class UserFreightBalanceRestServiceImpl implements UserFreightBalanceRest
           Optional.ofNullable(transactionCountMap.get(dto.getUserId())).orElse(0L)
       );
       
+      // 匹配并设置国旗URL
+      co.setNationalFlag(matchNationalFlag(dto.getSupportedCountries(), countryFlagMap));
+      
       return co;
     });
   }
 
+  /**
+   * 构建国家代码到国旗URL的映射.
+   */
+  private Map<String, String> buildCountryFlagMap(AppCountryCodeCO appCountryCode) {
+    if (appCountryCode == null || appCountryCode.getOpenCountry() == null) {
+      return Map.of();
+    }
+    
+    return appCountryCode.getOpenCountry().stream()
+        .filter(country -> StringUtils.isNotBlank(country.getCountryName()) && StringUtils.isNotBlank(country.getNationalFlag()))
+        .collect(Collectors.toMap(
+            CountryCodeCO::getCountryName,
+            CountryCodeCO::getNationalFlag,
+            (existing, replacement) -> existing
+        ));
+  }
+
+  /**
+   * 匹配国旗URL.
+   * 
+   * @param supportedCountries 支持的国家（逗号分隔）
+   * @param countryFlagMap 国家代码到国旗URL的映射
+   * @return 所有匹配的国旗URL（逗号分隔），如果没有匹配则返回空字符串
+   */
+  private String matchNationalFlag(String supportedCountries, Map<String, String> countryFlagMap) {
+    if (supportedCountries == null || supportedCountries.isEmpty() || countryFlagMap.isEmpty()) {
+      return "";
+    }
+    
+    // 分割支持的国家代码
+    String[] countries = supportedCountries.split(",");
+    
+    // 收集所有匹配到的国旗URL
+    StringBuilder flagUrls = new StringBuilder();
+    for (String country : countries) {
+      String countryCode = country.trim();
+      if (countryFlagMap.containsKey(countryCode)) {
+        if (!flagUrls.isEmpty()) {
+          flagUrls.append(",");
+        }
+        flagUrls.append(countryFlagMap.get(countryCode));
+      }
+    }
+    
+    return flagUrls.toString();
+  }
+
 }
diff --git a/rc-service/rc-service-other/other-client/src/main/java/com/red/circle/other/app/dto/clientobject/user/UserFreightBalanceCO.java b/rc-service/rc-service-other/other-client/src/main/java/com/red/circle/other/app/dto/clientobject/user/UserFreightBalanceCO.java
index 4bd25560..ea8b48e4 100644
--- a/rc-service/rc-service-other/other-client/src/main/java/com/red/circle/other/app/dto/clientobject/user/UserFreightBalanceCO.java
+++ b/rc-service/rc-service-other/other-client/src/main/java/com/red/circle/other/app/dto/clientobject/user/UserFreightBalanceCO.java
@@ -128,4 +128,9 @@ public class UserFreightBalanceCO extends ClientObject {
    */
   private UserProfileDTO userBaseInfo;
 
+  /**
+   * 支持的国家国旗URL列表（根据supportedCountries匹配所有国旗，逗号分隔）.
+   */
+  private String nationalFlag;
+
 }