diff --git a/payment-spring-boot-autoconfigure/src/main/java/cn/felord/payment/wechat/v3/WechatBatchTransferApi.java b/payment-spring-boot-autoconfigure/src/main/java/cn/felord/payment/wechat/v3/WechatBatchTransferApi.java
index 886c165..b0d15aa 100644
--- a/payment-spring-boot-autoconfigure/src/main/java/cn/felord/payment/wechat/v3/WechatBatchTransferApi.java
+++ b/payment-spring-boot-autoconfigure/src/main/java/cn/felord/payment/wechat/v3/WechatBatchTransferApi.java
@@ -82,8 +82,10 @@ public class WechatBatchTransferApi extends AbstractApi {
         List<CreateBatchTransferParams.TransferDetailListItem> encrypted = transferDetailList.stream()
                 .peek(transferDetailListItem -> {
                     String userName = transferDetailListItem.getUserName();
-                    String encryptedUserName = signatureProvider.encryptRequestMessage(userName, x509Certificate);
-                    transferDetailListItem.setUserName(encryptedUserName);
+                    if (StringUtils.hasText(userName)){
+                        String encryptedUserName = signatureProvider.encryptRequestMessage(userName, x509Certificate);
+                        transferDetailListItem.setUserName(encryptedUserName);
+                    }
                     String userIdCard = transferDetailListItem.getUserIdCard();
                     if (StringUtils.hasText(userIdCard)) {
                         String encryptedUserIdCard = signatureProvider.encryptRequestMessage(userIdCard, x509Certificate);
@@ -110,20 +112,7 @@ public class WechatBatchTransferApi extends AbstractApi {
     public WechatResponseEntity<ObjectNode> queryBatchByBatchId(QueryBatchTransferParams queryBatchTransferParams) {
         WechatResponseEntity<ObjectNode> wechatResponseEntity = new WechatResponseEntity<>();
         this.client().withType(WechatPayV3Type.BATCH_TRANSFER_BATCH_ID, queryBatchTransferParams)
-                .function((type, params) -> {
-                    MultiValueMap<String, String> queryParams = new LinkedMultiValueMap<>();
-                    queryParams.add("need_query_detail", params.getNeedQueryDetail().toString());
-                    queryParams.add("offset", params.getOffset().toString());
-                    queryParams.add("limit", params.getLimit().toString());
-                    queryParams.add("detail_status", params.getDetailStatus().name());
-
-                    URI uri = UriComponentsBuilder.fromHttpUrl(type.uri(WeChatServer.CHINA))
-                            .queryParams(queryParams)
-                            .build()
-                            .expand(params.getCode())
-                            .toUri();
-                    return Get(uri);
-                })
+                .function(this::apply)
                 .consumer(wechatResponseEntity::convert)
                 .request();
         return wechatResponseEntity;
@@ -402,4 +391,19 @@ public class WechatBatchTransferApi extends AbstractApi {
                 .request();
         return wechatResponseEntity;
     }
+
+    private RequestEntity<?> apply(WechatPayV3Type type, QueryBatchTransferParams params) {
+        MultiValueMap<String, String> queryParams = new LinkedMultiValueMap<>();
+        queryParams.add("need_query_detail", params.getNeedQueryDetail().toString());
+        queryParams.add("offset", params.getOffset().toString());
+        queryParams.add("limit", params.getLimit().toString());
+        queryParams.add("detail_status", params.getDetailStatus().name());
+
+        URI uri = UriComponentsBuilder.fromHttpUrl(type.uri(WeChatServer.CHINA))
+                .queryParams(queryParams)
+                .build()
+                .expand(params.getCode())
+                .toUri();
+        return Get(uri);
+    }
 }