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ruoyi-system/src/main/java/com/ruoyi/jarvis/service/impl/BatchPublishServiceImpl.java

@@ -922,7 +922,8 @@ private String cleanForbiddenPhrases(String text) {
             // 调用ERP上架接口
             ProductPublishRequest publishRequest = new ProductPublishRequest(account);
             publishRequest.setProductId(item.getProductId());
-            publishRequest.setUserName(commonParams.getUserName());
+            // 【修复】使用商品对应的子账号，而不是通用参数中的第一个子账号
+            publishRequest.setUserName(item.getSubAccount() != null ? item.getSubAccount() : commonParams.getUserName());
             publishRequest.setSpecifyPublishTime(null); // 立即上架
             
             String resp = publishRequest.getResponseBody();