新需求更新 同步更新

backend-java/src/main/java/com/nanri/aiimage/modules/pricetrack/service/PriceTrackTaskService.java

@@ -63,6 +63,7 @@ public class PriceTrackTaskService {
     private static final String MODULE_TYPE = "PRICE_TRACK";
     private static final String CONTENT_TYPE_XLSX = "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet";
     private static final String ASIN_ROWS_PAYLOAD_SCOPE = "price-track-asin-rows";
+    private static final String NO_USABLE_ROWS_ERROR = "未收到有效跟价数据，未生成结果文件";
 
     private final FileTaskMapper fileTaskMapper;
     private final FileResultMapper fileResultMapper;
@@ -1907,7 +1908,7 @@ public class PriceTrackTaskService {
         if (payload != null && hasText(payload.getError())) {
             return payload.getError().trim();
         }
-        return "no usable price-track rows received";
+        return NO_USABLE_ROWS_ERROR;
     }
     private String firstNonBlank(String preferred, String fallback) {
         if (preferred != null && !preferred.isBlank()) {