统一将 bms_region 替换为 region，更新相关注释和文档以反映这一变化。

bms-back/bms-system/src/main/java/com/bms/price/domain/PrcZone.java

@@ -5,7 +5,7 @@ import java.util.Date;
 import com.fasterxml.jackson.annotation.JsonFormat;
 import lombok.Data;
 
-/** Zone under bms_region: prc_zone */
+/** Zone under region: prc_zone */
 @Data
 public class PrcZone implements Serializable
 {
@@ -25,6 +25,6 @@ public class PrcZone implements Serializable
     private Date updateTime;
     /** list display, not a table column */
     private Integer detailCount;
-    /** list display from bms_region */
+    /** list display from region */
     private String countryNameCn;
 }

bms-back/bms-system/src/main/java/com/bms/price/domain/PrcZoneRegion.java

@@ -4,7 +4,7 @@ import java.io.Serializable;
 import lombok.Data;
 
 /**
- * Zone country list row: bms_region + zone aggregates (not a table)
+ * Zone country list row: region + zone aggregates (not a table)
  */
 @Data
 public class PrcZoneRegion implements Serializable

bms-back/bms-system/src/main/java/com/bms/price/service/IBmsProductService.java

@@ -49,7 +49,7 @@ public interface IBmsProductService
      * The destination country is chosen by the user, not read from the sheet.
      *
      * @param file uploaded xlsx/xls
-     * @param countryCode ISO country code (bms_region.country_code_2)
+     * @param countryCode ISO country code (region.country_code_2)
      * @param operName operator
      * @return HTML result message
      */

bms-back/bms-system/src/main/java/com/bms/price/service/IPrcBillingTaskService.java

@@ -18,7 +18,7 @@ public interface IPrcBillingTaskService
     List<PrcBillingTask> selectList(PrcBillingTask query);
 
     /**
-     * Manual resync: reset to WAITING then process again.
+     * Manual resync: reset to WAITING then process again (including SUCCESS for correction).
      * @return task after retry
      */
     PrcBillingTask retryTask(Long taskId);

bms-back/bms-system/src/main/java/com/bms/price/service/IPrcZoneService.java

@@ -12,7 +12,7 @@ public interface IPrcZoneService
 
     public List<PrcZoneRegion> selectZoneRegionList(PrcZoneRegion query);
 
-    /** Delete all zones (and details) for the given bms_region ids */
+    /** Delete all zones (and details) for the given region ids */
     public int deleteZonesByRegionIds(Long[] regionIds);
 
     public PrcZone selectPrcZoneById(Long zoneId);

bms-back/bms-system/src/main/java/com/bms/price/service/impl/BmsProductServiceImpl.java

@@ -1179,7 +1179,7 @@ public class BmsProductServiceImpl implements IBmsProductService
     }
 
     /**
-     * Load bms_region map: country_name_cn -> region (for country_code_2).
+     * Load region map: country_name_cn -> region (for country_code_2).
      */
     private Map<String, BmsRegion> loadRegionByNameCn()
     {

bms-back/bms-system/src/main/java/com/bms/price/service/impl/PrcBillingTaskServiceImpl.java

@@ -342,12 +342,8 @@ public class PrcBillingTaskServiceImpl implements IPrcBillingTaskService
         {
             throw new ServiceException("billing task not found");
         }
-        String st = task.getSuccessStatus();
-        if (BillTaskSuccessStatus.SUCCESS.getCode().equals(st))
-        {
-            throw new ServiceException("SUCCESS task cannot retry");
-        }
-        // Reset to WAITING so UI reflects re-queue; then sync process (admin expects immediate result).
+        // Allow SUCCESS retry: billing result may be wrong and needs re-run.
+        // Reset to WAITING so processTask does not short-circuit on SUCCESS; then sync process.
         PrcBillingTask reset = new PrcBillingTask();
         reset.setTaskId(taskId);
         reset.setSuccessStatus(BillTaskSuccessStatus.WAITING.getCode());

bms-back/bms-system/src/main/java/com/bms/price/service/impl/PrcZoneServiceImpl.java

@@ -36,7 +36,7 @@ import com.bms.system.domain.BmsRegion;
 import com.bms.system.mapper.BmsRegionMapper;
 
 /**
- * Zone management: bms_region -> prc_zone -> postcode detail
+ * Zone management: region -> prc_zone -> postcode detail
  */
 @Service
 public class PrcZoneServiceImpl implements IPrcZoneService