diff --git a/backend/src/main/java/com/yfd/platform/qgc_export/service/impl/QgcExportServiceImpl.java b/backend/src/main/java/com/yfd/platform/qgc_export/service/impl/QgcExportServiceImpl.java
index 637a7fbf..05089b7e 100644
--- a/backend/src/main/java/com/yfd/platform/qgc_export/service/impl/QgcExportServiceImpl.java
+++ b/backend/src/main/java/com/yfd/platform/qgc_export/service/impl/QgcExportServiceImpl.java
@@ -13,7 +13,6 @@ import com.yfd.platform.qgc_export.mapper.SdHydropwdaySMapper;
 import com.yfd.platform.qgc_export.mapper.SdQecRMapper;
 import com.yfd.platform.qgc_export.mapper.SdQecdaySMapper;
 import com.yfd.platform.qgc_export.mapper.StationMappingMapper;
-import com.yfd.platform.qgc_export.mapper.MsAlongdetBMapper;
 import com.yfd.platform.qgc_export.processor.*;
 import com.yfd.platform.qgc_export.service.IQgcExportService;
 import com.yfd.platform.qgc_eng.eq.entity.vo.EngEqRuleVo;
@@ -143,9 +142,6 @@ public class QgcExportServiceImpl implements IQgcExportService {
     @Resource
     private EngEqDataService engEqDataService;
 
-    @Resource
-    private MsAlongdetBMapper msAlongdetBMapper;
-
     private static final SimpleDateFormat SDF_TIME = new SimpleDateFormat("dd日 HH时");
     private static final SimpleDateFormat SDF = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
 
@@ -178,8 +174,10 @@ public class QgcExportServiceImpl implements IQgcExportService {
             return;
         }
 
-        // 4. 电站顺序：优先按沿程配置 MS_ALONG_B.ORDER_INDEX 排序，其余保持前端传入顺序
-        List<String> stationOrder = buildAlongSortedOrder(stationCodes, stationRes);
+        // 4. 电站顺序
+        List<String> stationOrder = new ArrayList<>(stationRes.displayNames.keySet());
+
+        // 5. 每月一个 ExcelData
         String timestamp = String.valueOf(System.currentTimeMillis());
         List<ExportZipUtil.ExcelData> excelList = new ArrayList<>();
         for (String month : months) {
@@ -190,7 +188,6 @@ public class QgcExportServiceImpl implements IQgcExportService {
             // 判断是否包含水质指标，后续用于追加 WQ 合规 Sheet
             boolean hasWqIndicator = false;
             for (ExportIndicatorProcessor processor : processors) {
-                String sttp = processor.getSttpType();
                 List<List<Object>> rows;
                 // QEC 自定义三栏达标率格式
                 if (processor instanceof QecProcessor) {
@@ -200,6 +197,7 @@ public class QgcExportServiceImpl implements IQgcExportService {
                 }
                 if (rows != null) {
                     List<String> headers;
+                    String sttp = processor.getSttpType();
                     if (processor instanceof QecProcessor) {
                         // 分部标题作为列标题（合并单元格）
                         String[] sectionTitles = {"生态流量达标率(环保部)", "生态流量达标率(水利部)", "生态流量达标率(多年平均)"};
@@ -826,47 +824,6 @@ public class QgcExportServiceImpl implements IQgcExportService {
         return result;
     }
 
-    /**
-     * 按沿程配置 MS_ALONG_B.ORDER_INDEX 排序电站列表。
-     * 有沿程配置的电站排前面，无配置的保持原有顺序排后面。
-     */
-    private List<String> buildAlongSortedOrder(List<String> rstcds, StationResolution stationRes) {
-        if (rstcds.isEmpty()) return Collections.emptyList();
-
-        // 查询沿程配置：MS_ALONGDET_B JOIN MS_ALONG_B，按 ORDER_INDEX, SORT 排序
-        List<Map<String, Object>> alongList = msAlongdetBMapper.selectAlongSortOrder(rstcds);
-        if (alongList.isEmpty()) {
-            return new ArrayList<>(stationRes.displayNames.keySet());
-        }
-
-        // 按 ORDER_INDEX 分组去重，保留每站的最小 ORDER_INDEX
-        Map<String, Integer> rstcdOrderMap = new LinkedHashMap<>();
-        for (Map<String, Object> row : alongList) {
-            String rstcd = (String) row.get("RSTCD");
-            Object orderIdx = row.get("ORDER_INDEX");
-            if (rstcd != null && orderIdx != null && !rstcdOrderMap.containsKey(rstcd)) {
-                rstcdOrderMap.put(rstcd, ((Number) orderIdx).intValue());
-            }
-        }
-
-        // 有沿程配置的电站按 ORDER_INDEX 升序，无配置的排后面
-        List<String> alongSorted = new ArrayList<>();
-        List<String> remaining = new ArrayList<>();
-        for (String rstcd : stationRes.displayNames.keySet()) {
-            if (rstcdOrderMap.containsKey(rstcd)) {
-                alongSorted.add(rstcd);
-            } else {
-                remaining.add(rstcd);
-            }
-        }
-        alongSorted.sort(Comparator.comparingInt(rstcdOrderMap::get));
-
-        List<String> result = new ArrayList<>(alongSorted);
-        result.addAll(remaining);
-        log.info("沿程排序完成，有沿程={}, 无沿程={}", alongSorted.size(), remaining.size());
-        return result;
-    }
-
     // ======================== 月份范围 ========================
 
     private MonthRange buildMonthRange(String month) {