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 af085dc1..10542479 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
@@ -238,6 +238,8 @@ public class QgcExportServiceImpl implements IQgcExportService {
     /**
      * 注册顺序决定 Sheet 在 Excel 中的顺序：
      * 水质指标（水温→PH→溶解氧→电导率→浊度）→ 河道水情（流速→流量→水位）
+     * <p>
+     * 支持别名：前端传 "wq" 等价于传 "wtmp,ph,dox,cond,tu"。
      */
     private List<ExportIndicatorProcessor> resolveProcessors(List<String> dataFields) {
         Map<String, ExportIndicatorProcessor> processorMap = new LinkedHashMap<>();
@@ -252,10 +254,20 @@ public class QgcExportServiceImpl implements IQgcExportService {
         processorMap.put("q", qProcessor);
         processorMap.put("z", zProcessor);
 
-        List<ExportIndicatorProcessor> result = new ArrayList<>();
+        // WQ 别名：展开为全部水质指标
+        List<String> expanded = new ArrayList<>();
         for (String field : dataFields) {
             String lower = field.trim().toLowerCase();
-            ExportIndicatorProcessor p = processorMap.get(lower);
+            if ("wq".equals(lower)) {
+                expanded.addAll(List.of("wtmp", "ph", "dox", "cond", "tu"));
+            } else {
+                expanded.add(lower);
+            }
+        }
+
+        List<ExportIndicatorProcessor> result = new ArrayList<>();
+        for (String field : expanded) {
+            ExportIndicatorProcessor p = processorMap.get(field);
             if (p != null) {
                 if (p instanceof RiverIndicatorProcessor) {
                     ((RiverIndicatorProcessor) p).setMappers(sdRiverRMapper, sdRiverdaySMapper);