diff --git a/backend/src/main/java/com/yfd/platform/qgc_data/service/impl/SysUserDataScopeServiceImpl.java b/backend/src/main/java/com/yfd/platform/qgc_data/service/impl/SysUserDataScopeServiceImpl.java
index 1f106acb..2ecb857f 100644
--- a/backend/src/main/java/com/yfd/platform/qgc_data/service/impl/SysUserDataScopeServiceImpl.java
+++ b/backend/src/main/java/com/yfd/platform/qgc_data/service/impl/SysUserDataScopeServiceImpl.java
@@ -172,6 +172,7 @@ public class SysUserDataScopeServiceImpl extends ServiceImpl<SysUserDataScopeMap
 
         // 3. 批量查询各类资源的名称
         Map<String, String> orgNameMap = new HashMap<>();
+        Map<String, String> rvcdOrderMap = new HashMap<>();
 
         // 3.1 查询流域名称 (BASIN)
         if (groupedByType.containsKey("RVCD")) {
@@ -181,8 +182,30 @@ public class SysUserDataScopeServiceImpl extends ServiceImpl<SysUserDataScopeMap
                     .collect(Collectors.toSet());
 
             if (CollUtil.isNotEmpty(rvcds)) {
-                List<SdRvcdDic> basins = rvcdDicMapper.selectBatchIds(rvcds);
-                basins.forEach(basin -> orgNameMap.put(basin.getRvcd(), basin.getRvnm()));
+                List<SdRvcdDic> dropdownBasins = rvcdDicMapper.selectRegDropdown(null, null);
+                Set<String> handledRvcds = new HashSet<>();
+                int dropdownOrder = 0;
+
+                for (SdRvcdDic basin : dropdownBasins) {
+                    dropdownOrder++;
+                    if (rvcds.contains(basin.getRvcd())) {
+                        orgNameMap.put(basin.getRvcd(), basin.getRvnm());
+                        rvcdOrderMap.put(basin.getRvcd(), String.format("%010d", dropdownOrder));
+                        handledRvcds.add(basin.getRvcd());
+                    }
+                }
+
+                Set<String> missingRvcds = rvcds.stream()
+                        .filter(rvcd -> !handledRvcds.contains(rvcd))
+                        .collect(Collectors.toSet());
+
+                if (CollUtil.isNotEmpty(missingRvcds)) {
+                    List<SdRvcdDic> basins = rvcdDicMapper.selectBatchIds(missingRvcds);
+                    basins.forEach(basin -> {
+                        orgNameMap.put(basin.getRvcd(), basin.getRvnm());
+                        rvcdOrderMap.put(basin.getRvcd(), String.format("ROOT-%010d", basin.getOrderIndex() == null ? Integer.MAX_VALUE : basin.getOrderIndex()));
+                    });
+                }
             }
         }
 
@@ -251,6 +274,21 @@ public class SysUserDataScopeServiceImpl extends ServiceImpl<SysUserDataScopeMap
             voList.add(vo);
         }
 
+        voList.sort((left, right) -> {
+            boolean leftRvcd = "RVCD".equals(left.getOrgType());
+            boolean rightRvcd = "RVCD".equals(right.getOrgType());
+            if (leftRvcd && rightRvcd) {
+                String leftKey = rvcdOrderMap.getOrDefault(left.getOrgId(), "9999999999");
+                String rightKey = rvcdOrderMap.getOrDefault(right.getOrgId(), "9999999999");
+                int compare = leftKey.compareTo(rightKey);
+                if (compare != 0) {
+                    return compare;
+                }
+                return StrUtil.nullToDefault(left.getOrgId(), "").compareTo(StrUtil.nullToDefault(right.getOrgId(), ""));
+            }
+            return 0;
+        });
+
         return voList;
     }