diff --git a/backend/src/main/java/com/yfd/platform/qgc_base/controller/SdRvcdDicController.java b/backend/src/main/java/com/yfd/platform/qgc_base/controller/SdRvcdDicController.java
index 9a1c6bdc..4ee42f4c 100644
--- a/backend/src/main/java/com/yfd/platform/qgc_base/controller/SdRvcdDicController.java
+++ b/backend/src/main/java/com/yfd/platform/qgc_base/controller/SdRvcdDicController.java
@@ -102,4 +102,20 @@ public class SdRvcdDicController {
         boolean result = rvcdDicService.deleteRvcdDic(rvcd);
         return result ? ResponseResult.success("删除成功") : ResponseResult.error("删除失败");
     }
+
+    @GetMapping("/selectForDropdown")
+    @Operation(summary = "下拉框列表查询")
+    public ResponseResult selectForDropdown(
+            @RequestParam(required = false) String rvnm,
+            @RequestParam(required = false) String rvcd) {
+        return ResponseResult.successData(rvcdDicService.selectForDropdown(rvnm, rvcd));
+    }
+
+    @GetMapping("/regDropdown")
+    @Operation(summary = "下拉框列表查询(注册)")
+    public ResponseResult regDropdown(
+            @RequestParam(required = false) String rvnm,
+            @RequestParam(required = false) String rvcd) {
+        return ResponseResult.successData(rvcdDicService.regDropdown(rvnm, rvcd));
+    }
 }
diff --git a/backend/src/main/java/com/yfd/platform/qgc_base/service/ISdRvcdDicService.java b/backend/src/main/java/com/yfd/platform/qgc_base/service/ISdRvcdDicService.java
index 38e299f0..8eee4131 100644
--- a/backend/src/main/java/com/yfd/platform/qgc_base/service/ISdRvcdDicService.java
+++ b/backend/src/main/java/com/yfd/platform/qgc_base/service/ISdRvcdDicService.java
@@ -5,6 +5,7 @@ import com.baomidou.mybatisplus.extension.service.IService;
 import com.yfd.platform.qgc_base.domain.SdRvcdDic;
 
 import java.util.List;
+import java.util.Set;
 
 /**
  * <p>
@@ -43,10 +44,16 @@ public interface ISdRvcdDicService extends IService<SdRvcdDic> {
      */
     boolean deleteRvcdDic(String rvcd);
 
+    Set<String> getUserAuthorizedStationCodes();
+
     /**
      * 获取流域树形结构
      * @param rvcd 流域编码（可选，为空则返回全部）
      * @param rvnm 流域名称（可选，用于模糊搜索）
      */
     List<SdRvcdDic> getTree(String rvcd, String rvnm);
+
+    List<SdRvcdDic>  selectForDropdown(String rvnm, String rvcd);
+
+    List<SdRvcdDic>  regDropdown(String rvnm, String rvcd);
 }
diff --git a/backend/src/main/java/com/yfd/platform/qgc_base/service/impl/SdHbrvDicServiceImpl.java b/backend/src/main/java/com/yfd/platform/qgc_base/service/impl/SdHbrvDicServiceImpl.java
index dde43f59..6adc2def 100644
--- a/backend/src/main/java/com/yfd/platform/qgc_base/service/impl/SdHbrvDicServiceImpl.java
+++ b/backend/src/main/java/com/yfd/platform/qgc_base/service/impl/SdHbrvDicServiceImpl.java
@@ -96,7 +96,7 @@ public class SdHbrvDicServiceImpl extends ServiceImpl<SdHbrvDicMapper, SdHbrvDic
         wrapper.like(hbrvnm != null && !hbrvnm.isEmpty(), SdHbrvDic::getHbrvnm, hbrvnm)
                 .eq(baseid != null && !baseid.isEmpty(), SdHbrvDic::getBaseid, baseid)
                 .eq(SdHbrvDic::getEnabled, 1)
-                .orderByAsc(SdHbrvDic::getOrderIndex);
+                .orderByAsc(SdHbrvDic::getBaseid,SdHbrvDic::getOrderIndex);
         if("admin".equals(SecurityUtils.getCurrentUsername())){
             return this.list(wrapper);
         }
@@ -197,7 +197,7 @@ public class SdHbrvDicServiceImpl extends ServiceImpl<SdHbrvDicMapper, SdHbrvDic
                 .like(hbrvnm != null && !hbrvnm.isEmpty(), SdHbrvDic::getHbrvnm, hbrvnm)
                 .eq(baseid != null && !baseid.isEmpty(), SdHbrvDic::getBaseid, baseid)
                 .eq(SdHbrvDic::getEnabled, 1)
-                .orderByAsc(SdHbrvDic::getOrderIndex)
+                .orderByAsc(SdHbrvDic::getBaseid,SdHbrvDic::getOrderIndex)
                 .list();
     }
 }
\ No newline at end of file
diff --git a/backend/src/main/java/com/yfd/platform/qgc_base/service/impl/SdRvcdDicServiceImpl.java b/backend/src/main/java/com/yfd/platform/qgc_base/service/impl/SdRvcdDicServiceImpl.java
index 1b5bdc36..b962fdc6 100644
--- a/backend/src/main/java/com/yfd/platform/qgc_base/service/impl/SdRvcdDicServiceImpl.java
+++ b/backend/src/main/java/com/yfd/platform/qgc_base/service/impl/SdRvcdDicServiceImpl.java
@@ -1,10 +1,17 @@
 package com.yfd.platform.qgc_base.service.impl;
 
+import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
 import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
 import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
+import com.yfd.platform.qgc_base.domain.SdEngInfoBH;
 import com.yfd.platform.qgc_base.domain.SdRvcdDic;
+import com.yfd.platform.qgc_base.mapper.SdEngInfoBHMapper;
 import com.yfd.platform.qgc_base.mapper.SdRvcdDicMapper;
 import com.yfd.platform.qgc_base.service.ISdRvcdDicService;
+import com.yfd.platform.qgc_data.domain.SysUserDataScope;
+import com.yfd.platform.qgc_data.mapper.SysUserDataScopeMapper;
+import com.yfd.platform.utils.SecurityUtils;
+import jakarta.annotation.Resource;
 import org.springframework.stereotype.Service;
 import org.springframework.util.StringUtils;
 
@@ -19,6 +26,12 @@ import java.util.stream.Collectors;
 @Service
 public class SdRvcdDicServiceImpl extends ServiceImpl<SdRvcdDicMapper, SdRvcdDic> implements ISdRvcdDicService {
 
+    @Resource
+    private SdEngInfoBHMapper engInfoBHMapper;
+
+    @Resource
+    private SysUserDataScopeMapper sysUserDataScopeMapper;
+
     @Override
     public Page<SdRvcdDic> queryPageList(Page<SdRvcdDic> page, String rvnm, String prvcd) {
         return this.page(page, this.lambdaQuery()
@@ -103,6 +116,120 @@ public class SdRvcdDicServiceImpl extends ServiceImpl<SdRvcdDicMapper, SdRvcdDic
         return result;
     }
 
+    @Override
+    public List<SdRvcdDic> selectForDropdown(String rvnm, String rvcd) {
+
+        LambdaQueryWrapper<SdRvcdDic> wrapper = new LambdaQueryWrapper<>();
+        wrapper.like(rvnm != null && !rvnm.isEmpty(), SdRvcdDic::getRvnm, rvnm)
+                .eq(rvcd != null && !rvcd.isEmpty(), SdRvcdDic::getRvcd, rvcd)
+                .eq(SdRvcdDic::getEnabled, 1)
+                .orderByAsc(SdRvcdDic::getBaseid,SdRvcdDic::getOrderIndex);
+        if("admin".equals(SecurityUtils.getCurrentUsername())){
+            return this.list(wrapper);
+        }
+        Set<String> authorizedStations = getUserAuthorizedStationCodes();
+        if (authorizedStations != null && !authorizedStations.isEmpty()) {
+            List<SdEngInfoBH> engInfos = engInfoBHMapper.selectList(
+                    new LambdaQueryWrapper<SdEngInfoBH>()
+                            .select(SdEngInfoBH::getRvcd)
+                            .in(SdEngInfoBH::getStcd, authorizedStations)
+            );
+            List<String> rvcds = engInfos.stream()
+                    .map(SdEngInfoBH::getRvcd)
+                    .filter(id -> id != null && !id.isEmpty())
+                    .distinct()
+                    .toList();
+
+            if (!rvcds.isEmpty()) {
+                List<SdRvcdDic> list = this.list(wrapper);
+                return list.stream()
+                        .filter(rvcdDic -> rvcds.contains(rvcdDic.getRvcd()))
+                        .collect(Collectors.toList());
+            } else {
+                return new ArrayList<>();
+            }
+        }else {
+            return new ArrayList<>();
+        }
+    }
+
+
+    @Override
+    public Set<String> getUserAuthorizedStationCodes() {
+        String userId = SecurityUtils.getUserId();
+        List<SysUserDataScope> sysUserDataScopes = sysUserDataScopeMapper.selectList(
+                new LambdaQueryWrapper<SysUserDataScope>()
+                        .eq(SysUserDataScope::getUserId, userId)
+                        .select(SysUserDataScope::getOrgId, SysUserDataScope::getOrgType)
+        );
+
+        if (sysUserDataScopes == null || sysUserDataScopes.isEmpty()) {
+            return new HashSet<>();
+        }
+
+
+        Set<String> stationCodes = new HashSet<>();
+        Set<String> basinCodes = new HashSet<>();
+
+        for (SysUserDataScope scope : sysUserDataScopes) {
+            String orgType = scope.getOrgType();
+            String orgId = scope.getOrgId();
+
+            if ("STATION".equals(orgType)) {
+                SdEngInfoBH station = engInfoBHMapper.selectById(orgId);
+                if (station != null) {
+                    if (station.getRvcd() != null) {
+                        basinCodes.add(station.getRvcd());
+                    }
+                    if (station.getStcd() != null) {
+                        stationCodes.add(station.getStcd());
+                    }
+
+                }
+            } else if ("RVCD".equals(orgType)) {
+                List<SdEngInfoBH> stationList = engInfoBHMapper.selectByRvcd(orgId);
+                if (stationList != null) {
+                    for (SdEngInfoBH station : stationList) {
+                        if (station.getStcd() != null) {
+                            stationCodes.add(station.getStcd());
+                        }
+                        if (station.getEnnm() != null) {
+                            basinCodes.add(station.getRvcd());
+                        }
+                    }
+                }
+
+            }
+        }
+        if (!stationCodes.isEmpty()) {
+            return stationCodes;
+        }
+
+        if (!basinCodes.isEmpty()) {
+            List<SdEngInfoBH> engInfos = engInfoBHMapper.selectList(
+                    new LambdaQueryWrapper<SdEngInfoBH>()
+                            .select(SdEngInfoBH::getStcd)
+                            .in(SdEngInfoBH::getRvcd, basinCodes)
+            );
+            return engInfos.stream()
+                    .map(SdEngInfoBH::getStcd)
+                    .collect(Collectors.toSet());
+        }
+
+        return stationCodes;
+    }
+
+
+    @Override
+    public List<SdRvcdDic> regDropdown(String rvnm, String rvcd) {
+        return this.lambdaQuery()
+                .like(rvnm != null && !rvnm.isEmpty(), SdRvcdDic::getRvnm, rvnm)
+                .eq(rvcd != null && !rvcd.isEmpty(), SdRvcdDic::getRvcd, rvcd)
+                .eq(SdRvcdDic::getEnabled, 1)
+                .orderByAsc(SdRvcdDic::getBaseid,SdRvcdDic::getOrderIndex)
+                .list();
+    }
+
     private void buildTreeRecursive(SdRvcdDic parent, Map<String, List<SdRvcdDic>> childrenMap, Set<String> rootRvcdSet) {
         List<SdRvcdDic> children = childrenMap.get(parent.getRvcd());
         if (children != null && !children.isEmpty()) {
diff --git a/backend/src/main/resources/mapper/data/FishDraftDataMapper.xml b/backend/src/main/resources/mapper/data/FishDraftDataMapper.xml
index a2e54147..442b5c8a 100644
--- a/backend/src/main/resources/mapper/data/FishDraftDataMapper.xml
+++ b/backend/src/main/resources/mapper/data/FishDraftDataMapper.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
         "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
-<mapper namespace="com.yfd.platform.data.mapper.FishDraftDataMapper">
+<mapper namespace="com.yfd.platform.qgc_data.mapper.FishDraftDataMapper">
 
     <resultMap id="BaseResultMap" type="com.yfd.platform.qgc_data.domain.FishDraftData">
         <id column="ID" property="id"/>
diff --git a/backend/src/main/resources/mapper/data/FishStatisticsMapper.xml b/backend/src/main/resources/mapper/data/FishStatisticsMapper.xml
index 53218609..8fa08150 100644
--- a/backend/src/main/resources/mapper/data/FishStatisticsMapper.xml
+++ b/backend/src/main/resources/mapper/data/FishStatisticsMapper.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
         "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
-<mapper namespace="com.yfd.platform.data.mapper.FishStatisticsMapper">
+<mapper namespace="com.yfd.platform.qgc_data.mapper.FishStatisticsMapper">
 
     <resultMap id="StatisticsResultMap" type="com.yfd.platform.qgc_data.domain.vo.FishStatisticsVO">
         <result column="USER_ID" property="userId"/>
diff --git a/backend/src/main/resources/mapper/data/ImportTaskRowMapper.xml b/backend/src/main/resources/mapper/data/ImportTaskRowMapper.xml
index 78a617a6..5278483b 100644
--- a/backend/src/main/resources/mapper/data/ImportTaskRowMapper.xml
+++ b/backend/src/main/resources/mapper/data/ImportTaskRowMapper.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
         "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
-<mapper namespace="com.yfd.platform.data.mapper.ImportTaskRowMapper">
+<mapper namespace="com.yfd.platform.qgc_data.mapper.ImportTaskRowMapper">
 
     <resultMap id="BaseResultMap" type="com.yfd.platform.qgc_data.domain.ImportTaskRow">
         <id column="ID" property="id"/>
diff --git a/backend/src/main/resources/mapper/data/SysUserDataScopeMapper.xml b/backend/src/main/resources/mapper/data/SysUserDataScopeMapper.xml
index b5d72bda..47fa5c30 100644
--- a/backend/src/main/resources/mapper/data/SysUserDataScopeMapper.xml
+++ b/backend/src/main/resources/mapper/data/SysUserDataScopeMapper.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
         "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
-<mapper namespace="com.yfd.platform.data.mapper.SysUserDataScopeMapper">
+<mapper namespace="com.yfd.platform.qgc_data.mapper.SysUserDataScopeMapper">
 
     <resultMap id="BaseResultMap" type="com.yfd.platform.qgc_data.domain.SysUserDataScope">
         <id column="ID" property="id"/>