diff --git a/manager/src/main/java/org/jiayunet/controller/DictController.java b/manager/src/main/java/org/jiayunet/controller/DictController.java
new file mode 100644
index 0000000..b6208cd
--- /dev/null
+++ b/manager/src/main/java/org/jiayunet/controller/DictController.java
@@ -0,0 +1,50 @@
+package org.jiayunet.controller;
+
+import org.jiayunet.pojo.vo.RegionTreeVo;
+import org.jiayunet.pojo.vo.RegionVo;
+import org.jiayunet.service.DictService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.RestController;
+
+import java.util.List;
+
+/**
+ * 字典接口
+ *
+ * @author zk
+ */
+@RestController
+@RequestMapping("/dict")
+public class DictController {
+    @Autowired
+    private DictService dictService;
+
+    /**
+     * 获取全部地区树（省-市-区三层嵌套）
+     */
+    @GetMapping("/regions/tree")
+    public List<RegionTreeVo> getRegionTree() {
+        return dictService.getRegionTree();
+    }
+
+    /**
+     * 按父级查询地区列表
+     * @param parentCode 父级编码，不传=查省级
+     */
+    @GetMapping("/regions")
+    public List<RegionVo> getRegionsByParent(@RequestParam(required = false) String parentCode) {
+        return dictService.getRegionsByParent(parentCode);
+    }
+
+    /**
+     * 模糊搜索地区
+     * @param keyword 地区名关键字
+     */
+    @GetMapping("/regions/search")
+    public List<RegionVo> searchRegions(@RequestParam String keyword) {
+        return dictService.searchRegions(keyword);
+    }
+}
diff --git a/manager/src/main/java/org/jiayunet/pojo/vo/RegionTreeVo.java b/manager/src/main/java/org/jiayunet/pojo/vo/RegionTreeVo.java
new file mode 100644
index 0000000..44fad09
--- /dev/null
+++ b/manager/src/main/java/org/jiayunet/pojo/vo/RegionTreeVo.java
@@ -0,0 +1,20 @@
+package org.jiayunet.pojo.vo;
+
+import lombok.Data;
+
+import java.util.List;
+
+/**
+ * 地区树形VO
+ *
+ * @author zk
+ */
+@Data
+public class RegionTreeVo {
+    /** 地区编码 */
+    private String code;
+    /** 地区名称 */
+    private String name;
+    /** 子级地区列表 */
+    private List<RegionTreeVo> children;
+}
diff --git a/manager/src/main/java/org/jiayunet/pojo/vo/RegionVo.java b/manager/src/main/java/org/jiayunet/pojo/vo/RegionVo.java
new file mode 100644
index 0000000..39f851f
--- /dev/null
+++ b/manager/src/main/java/org/jiayunet/pojo/vo/RegionVo.java
@@ -0,0 +1,16 @@
+package org.jiayunet.pojo.vo;
+
+import lombok.Data;
+
+/**
+ * 地区VO（平铺结构）
+ *
+ * @author zk
+ */
+@Data
+public class RegionVo {
+    /** 地区编码 */
+    private String code;
+    /** 地区名称 */
+    private String name;
+}
diff --git a/manager/src/main/java/org/jiayunet/service/DictService.java b/manager/src/main/java/org/jiayunet/service/DictService.java
new file mode 100644
index 0000000..412a76b
--- /dev/null
+++ b/manager/src/main/java/org/jiayunet/service/DictService.java
@@ -0,0 +1,98 @@
+package org.jiayunet.service;
+
+import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
+import lombok.extern.slf4j.Slf4j;
+import org.jiayunet.mapper.ChinaRegionsCodeMapper;
+import org.jiayunet.pojo.po.ChinaRegionsCode;
+import org.jiayunet.pojo.vo.RegionTreeVo;
+import org.jiayunet.pojo.vo.RegionVo;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Map;
+import java.util.stream.Collectors;
+
+/**
+ * 字典服务
+ * <p>主要功能：地区、岗位分类、行业等字典数据查询</p>
+ * <p>依赖：无</p>
+ * <p>使用表：bg_china_regions_code、bg_job_category、bg_industry</p>
+ *
+ * @author zk
+ */
+@Slf4j
+@Service
+public class DictService {
+    @Autowired
+    private ChinaRegionsCodeMapper regionMapper;
+
+    /**
+     * 获取全部地区树（省-市-区三层嵌套）
+     * <p>1. 查询全部地区 2. 按provinceCode/cityCode分组 3. 构建三层树</p>
+     */
+    public List<RegionTreeVo> getRegionTree() {
+        List<ChinaRegionsCode> allRegions = regionMapper.selectList(null);
+        List<ChinaRegionsCode> provinces = allRegions.stream().filter(r -> r.getProvinceCode() == null).collect(Collectors.toList());
+        Map<String, List<ChinaRegionsCode>> citiesByProvince = allRegions.stream().filter(r -> r.getProvinceCode() != null && r.getCityCode() == null).collect(Collectors.groupingBy(ChinaRegionsCode::getProvinceCode));
+        Map<String, List<ChinaRegionsCode>> districtsByCity = allRegions.stream().filter(r -> r.getCityCode() != null).collect(Collectors.groupingBy(ChinaRegionsCode::getCityCode));
+        return provinces.stream().map(province -> {
+            RegionTreeVo provinceVo = new RegionTreeVo();
+            provinceVo.setCode(province.getCode());
+            provinceVo.setName(province.getName());
+            List<ChinaRegionsCode> cities = citiesByProvince.getOrDefault(province.getCode(), new ArrayList<>());
+            provinceVo.setChildren(cities.stream().map(city -> {
+                RegionTreeVo cityVo = new RegionTreeVo();
+                cityVo.setCode(city.getCode());
+                cityVo.setName(city.getName());
+                List<ChinaRegionsCode> districts = districtsByCity.getOrDefault(city.getCode(), new ArrayList<>());
+                cityVo.setChildren(districts.stream().map(district -> {
+                    RegionTreeVo districtVo = new RegionTreeVo();
+                    districtVo.setCode(district.getCode());
+                    districtVo.setName(district.getName());
+                    districtVo.setChildren(null);
+                    return districtVo;
+                }).collect(Collectors.toList()));
+                return cityVo;
+            }).collect(Collectors.toList()));
+            return provinceVo;
+        }).collect(Collectors.toList());
+    }
+
+    /**
+     * 按父级查询地区列表
+     * <p>parentCode为null查省级，否则查下一级（先尝试作为provinceCode查市，再尝试作为cityCode查区）</p>
+     */
+    public List<RegionVo> getRegionsByParent(String parentCode) {
+        List<ChinaRegionsCode> regions;
+        if (parentCode == null) {
+            regions = regionMapper.selectList(new LambdaQueryWrapper<ChinaRegionsCode>().isNull(ChinaRegionsCode::getProvinceCode));
+        } else {
+            regions = regionMapper.selectList(new LambdaQueryWrapper<ChinaRegionsCode>().eq(ChinaRegionsCode::getProvinceCode, parentCode).isNull(ChinaRegionsCode::getCityCode));
+            if (regions.isEmpty()) {
+                regions = regionMapper.selectList(new LambdaQueryWrapper<ChinaRegionsCode>().eq(ChinaRegionsCode::getCityCode, parentCode));
+            }
+        }
+        return regions.stream().map(r -> {
+            RegionVo vo = new RegionVo();
+            vo.setCode(r.getCode());
+            vo.setName(r.getName());
+            return vo;
+        }).collect(Collectors.toList());
+    }
+
+    /**
+     * 模糊搜索地区
+     * <p>按地区名关键字模糊查询</p>
+     */
+    public List<RegionVo> searchRegions(String keyword) {
+        List<ChinaRegionsCode> regions = regionMapper.selectList(new LambdaQueryWrapper<ChinaRegionsCode>().like(ChinaRegionsCode::getName, keyword));
+        return regions.stream().map(r -> {
+            RegionVo vo = new RegionVo();
+            vo.setCode(r.getCode());
+            vo.setName(r.getName());
+            return vo;
+        }).collect(Collectors.toList());
+    }
+}