diff --git a/src/main/java/com/example/demo/controller/coin/RechargeActivityCenterController.java b/src/main/java/com/example/demo/controller/coin/RechargeActivityCenterController.java
index ed77c18..a7b31bc 100644
--- a/src/main/java/com/example/demo/controller/coin/RechargeActivityCenterController.java
+++ b/src/main/java/com/example/demo/controller/coin/RechargeActivityCenterController.java
@@ -1,6 +1,7 @@
 package com.example.demo.controller.coin;
 
 import com.example.demo.config.interfac.Log;
+import com.example.demo.domain.vo.coin.AreaInfo;
 import com.example.demo.domain.vo.coin.Page;
 import com.example.demo.domain.vo.coin.RechargeActivity;
 import com.example.demo.domain.vo.coin.Result;
@@ -264,6 +265,53 @@ public class RechargeActivityCenterController {
     }
 
     /**
+     * 根据活动 ID 查询归属地
+     *
+     * @param activity 充值活动请求参数（包含活动 ID）
+     * @return 查询结果（成功返回归属地信息，失败返回错误信息）
+     * @throws NullPointerException     当活动 ID 为空时抛出
+     * @throws IllegalArgumentException 当活动 ID 无效时抛出
+     */
+    @Log("查询活动归属地")
+    @PostMapping("/queryActivityArea")
+    public Result queryActivityArea(@RequestBody RechargeActivity activity, @RequestHeader(defaultValue = "zh_CN") String lang) {
+        try {
+            // 解析语言代码
+            String languageCode = parseLanguageCode(lang);
+
+            if (activity.getId() == null) {
+                String errorMsg = languageTranslationUtil.translate("查询失败：活动 ID 不能为空", lang);
+                return Result.error(errorMsg);
+            }
+
+            AreaInfo result = rechargeActivityCenterService.queryActivityAreaById(activity.getId());
+
+            // 如果 area 为 "0"，直接返回
+            if ("0".equals(result.getArea())) {
+                return Result.success(result);
+            }
+
+            // 对返回结果进行多语言转换
+            if (result.getArea() != null && !result.getArea().isEmpty()) {
+                result.setArea(languageTranslationUtil.translate(result.getArea(), lang));
+            }
+            if (result.getAreaName() != null && !result.getAreaName().isEmpty()) {
+                result.setAreaName(languageTranslationUtil.translate(result.getAreaName(), lang));
+            }
+
+            return Result.success(result);
+        } catch (NullPointerException e) {
+            log.error("查询活动归属地失败：空指针异常", e);
+            String errorMsg = languageTranslationUtil.translate("查询失败：数据为空", lang);
+            return Result.error(errorMsg);
+        } catch (IllegalArgumentException e) {
+            log.error("查询活动归属地失败：参数异常", e);
+            String errorMsg = languageTranslationUtil.translate("查询失败：" + e.getMessage(), lang);
+            return Result.error(errorMsg);
+        }
+    }
+
+    /**
      * 转换充值活动的多语言字段
      */
     private void translateRechargeActivities(com.github.pagehelper.PageInfo<RechargeActivity> pageInfo, String lang) {
diff --git a/src/main/java/com/example/demo/domain/vo/coin/AreaInfo.java b/src/main/java/com/example/demo/domain/vo/coin/AreaInfo.java
new file mode 100644
index 0000000..849dc13
--- /dev/null
+++ b/src/main/java/com/example/demo/domain/vo/coin/AreaInfo.java
@@ -0,0 +1,13 @@
+package com.example.demo.domain.vo.coin;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+@Data
+@NoArgsConstructor
+@AllArgsConstructor
+public class AreaInfo {
+    private String area;        // 归属地 ID
+    private String areaName;    // 归属地名称
+}
diff --git a/src/main/java/com/example/demo/mapper/coin/RechargeActivityCenterMapper.java b/src/main/java/com/example/demo/mapper/coin/RechargeActivityCenterMapper.java
index 9ddd306..54ea90e 100644
--- a/src/main/java/com/example/demo/mapper/coin/RechargeActivityCenterMapper.java
+++ b/src/main/java/com/example/demo/mapper/coin/RechargeActivityCenterMapper.java
@@ -23,9 +23,13 @@ public interface RechargeActivityCenterMapper {
 
     // 根据ID查询活动
     List<RechargeActivity> queryActivity(RechargeActivity activity);
+
     // 根据活动名称查询活动
     RechargeActivity queryActivityByName(RechargeActivity activity);
 
+    // 根据活动 ID 查询活动归属地
+    RechargeActivity queryActivityAreaById(@Param("id") Integer id);
+
     // 新增活动
     void addActivity(RechargeActivity activity);
 
diff --git a/src/main/java/com/example/demo/service/coin/RechargeActivityCenterService.java b/src/main/java/com/example/demo/service/coin/RechargeActivityCenterService.java
index 5e97a88..3beb7fd 100644
--- a/src/main/java/com/example/demo/service/coin/RechargeActivityCenterService.java
+++ b/src/main/java/com/example/demo/service/coin/RechargeActivityCenterService.java
@@ -1,5 +1,6 @@
 package com.example.demo.service.coin;
 
+import com.example.demo.domain.vo.coin.AreaInfo;
 import com.example.demo.domain.vo.coin.RechargeActivity;
 import com.github.pagehelper.PageInfo;
 
@@ -31,4 +32,7 @@ public interface RechargeActivityCenterService {
 
     // 删除活动
     void deleteActivity(RechargeActivity activity);
+
+    // 根据活动 ID 查询归属地
+    AreaInfo queryActivityAreaById(Integer id);
 }
diff --git a/src/main/java/com/example/demo/serviceImpl/coin/RechargeActivityCenterServiceImpl.java b/src/main/java/com/example/demo/serviceImpl/coin/RechargeActivityCenterServiceImpl.java
index 51c28e5..6c6f3c5 100644
--- a/src/main/java/com/example/demo/serviceImpl/coin/RechargeActivityCenterServiceImpl.java
+++ b/src/main/java/com/example/demo/serviceImpl/coin/RechargeActivityCenterServiceImpl.java
@@ -1,5 +1,6 @@
 package com.example.demo.serviceImpl.coin;
 
+import com.example.demo.domain.vo.coin.AreaInfo;
 import com.example.demo.domain.vo.coin.RechargeActivity;
 import com.example.demo.mapper.coin.RechargeActivityCenterMapper;
 import com.example.demo.service.coin.RechargeActivityCenterService;
@@ -165,4 +166,20 @@ public class RechargeActivityCenterServiceImpl implements RechargeActivityCenter
     public void deleteActivity(RechargeActivity activity) {
         rechargeActivityCenterMapper.deleteActivity(activity);
     }
+
+    // 根据活动 ID 查询归属地
+    @Override
+    public AreaInfo queryActivityAreaById(Integer id) {
+        RechargeActivity activity = rechargeActivityCenterMapper.queryActivityAreaById(id);
+        if (activity == null || activity.getArea() == null) {
+            AreaInfo result = new AreaInfo();
+            result.setArea("0");
+            result.setAreaName(null);
+            return result;
+        }
+        AreaInfo areaInfo = new AreaInfo();
+        areaInfo.setArea(activity.getArea());
+        areaInfo.setAreaName(activity.getAreaName());
+        return areaInfo;
+    }
 }
\ No newline at end of file
diff --git a/src/main/resources/mapper/RechargeActivityCenterMapper.xml b/src/main/resources/mapper/RechargeActivityCenterMapper.xml
index bb05bf7..0d66cdb 100644
--- a/src/main/resources/mapper/RechargeActivityCenterMapper.xml
+++ b/src/main/resources/mapper/RechargeActivityCenterMapper.xml
@@ -120,7 +120,6 @@
     </update>
 
     <!-- 删除活动 -->
-    <!-- 删除活动 -->
     <update id="deleteActivity" parameterType="com.example.demo.domain.vo.coin.RechargeActivity">
         UPDATE recharge_activity
         <set>
@@ -130,4 +129,14 @@
         WHERE id = #{id}
     </update>
 
+    <!-- 根据活动 ID 查询归属地 -->
+    <select id="queryActivityAreaById" resultType="com.example.demo.domain.vo.coin.RechargeActivity">
+        SELECT
+            ra.area as area,
+            m.name as areaName
+        FROM recharge_activity ra
+                 LEFT JOIN market m on m.id = ra.area
+        WHERE ra.id = #{id} AND ra.flag = 1
+    </select>
+
 </mapper>
\ No newline at end of file