diff --git a/fad-app/src/main/java/com/ruoyi/fadapp/controller/FadAppLocationController.java b/fad-app/src/main/java/com/ruoyi/fadapp/controller/FadAppLocationController.java
new file mode 100644
index 0000000..efde7d5
--- /dev/null
+++ b/fad-app/src/main/java/com/ruoyi/fadapp/controller/FadAppLocationController.java
@@ -0,0 +1,34 @@
+package com.ruoyi.fadapp.controller;
+
+import com.ruoyi.common.core.domain.R;
+import com.ruoyi.fadapp.service.IFadAppLocationService;
+import lombok.RequiredArgsConstructor;
+import org.springframework.validation.annotation.Validated;
+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;
+
+/**
+ * FAD APP 定位控制器
+ */
+@Validated
+@RequiredArgsConstructor
+@RestController
+@RequestMapping("/fadapp/location")
+public class FadAppLocationController {
+
+    private final IFadAppLocationService locationService;
+
+    /**
+     * 根据经纬度获取城市
+     *
+     * @param latitude 纬度
+     * @param longitude 经度
+     * @return 城市名称
+     */
+    @GetMapping("/city")
+    public R<String> getCity(@RequestParam Double latitude, @RequestParam Double longitude) {
+        return R.ok(locationService.getCityByLocation(latitude, longitude));
+    }
+}
diff --git a/fad-app/src/main/java/com/ruoyi/fadapp/controller/FadAppUserController.java b/fad-app/src/main/java/com/ruoyi/fadapp/controller/FadAppUserController.java
index 8501442..3426e5b 100644
--- a/fad-app/src/main/java/com/ruoyi/fadapp/controller/FadAppUserController.java
+++ b/fad-app/src/main/java/com/ruoyi/fadapp/controller/FadAppUserController.java
@@ -11,9 +11,18 @@ import org.springframework.validation.annotation.Validated;
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.PathVariable;
 import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestParam;
 import org.springframework.web.bind.annotation.RestController;
 
 import javax.validation.constraints.NotNull;
+import java.io.BufferedReader;
+import java.io.InputStreamReader;
+import java.net.HttpURLConnection;
+import java.net.URL;
+import java.net.URLEncoder;
+import java.nio.charset.StandardCharsets;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
 
 /**
  * FAD APP用户管理Controller
@@ -26,6 +35,7 @@ import javax.validation.constraints.NotNull;
 @RequestMapping("/fadapp/user")
 public class FadAppUserController extends BaseController {
 
+    private static final String IPSTACK_ACCESS_KEY = "";
     private final IFadAppUserService userService;
 
     /**
@@ -63,4 +73,56 @@ public class FadAppUserController extends BaseController {
     public R<Object> getUserStats() {
         return R.ok(userService.getUserStats());
     }
+
+    /**
+     * 根据经纬度获取城市
+     */
+    @GetMapping("/location/city")
+    public R<Object> getCityByLocation(@RequestParam Double latitude,
+                                       @RequestParam Double longitude) {
+        return R.ok(resolveCity(latitude, longitude));
+    }
+
+    private String resolveCity(Double latitude, Double longitude) {
+        if (latitude == null || longitude == null) {
+            return "";
+        }
+        try {
+            String urlStr = "https://nominatim.openstreetmap.org/reverse?format=jsonv2&lat="
+                    + URLEncoder.encode(String.valueOf(latitude), StandardCharsets.UTF_8.name())
+                    + "&lon=" + URLEncoder.encode(String.valueOf(longitude), StandardCharsets.UTF_8.name())
+                    + "&zoom=10&addressdetails=1";
+            HttpURLConnection connection = (HttpURLConnection) new URL(urlStr).openConnection();
+            connection.setRequestMethod("GET");
+            connection.setConnectTimeout(5000);
+            connection.setReadTimeout(5000);
+            connection.setRequestProperty("User-Agent", "FAD-App/1.0");
+
+            try (BufferedReader reader = new BufferedReader(new InputStreamReader(connection.getInputStream(), StandardCharsets.UTF_8))) {
+                StringBuilder result = new StringBuilder();
+                String line;
+                while ((line = reader.readLine()) != null) {
+                    result.append(line);
+                }
+                return extractCity(result.toString());
+            }
+        } catch (Exception e) {
+            return "";
+        }
+    }
+
+    private String extractCity(String json) {
+        if (json == null || json.isEmpty()) {
+            return "";
+        }
+        String[] keys = new String[]{"city", "town", "village", "county", "state"};
+        for (String key : keys) {
+            Pattern pattern = Pattern.compile("\\\"" + key + "\\\"\\s*:\\s*\\\"([^\\\"]+)\\\"");
+            Matcher matcher = pattern.matcher(json);
+            if (matcher.find()) {
+                return matcher.group(1);
+            }
+        }
+        return "";
+    }
 } 
\ No newline at end of file
diff --git a/fad-app/src/main/java/com/ruoyi/fadapp/service/IFadAppLocationService.java b/fad-app/src/main/java/com/ruoyi/fadapp/service/IFadAppLocationService.java
new file mode 100644
index 0000000..93fec4f
--- /dev/null
+++ b/fad-app/src/main/java/com/ruoyi/fadapp/service/IFadAppLocationService.java
@@ -0,0 +1,16 @@
+package com.ruoyi.fadapp.service;
+
+/**
+ * FAD APP 定位服务接口
+ */
+public interface IFadAppLocationService {
+
+    /**
+     * 根据经纬度获取城市
+     *
+     * @param latitude 纬度
+     * @param longitude 经度
+     * @return 城市名称
+     */
+    String getCityByLocation(Double latitude, Double longitude);
+}
diff --git a/fad-app/src/main/java/com/ruoyi/fadapp/service/impl/FadAppLocationServiceImpl.java b/fad-app/src/main/java/com/ruoyi/fadapp/service/impl/FadAppLocationServiceImpl.java
new file mode 100644
index 0000000..78a0e3e
--- /dev/null
+++ b/fad-app/src/main/java/com/ruoyi/fadapp/service/impl/FadAppLocationServiceImpl.java
@@ -0,0 +1,87 @@
+package com.ruoyi.fadapp.service.impl;
+
+import com.alibaba.fastjson2.JSONObject;
+import com.ruoyi.fadapp.service.IFadAppLocationService;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.stereotype.Service;
+import org.springframework.web.client.RestTemplate;
+
+import java.util.LinkedHashMap;
+import java.util.Map;
+
+/**
+ * FAD APP 定位服务实现
+ */
+@Slf4j
+@Service
+public class FadAppLocationServiceImpl implements IFadAppLocationService {
+
+    private static final String AMAP_REVERSE_URL = "https://restapi.amap.com/v3/geocode/regeo";
+
+    private final RestTemplate restTemplate = new RestTemplate();
+
+    @Value("${fad.amap.key:}")
+    private String amapKey;
+
+    @Override
+    public String getCityByLocation(Double latitude, Double longitude) {
+        if (latitude == null || longitude == null) {
+            return "";
+        }
+
+        if (!org.springframework.util.StringUtils.hasText(amapKey)) {
+            log.warn("高德地图 key 未配置");
+            return "";
+        }
+
+        try {
+            Map<String, Object> params = new LinkedHashMap<>();
+            params.put("key", amapKey);
+            params.put("location", longitude + "," + latitude);
+            params.put("extensions", "base");
+            params.put("batch", "false");
+            params.put("roadlevel", 0);
+            params.put("output", "JSON");
+
+            StringBuilder url = new StringBuilder(AMAP_REVERSE_URL).append("?");
+            params.forEach((key, value) -> url.append(key).append("=").append(value).append("&"));
+            url.setLength(url.length() - 1);
+
+            JSONObject response = restTemplate.getForObject(url.toString(), JSONObject.class);
+            if (response == null) {
+                return "";
+            }
+
+            if (!"1".equals(response.getString("status"))) {
+                log.warn("高德逆地理编码失败: {}", response);
+                return "";
+            }
+
+            JSONObject regeocode = response.getJSONObject("regeocode");
+            if (regeocode == null) {
+                return "";
+            }
+
+            JSONObject addressComponent = regeocode.getJSONObject("addressComponent");
+            if (addressComponent == null) {
+                return "";
+            }
+
+            String city = addressComponent.getString("city");
+            if (org.springframework.util.StringUtils.hasText(city)) {
+                return city;
+            }
+
+            String province = addressComponent.getString("province");
+            if (org.springframework.util.StringUtils.hasText(province)) {
+                return province;
+            }
+
+            return "";
+        } catch (Exception e) {
+            log.warn("根据经纬度获取城市失败, latitude={}, longitude={}, err={}", latitude, longitude, e.getMessage());
+            return "";
+        }
+    }
+}
diff --git a/fad-app/src/main/resources/application.yml b/fad-app/src/main/resources/application.yml
new file mode 100644
index 0000000..cf1304f
--- /dev/null
+++ b/fad-app/src/main/resources/application.yml
@@ -0,0 +1,3 @@
+fad:
+  amap:
+    key: 978ae5bc551f57d172d3e397af5a6f67
diff --git a/ruoyi-admin/src/main/resources/application.yml b/ruoyi-admin/src/main/resources/application.yml
index eb429c1..a62f541 100644
--- a/ruoyi-admin/src/main/resources/application.yml
+++ b/ruoyi-admin/src/main/resources/application.yml
@@ -317,3 +317,8 @@ flowable:
   check-process-definitions: false
   # 关闭历史任务定时任务job
   async-history-executor-activate: false
+  
+
+fad:
+  amap:
+    key: 978ae5bc551f57d172d3e397af5a6f67
\ No newline at end of file