diff --git a/app/Http/Controllers/Api/Hr/SignController.php b/app/Http/Controllers/Api/Hr/SignController.php
index 4910041..21a55e1 100644
--- a/app/Http/Controllers/Api/Hr/SignController.php
+++ b/app/Http/Controllers/Api/Hr/SignController.php
@@ -76,6 +76,7 @@ class SignController extends Controller
         if ($request->filled(['lon', 'lat'])) {
             $lon = $request->input('lon');
             $lat = $request->input('lat');
+            // 切换坐标系
             $locationType = $request->input('location_type', 'wgs84');
             if ($locationType == 'wgs84') {
                 $res = wgs84ToGcj02($lat, $lon);
@@ -135,9 +136,18 @@ class SignController extends Controller
         $maxDistance = (int) AdminSettingService::make()->arrayGet('sign', 'distance');
 
         if ($maxDistance > 0 && $type == SignType::Normal) {
+            $lon = $request->input('position.lon');
+            $lat = $request->input('position.lat');
+            $locationType = $request->input('position.location_type', 'wgs84');
+            // 切换坐标系
+            if ($locationType == 'wgs84') {
+                $res = wgs84ToGcj02($lat, $lon);
+                $lon = $res['lon'];
+                $lat = $res['lat'];
+            }
             $distance = $service->haversineDistance(
-                $request->input('position.lat'),
-                $request->input('position.lon'),
+                $lat,
+                $lon,
                 $store->lat,
                 $store->lon,
             );