diff --git a/src/components/map/geojson/ulsanAirArea.json b/src/components/map/geojson/ulsanAirArea.json
index 544e41b0..33773472 100644
--- a/src/components/map/geojson/ulsanAirArea.json
+++ b/src/components/map/geojson/ulsanAirArea.json
@@ -220,13 +220,11 @@
       "geometry": {
         "type": "LineString",
         "coordinates": [
-          [
-            [129.349283089563, 35.6029161501042, 24.130000000000003],
-            [129.352593648829, 35.6030996529655, 23.46],
-            [129.354186126067, 35.5840395078067, 14.5],
-            [129.35087635497, 35.5838560049455, 14.5],
-            [129.349283089563, 35.6029161501042, 24.130000000000003]
-          ]
+          [129.349283089563, 35.6029161501042, 24.130000000000003],
+          [129.352593648829, 35.6030996529655, 23.46],
+          [129.354186126067, 35.5840395078067, 14.5],
+          [129.35087635497, 35.5838560049455, 14.5],
+          [129.349283089563, 35.6029161501042, 24.130000000000003]
         ]
       },
       "properties": {