diff --git a/src/views/laanc/FlightArea.js b/src/views/laanc/FlightArea.js
index 4b64244..2a7a4b4 100644
--- a/src/views/laanc/FlightArea.js
+++ b/src/views/laanc/FlightArea.js
@@ -31,7 +31,13 @@ import { ErrorModal } from '../../components/modal/ErrorModal';
 import { FeatureAirZone } from '../../components/map/mapbox/feature/FeatureAirZone';
 import { WeatherContainer } from '../../containers/basis/flight/plan/WeatherContainer';
 
-export default function FlightArea({ centeredModal, setCenteredModal, page }) {
+export default function FlightArea({
+  centeredModal,
+  setCenteredModal,
+  page,
+  handleChange,
+  data
+}) {
   const dispatch = useDispatch();
   const { areaCoordList } = useSelector(state => state.flightState);
   const mapControl = useSelector(state => state.controlMapReducer);
@@ -322,6 +328,13 @@ export default function FlightArea({ centeredModal, setCenteredModal, page }) {
         mapObject.setPaintProperty('waypoint', 'circle-radius', 10);
         mapObject.getSource('preview').setData(previewGeo);
       }
+
+      //스텝1에 반경도 글씨가 바뀌어야 함...!!
+      handleChange({
+        type: 'area',
+        name: 'bufferZone',
+        value: String(areas.bufferZone)
+      });
     }
   };
 
diff --git a/src/views/laanc/LaancStep1.js b/src/views/laanc/LaancStep1.js
index 11e1024..04f7ee2 100644
--- a/src/views/laanc/LaancStep1.js
+++ b/src/views/laanc/LaancStep1.js
@@ -441,6 +441,8 @@ export default function LaancStep1({
             <FlightArea
               centeredModal={centeredModal}
               setCenteredModal={setCenteredModal}
+              handleChange={handleChange}
+              data={data}
               page={1}
             />
           </div>