diff --git a/app/src/main/java/com/casic/detector/view/MainActivity.kt b/app/src/main/java/com/casic/detector/view/MainActivity.kt
index b4f3eb9..5e6c9cc 100644
--- a/app/src/main/java/com/casic/detector/view/MainActivity.kt
+++ b/app/src/main/java/com/casic/detector/view/MainActivity.kt
@@ -1760,17 +1760,18 @@
             lifecycleScope.launch(Dispatchers.IO) {
                 val dataPoints = ArrayList<RadarScanView.DataPoint>()
                 DataBaseManager.get.loadTaskLabels().forEach {
-                    val angle = location.calculateAngle(
-                        LatLng(it.lat.toDouble(), it.lng.toDouble())
-                    )
-
                     //单位：米
                     val distance = AMapUtils.calculateLineDistance(
                         LatLng(latitude, longitude), LatLng(it.lat.toDouble(), it.lng.toDouble())
                     )
 
                     if (distance <= LocaleConstant.MAX_DISTANCE) {
-                        dataPoints.add(RadarScanView.DataPoint(angle, distance))
+                        val angle = location.calculateAngle(
+                            LatLng(it.lat.toDouble(), it.lng.toDouble())
+                        )
+
+                        val formatDistance = String.format("%.2f", distance)
+                        dataPoints.add(RadarScanView.DataPoint(angle, formatDistance.toFloat()))
                     }
                 }
                 withContext(Dispatchers.Main) {