diff --git a/src/main/java/com/palnet/comn/utils/FlightUtils.java b/src/main/java/com/palnet/comn/utils/FlightUtils.java
index da0b436..4c7cd13 100644
--- a/src/main/java/com/palnet/comn/utils/FlightUtils.java
+++ b/src/main/java/com/palnet/comn/utils/FlightUtils.java
@@ -15,7 +15,7 @@ import org.locationtech.proj4j.CoordinateReferenceSystem;
 import org.locationtech.proj4j.ProjCoordinate;
 
 public class FlightUtils {
-	public static Coordinate[] Test(Coordinate[] lineCoords, Integer bufval) {
+	public static Coordinate[] createBuffer(Coordinate[] lineCoords, Integer bufval) {
 		GeometryFactory geometryFactory = new GeometryFactory();
 		LineString line = new GeometryFactory().createLineString(lineCoords);
 		for(Coordinate coord : line.getCoordinates()) {
@@ -29,12 +29,22 @@ public class FlightUtils {
 		BufferOp ops = new BufferOp(geometry, bufferParam);
 		Geometry bufTrans = ops.getResultGeometry((bufval/177763.63662580872)*2);
 
-		Coordinate[] coords = bufTrans.getCoordinates();
-		System.out.println("-------------------------------------");
-		for (Coordinate coord : coords) {
-			System.out.println(coord.x  + "," +  coord.y );
-		}
-		System.out.println("-----------------------------------------");
-		return coords;
+		Coordinate[] bufferCoords = bufTrans.getCoordinates();
+
+		return bufferCoords;
+	}
+	public static boolean contains(Coordinate[] bufferCoords, Coordinate[] containsPoint) {
+		
+		GeometryFactory geometryFactory = new GeometryFactory();
+		
+		CoordinateSequence coordinateSequence = new CoordinateArraySequence(containsPoint);
+		
+		LineString line = new GeometryFactory().createLineString(bufferCoords);
+		
+		Point point = new Point(coordinateSequence, geometryFactory);
+		
+		boolean contains = line.contains(point); 
+		
+		return contains;
 	}
 }