diff --git a/data_process_class_dll/track_asso.cpp b/data_process_class_dll/track_asso.cpp
index e2dbc65..53004d7 100644
--- a/data_process_class_dll/track_asso.cpp
+++ b/data_process_class_dll/track_asso.cpp
@@ -124,7 +124,7 @@ int Track_Asso:: track_asso_process(std::vector<PointRecv>               *point_
 
 			// Trust_Track_Output[*Trust_track_num_Output-1][0].Flag_Direction=Trust_Track_Output[*Trust_track_num_Output-1][0].vr_point>0?1:0;
 
-			if(acos((-x * (*trust_track)[i].X[1] - y * (*trust_track)[i].X[4]) / r / Trust_Track_Output[*Trust_track_num_Output-1][0].Range_V) < PI / 4)
+			if(acos((-x * cos(Direction_Angle) - y * sin(Direction_Angle)) / r ) < PI / 2)
 			{
 				Trust_Track_Output[*Trust_track_num_Output-1][0].Flag_Direction=1;
 				// if(r*abs(sin(azi - Direction_Angle))<500)
diff --git a/data_process_class_dll/track_asso_tas.cpp b/data_process_class_dll/track_asso_tas.cpp
index 6f74c68..8432c37 100644
--- a/data_process_class_dll/track_asso_tas.cpp
+++ b/data_process_class_dll/track_asso_tas.cpp
@@ -90,7 +90,7 @@ long long								latest_timestamp		//最新时间戳
 			Trust_Track_Output[*Trust_track_num_Output-1][0].pitch_num = (*trust_track)[i].pitch_num;
 			// Trust_Track_Output[*Trust_track_num_Output-1][0].Flag_Direction=Trust_Track_Output[*Trust_track_num_Output-1][0].vr_point>0?1:0;
 
-			if(acos((-x * (*trust_track)[i].X[1] - y * (*trust_track)[i].X[4]) / r / Trust_Track_Output[*Trust_track_num_Output-1][0].Range_V) < PI / 4)
+			if(acos((-x * cos(Direction_Angle) - y * sin(Direction_Angle)) / r ) < PI / 2)
 			{
 				Trust_Track_Output[*Trust_track_num_Output-1][0].Flag_Direction=1;
 				// if(r*abs(sin(azi - Direction_Angle))<500)