diff --git a/data_process_class_dll/parameters.h b/data_process_class_dll/parameters.h
index 1c9b815..b6e56a7 100644
--- a/data_process_class_dll/parameters.h
+++ b/data_process_class_dll/parameters.h
@@ -10,7 +10,7 @@
 /**********************************版本信息*************************************************/
 #define MAJOR_VERSION 1
 #define MINOR_VERSION 5
-#define PATCH_VERSION 6
+#define PATCH_VERSION 7
 #ifdef PHASE_SCANNING
 #define VERSION_INFO "PS"
 #else
diff --git a/data_process_class_dll/track_asso.cpp b/data_process_class_dll/track_asso.cpp
index 84efb65..2deab69 100644
--- a/data_process_class_dll/track_asso.cpp
+++ b/data_process_class_dll/track_asso.cpp
@@ -730,29 +730,27 @@ void Track_Asso:: model_filter(std::vector <Trust_Track> *trust_track,struct  Ra
 			if((*trust_track)[i].Extrapolate_round <= MAX_EXTRAPOLATE_NUM)
 			{
 				double v_track = sqrt(pow((*trust_track)[i].X[1],2)+pow((*trust_track)[i].X[4],2));
-
-				double delta_T = (latest_timestamp - (*trust_track)[i].T_track)/1000.0;
-				if (delta_T <= 0)
-					continue;
-
-				// 
-				// 
-				// if(Work_Parameter.work_mode == 0)
-				// {
-				// delta_T = Work_Parameter.DATA_RATE_SHORT;
-				// }
-				// else if(Work_Parameter.work_mode == 1)
-				// {
-				// 	delta_T = Work_Parameter.DATA_RATE_MIDDLE;
-				// }
-				// else if(Work_Parameter.work_mode == 2)
-				// {
-				// 	delta_T = Work_Parameter.DATA_RATE_FAR;
-				// }
-				// else
-				// {
-				// 	delta_T = Work_Parameter.DATA_RATE_SHORT;
-				// }
+				double delta_T = 0;
+				// double delta_T = (latest_timestamp - (*trust_track)[i].T_track)/1000.0;
+				// if (delta_T <= 0)
+				// 	continue;
+				
+				if(Work_Parameter.work_mode == 0)
+				{
+				delta_T = Work_Parameter.DATA_RATE_SHORT;
+				}
+				else if(Work_Parameter.work_mode == 1)
+				{
+					delta_T = Work_Parameter.DATA_RATE_MIDDLE;
+				}
+				else if(Work_Parameter.work_mode == 2)
+				{
+					delta_T = Work_Parameter.DATA_RATE_FAR;
+				}
+				else
+				{
+					delta_T = Work_Parameter.DATA_RATE_SHORT;
+				}
 
 				double F[6][6],  Q1[6][6],  Q2[6][6],  Q3[6][6];
 				IMM_F_Q_gen( v_track, delta_T, F, Q1,  Q2,  Q3,Work_Parameter);