diff --git a/deploy/TensorRT/cpp/src/STrack.cpp b/deploy/TensorRT/cpp/src/STrack.cpp
index ceb08c7c..0e8653e8 100644
--- a/deploy/TensorRT/cpp/src/STrack.cpp
+++ b/deploy/TensorRT/cpp/src/STrack.cpp
@@ -188,5 +188,7 @@ void STrack::multi_predict(vector<STrack*> &stracks, byte_kalman::KalmanFilter &
 			stracks[i]->mean[7] = 0;
 		}
 		kalman_filter.predict(stracks[i]->mean, stracks[i]->covariance);
+		stracks[i]->static_tlwh();
+		stracks[i]->static_tlbr();
 	}
 }
\ No newline at end of file
diff --git a/deploy/ncnn/cpp/src/STrack.cpp b/deploy/ncnn/cpp/src/STrack.cpp
index ceb08c7c..0e8653e8 100644
--- a/deploy/ncnn/cpp/src/STrack.cpp
+++ b/deploy/ncnn/cpp/src/STrack.cpp
@@ -188,5 +188,7 @@ void STrack::multi_predict(vector<STrack*> &stracks, byte_kalman::KalmanFilter &
 			stracks[i]->mean[7] = 0;
 		}
 		kalman_filter.predict(stracks[i]->mean, stracks[i]->covariance);
+		stracks[i]->static_tlwh();
+		stracks[i]->static_tlbr();
 	}
 }
\ No newline at end of file