diff --git a/tools/download_hf.sh b/tools/download_hf.sh
index 2b7426c..b4fd9da 100644
--- a/tools/download_hf.sh
+++ b/tools/download_hf.sh
@@ -5,7 +5,7 @@ repo_fut="https://huggingface.co/datasets/OpenDriveLab-org/SimScale/resolve/main
 
 # 1. simulation data with planner-based pseudo-expert
 rounds=5
-splits=(66,56,47,39,33)
+splits=(66 56 47 39 33)
 
 for round in $(seq 0 $((rounds - 1))); do
     # 1. meta data
@@ -63,4 +63,4 @@ for round in $(seq 0 $((rounds - 1))); do
         rm simscale_recovery_v1.0-${round}_sensor_blobs_fut_${idx}.tar.gz
     done
 
-done
\ No newline at end of file
+done
diff --git a/tools/download_ms.sh b/tools/download_ms.sh
index 180fb55..10e43fc 100644
--- a/tools/download_ms.sh
+++ b/tools/download_ms.sh
@@ -7,7 +7,7 @@ repo=OpenDriveLab/SimScale
 
 # 1. simulation data with planner-based pseudo-expert
 rounds=5
-splits=(66,56,47,39,33)
+splits=(66 56 47 39 33)
 simscale_pdm_v1.0-0_sensor_blobs_fut_9.tar.gz
 for round in $(seq 0 $((rounds - 1))); do
     # 1. meta data
@@ -65,4 +65,4 @@ for round in $(seq 0 $((rounds - 1))); do
         rm simscale_recovery_v1.0-${round}_sensor_blobs_fut_${idx}.tar.gz
     done
 
-done
\ No newline at end of file
+done