diff --git a/Nlbench.sh b/Nlbench.sh
index 422f335..d3e62b8 100644
--- a/Nlbench.sh
+++ b/Nlbench.sh
@@ -247,6 +247,7 @@ run_script() {
             run_iperf3_test | tee "$temp_file"
             sed -i -e 's/\x1B\[[0-9;]*[JKmsu]//g' "$temp_file"
             sed -i -r '1,/\[ ID\] /d' "$temp_file"
+            sed -i '/^$/d' "$temp_file"
             cp "$temp_file" "${output_file}_iperf3"
             ;;
         # 回程路由