diff --git a/Nlbench.sh b/Nlbench.sh
index ca5f814..463ac9d 100644
--- a/Nlbench.sh
+++ b/Nlbench.sh
@@ -205,7 +205,8 @@ run_script() {
         8)
             echo -e "运行${YELLOW}iperf3测试...${NC}"
             run_iperf3_test | tee "$temp_file"
-            sed -e 's/\x1B\[[0-9;]*[JKmsu]//g' "$temp_file" > "${output_file}_iperf3"
+            sed -e 's/\x1B\[[0-9;]*[JKmsu]//g' "$temp_file"
+            cp "$temp_file" "${output_file}_iperf3"
             ;;
 
         # 回程路由