diff --git a/GEE_Scripts/S1andS2_download.js b/GEE_Scripts/S1andS2_download.js
index 6764a74..84bbce4 100644
--- a/GEE_Scripts/S1andS2_download.js
+++ b/GEE_Scripts/S1andS2_download.js
@@ -245,9 +245,10 @@ print(
   processed_img
 );
 target_index = target_index + 1;
+var target_name = "Target" + target_index;
 Export.image.toDrive({
   image: processed_img,
-  description: "S1_S2_" + start_year + "_Target" + target_index,
+  description: "S1_S2_" + target_name + "_" + start_year,
   folder: "Sentinel",
   region: region, // 添加后会自动裁剪
   scale: 10,