diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index f81e081..975e274 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -52,11 +52,13 @@ jobs:
         run: |
           # 以空格分隔多个文件后缀
           FILE_EXTENSIONS=".txt .jpg .png" >> $GITHUB_ENV
+          echo "FILE EXTENSIONS: $FILE_EXTENSIONS"
 
       # 创建一个备份目录，并将当前目录及子目录中的所有指定后缀文件复制到备份目录，并保持路径
       - name: Backup local files with specified extensions
         run: |
           mkdir -p backup
+          echo "FILE EXTENSIONS: $FILE_EXTENSIONS"
           for EXT in $FILE_EXTENSIONS; do
             rsync -av --include="*/" --include="*$EXT" --exclude="*" ./ backup/
           done