diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 99c9ba7..0f0d89a 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -51,7 +51,7 @@ jobs:
       - name: Set file extensions
         run: |
           # 以空格分隔多个文件后缀
-          echo "FILE_EXTENSIONS=.txt .txt123" >> $GITHUB_ENV
+          echo "FILE_EXTENSIONS=.txt" >> $GITHUB_ENV
 
       # 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
diff --git a/111.txt123 b/111.txt123
deleted file mode 100644
index a00ebb9..0000000
--- a/111.txt123
+++ /dev/null
@@ -1 +0,0 @@
-测试123456
\ No newline at end of file
diff --git a/grade.txt b/grade.txt
deleted file mode 100644
index b0c3520..0000000
--- a/grade.txt
+++ /dev/null
@@ -1 +0,0 @@
-4400f1a0083a801243f628f53a270491
\ No newline at end of file
diff --git a/info.txt b/info.txt
deleted file mode 100644
index 691b3c9..0000000
--- a/info.txt
+++ /dev/null
@@ -1 +0,0 @@
-09975406912bb31cacc59f2573b68768
\ No newline at end of file
diff --git a/old_grade.txt b/old_grade.txt
deleted file mode 100644
index b0c3520..0000000
--- a/old_grade.txt
+++ /dev/null
@@ -1 +0,0 @@
-4400f1a0083a801243f628f53a270491
\ No newline at end of file
diff --git a/test/12121.py b/test/12121.py
deleted file mode 100644
index 4632e06..0000000
--- a/test/12121.py
+++ /dev/null
@@ -1 +0,0 @@
-123456
\ No newline at end of file
diff --git a/test/12121.txt b/test/12121.txt
deleted file mode 100644
index 91012a2..0000000
--- a/test/12121.txt
+++ /dev/null
@@ -1 +0,0 @@
-789456
\ No newline at end of file
diff --git a/time.txt b/time.txt
deleted file mode 100644
index 59e52e4..0000000
--- a/time.txt
+++ /dev/null
@@ -1 +0,0 @@
-Beijing Time: 2024-02-13 13:12:20:272