diff --git a/.gitignore b/.gitignore
index cb4ed94..83fb6ff 100644
--- a/.gitignore
+++ b/.gitignore
@@ -78,24 +78,6 @@ desktop.ini
 
 ############################################
 # 이미지, 문서, 동영상 등 업로드 제외
-*.jpg
-*.jpeg
-*.png
-*.gif
-*.bmp
-*.svg
-*.webp
-*.ico
-
-*.pdf
-*.doc
-*.docx
-*.xls
-*.xlsx
-*.ppt
-*.pptx
-*.hwp
-
 *.mp3
 *.wav
 *.ogg
diff --git a/img/sam_alert.jpg b/img/sam_alert.jpg
new file mode 100644
index 0000000..ab34f79
Binary files /dev/null and b/img/sam_alert.jpg differ
diff --git a/img/sam_project.jpg b/img/sam_project.jpg
new file mode 100644
index 0000000..6dcb4da
Binary files /dev/null and b/img/sam_project.jpg differ
diff --git a/img/sam_time.jpg b/img/sam_time.jpg
new file mode 100644
index 0000000..1adeb35
Binary files /dev/null and b/img/sam_time.jpg differ
diff --git a/salesmanagement/sample.xlsx b/salesmanagement/sample.xlsx
new file mode 100644
index 0000000..62f459b
Binary files /dev/null and b/salesmanagement/sample.xlsx differ
diff --git a/test.txt b/test.txt
deleted file mode 100644
index 30d74d2..0000000
--- a/test.txt
+++ /dev/null
@@ -1 +0,0 @@
-test
\ No newline at end of file