diff --git a/strings/item.xlsx b/strings/item.xlsx
index bc7b64d..1303d89 100644
Binary files a/strings/item.xlsx and b/strings/item.xlsx differ
diff --git a/strings/tutorial.xlsx b/strings/tutorial.xlsx
index 3470d0c..8cda714 100644
Binary files a/strings/tutorial.xlsx and b/strings/tutorial.xlsx differ
diff --git a/tutorial.xlsx b/tutorial.xlsx
index d150a78..1bbe304 100644
Binary files a/tutorial.xlsx and b/tutorial.xlsx differ