diff --git a/Note/FormatLogViewController.swift b/Note/FormatLogViewController.swift
index d514b1a..d9f000d 100644
--- a/Note/FormatLogViewController.swift
+++ b/Note/FormatLogViewController.swift
@@ -36,6 +36,8 @@ class FormatLogViewController: UIViewController {
         textView.font = UIFont.systemFont(ofSize: 16)
         textView.backgroundColor = .systemBackground
         textView.layer.cornerRadius = 12
+        textView.layer.borderWidth = 0.5
+        textView.layer.borderColor = UIColor.separator.cgColor
         textView.textContainerInset = UIEdgeInsets(top: 12, left: 12, bottom: 12, right: 12)
         textView.delegate = self
         view.addSubview(textView)
diff --git a/Note/FormatNoteViewController.swift b/Note/FormatNoteViewController.swift
index 9bd658f..debf38a 100644
--- a/Note/FormatNoteViewController.swift
+++ b/Note/FormatNoteViewController.swift
@@ -36,6 +36,8 @@ class FormatNoteViewController: UIViewController {
         textView.translatesAutoresizingMaskIntoConstraints = false
         textView.backgroundColor = .systemBackground
         textView.layer.cornerRadius = 12
+        textView.layer.borderWidth = 0.5
+        textView.layer.borderColor = UIColor.separator.cgColor
         textView.layer.masksToBounds = true
         textView.font = UIFont.preferredFont(forTextStyle: .body)
         textView.textContainerInset = UIEdgeInsets(top: 12, left: 12, bottom: 12, right: 12)