diff --git a/KkuMulKum/Source/Promise/EditPromise/ViewController/ChooseContentViewController.swift b/KkuMulKum/Source/Promise/EditPromise/ViewController/ChooseContentViewController.swift
index 70a9c77..c0d0231 100644
--- a/KkuMulKum/Source/Promise/EditPromise/ViewController/ChooseContentViewController.swift
+++ b/KkuMulKum/Source/Promise/EditPromise/ViewController/ChooseContentViewController.swift
@@ -107,7 +107,7 @@ private extension ChooseContentViewController {
         
         viewModel.isSuccess.bindOnMain(with: self) { owner, success in
             if success {
-                let viewController = AddPromiseCompleteViewController(promiseID: self.viewModel.promiseID)
+                let viewController = AddPromiseCompleteViewController(promiseID: owner.viewModel.promiseID)
                 
                 viewController.setupNavigationBarTitle(with: "약속 수정하기")
                 viewController.rootView.titleLabel.text = "약속이 수정되었어요!"
diff --git a/KkuMulKum/Source/Promise/PagePromise/ViewController/PromiseViewController.swift b/KkuMulKum/Source/Promise/PagePromise/ViewController/PromiseViewController.swift
index 41dd5ea..c4f873b 100644
--- a/KkuMulKum/Source/Promise/PagePromise/ViewController/PromiseViewController.swift
+++ b/KkuMulKum/Source/Promise/PagePromise/ViewController/PromiseViewController.swift
@@ -166,7 +166,7 @@ private extension PromiseViewController {
         }
         
         viewModel.isFinishSuccess.bindOnMain(with: self) { owner, isSuccess in
-            guard let isSuccess = isSuccess else { return }
+            guard let isSuccess else { return }
             
             if isSuccess {
                 self.navigationController?.popViewController(animated: true)
@@ -179,8 +179,8 @@ private extension PromiseViewController {
         }
         
         viewModel.errorMessage.bindOnMain(with: self) { owner, message in
+            guard let message else { return }
             let toast = Toast()
-            guard let message = message else { return }
             
             toast.show(message: message, view: owner.view, position: .bottom, inset: 100)
         }
@@ -237,8 +237,7 @@ extension PromiseViewController: CustomActionSheetDelegate {
             viewModel.deletePromise()
             
             dismiss(animated: false)
-        }
-        else {
+        } else {
             viewModel.exitPromise()
             
             dismiss(animated: false)
diff --git a/KkuMulKum/Source/Promise/Tardy/ViewController/TardyViewController.swift b/KkuMulKum/Source/Promise/Tardy/ViewController/TardyViewController.swift
index e484c27..3c3ce37 100644
--- a/KkuMulKum/Source/Promise/Tardy/ViewController/TardyViewController.swift
+++ b/KkuMulKum/Source/Promise/Tardy/ViewController/TardyViewController.swift
@@ -81,7 +81,7 @@ private extension TardyViewController {
                     $0.tardyEmptyView.isHidden = true
                     $0.noTardyView.isHidden = true
                     
-                    owner.rootView.tardyCollectionView.reloadData()
+                    $0.tardyCollectionView.reloadData()
                 }
             case .noTardyView:
                 owner.rootView.do {
@@ -115,7 +115,7 @@ private extension TardyViewController {
                     $0.tardyEmptyView.isHidden = true
                     $0.noTardyView.isHidden = true
                     
-                    owner.rootView.tardyCollectionView.reloadData()
+                    $0.tardyCollectionView.reloadData()
                 }
             case .noTardyView:
                 owner.rootView.do {
@@ -157,7 +157,10 @@ extension TardyViewController: UICollectionViewDataSource {
         }
         
         cell.nameLabel.setText(tardyName, style: .body06, color: .gray6)
-        cell.profileImageView.kf.setImage(with: URL(string: viewModel.tardyList.value[indexPath.row].profileImageURL ?? ""), placeholder: UIImage.imgProfile)
+        cell.profileImageView.kf.setImage(
+            with: URL(string: viewModel.tardyList.value[indexPath.row].profileImageURL ?? ""),
+            placeholder: UIImage.imgProfile
+        )
         
         return cell
     }