diff --git a/common/modules/mixly-modules/common/file-tree.js b/common/modules/mixly-modules/common/file-tree.js
index 9dfea714..75dbf680 100644
--- a/common/modules/mixly-modules/common/file-tree.js
+++ b/common/modules/mixly-modules/common/file-tree.js
@@ -253,19 +253,19 @@ class FileTree extends Component {
             weight: 0,
             id: 'new_folder',
             preconditionFn: ($trigger) => {
-                let type = $trigger.attr('type');
+                const type = $trigger.attr('type');
                 return ['root', 'folder'].includes(type);
             },
             data: {
                 isHtmlName: true,
                 name: Menu.getItem(Msg.Lang['fileTree.newFolder'], ''),
                 callback: (_, { $trigger }) => {
-                    let type = $trigger.attr('type');
+                    const type = $trigger.attr('type');
                     if (type === 'root') {
                         this.openRootFolder();
                         this.createRootChildFolderNode();
                     } else {
-                        let id = $trigger.attr('id');
+                        const id = $trigger.attr('id');
                         this.createFolderNode(id);
                     }
                 }
@@ -275,19 +275,19 @@ class FileTree extends Component {
             weight: 1,
             id: 'new_file',
             preconditionFn: ($trigger) => {
-                let type = $trigger.attr('type');
+                const type = $trigger.attr('type');
                 return ['root', 'folder'].includes(type);
             },
             data: {
                 isHtmlName: true,
                 name: Menu.getItem(Msg.Lang['fileTree.newFile'], ''),
                 callback: (_, { $trigger }) => {
-                    let type = $trigger.attr('type');
+                    const type = $trigger.attr('type');
                     if (type === 'root') {
                         this.openRootFolder();
                         this.createRootChildFileNode();
                     } else {
-                        let id = $trigger.attr('id');
+                        const id = $trigger.attr('id');
                         this.createFileNode(id);
                     }
                 }
@@ -297,8 +297,8 @@ class FileTree extends Component {
             weight: 2,
             id: 'sep1',
             preconditionFn: ($trigger) => {
-                let type = $trigger.attr('type');
-                return ['folder'].includes(type);
+                const type = $trigger.attr('type');
+                return ['root', 'folder'].includes(type);
             },
             data: '---------'
         });
@@ -306,14 +306,14 @@ class FileTree extends Component {
             weight: 3,
             id: 'cut',
             preconditionFn: ($trigger) => {
-                let type = $trigger.attr('type');
+                const type = $trigger.attr('type');
                 return ['file', 'folder'].includes(type);
             },
             data: {
                 isHtmlName: true,
                 name: Menu.getItem(Msg.Lang['editor.contextMenu.cut'], ''),
                 callback: (_, { $trigger }) => {
-                    let id = $trigger.attr('id');
+                    const id = $trigger.attr('id');
                     this.cutNode(id);
                 }
             }
@@ -322,14 +322,14 @@ class FileTree extends Component {
             weight: 4,
             id: 'copy',
             preconditionFn: ($trigger) => {
-                let type = $trigger.attr('type');
+                const type = $trigger.attr('type');
                 return ['file', 'folder'].includes(type);
             },
             data: {
                 isHtmlName: true,
                 name: Menu.getItem(Msg.Lang['editor.contextMenu.copy'], ''),
                 callback: (_, { $trigger }) => {
-                    let id = $trigger.attr('id');
+                    const id = $trigger.attr('id');
                     this.copyNode(id);
                 }
             }
@@ -338,8 +338,8 @@ class FileTree extends Component {
             weight: 5,
             id: 'paste',
             preconditionFn: ($trigger) => {
-                let type = $trigger.attr('type');
-                return ['folder'].includes(type);
+                const type = $trigger.attr('type');
+                return ['root', 'folder'].includes(type);
             },
             data: {
                 isHtmlName: true,
@@ -369,7 +369,7 @@ class FileTree extends Component {
                 name: Menu.getItem(Msg.Lang['fileTree.copyPath'], ''),
                 callback: (_, { $trigger }) => {
                     let outPath = null;
-                    let type = $trigger.attr('type');
+                    const type = $trigger.attr('type');
                     if (type === 'root') {
                         outPath = this.#rootPath_;
                     } else {
@@ -384,15 +384,15 @@ class FileTree extends Component {
             weight: 8,
             id: 'rename',
             preconditionFn: ($trigger) => {
-                let type = $trigger.attr('type');
+                const type = $trigger.attr('type');
                 return ['file', 'folder'].includes(type);
             },
             data: {
                 isHtmlName: true,
                 name: Menu.getItem(Msg.Lang['fileTree.rename'], ''),
                 callback: (_, { $trigger }) => {
-                    let type = $trigger.attr('type');
-                    let id = $trigger.attr('id');
+                    const type = $trigger.attr('type');
+                    const id = $trigger.attr('id');
                     if (type === 'folder') {
                         this.renameFolderNode(id);
                     } else {
@@ -405,15 +405,15 @@ class FileTree extends Component {
             weight: 9,
             id: 'del',
             preconditionFn: ($trigger) => {
-                let type = $trigger.attr('type');
+                const type = $trigger.attr('type');
                 return ['file', 'folder'].includes(type);
             },
             data: {
                 isHtmlName: true,
                 name: Menu.getItem(Msg.Lang['fileTree.delete'], ''),
                 callback: (_, { $trigger }) => {
-                    let type = $trigger.attr('type');
-                    let id = $trigger.attr('id');
+                    const type = $trigger.attr('type');
+                    const id = $trigger.attr('id');
                     if (type === 'folder') {
                         if (this.#selected_) {
                             const relative = path.relative(id, this.#selected_);