diff --git a/src/main/menu/actions/file.js b/src/main/menu/actions/file.js
index 90669053..c966fbf7 100644
--- a/src/main/menu/actions/file.js
+++ b/src/main/menu/actions/file.js
@@ -74,11 +74,11 @@ const handleResponseForPrint = e => {
   // })
 }
 
-const handleResponseForSave = async (e, { id, markdown, pathname, options }) => {
+const handleResponseForSave = async (e, { id, filename, markdown, pathname, options, defaultPath }) => {
   const win = BrowserWindow.fromWebContents(e.sender)
   let recommendFilename = getRecommendTitleFromMarkdownString(markdown)
   if (!recommendFilename) {
-    recommendFilename = 'Untitled'
+    recommendFilename = filename || 'Untitled'
   }
 
   // If the file doesn't exist on disk add it to the recently used documents later
@@ -90,7 +90,7 @@ const handleResponseForSave = async (e, { id, markdown, pathname, options }) =>
 
   if (!filePath) {
     const { filePath: dialogPath, canceled } = await dialog.showSaveDialog(win, {
-      defaultPath: path.join(getPath('documents'), `${recommendFilename}.md`)
+      defaultPath: path.join(defaultPath || getPath('documents'), `${recommendFilename}.md`)
     })
 
     if (dialogPath && !canceled) {
@@ -203,11 +203,11 @@ ipcMain.on('mt::save-and-close-tabs', async (e, unsavedFiles) => {
   }
 })
 
-ipcMain.on('AGANI::response-file-save-as', async (e, { id, markdown, pathname, options }) => {
+ipcMain.on('AGANI::response-file-save-as', async (e, { id, filename, markdown, pathname, options, defaultPath }) => {
   const win = BrowserWindow.fromWebContents(e.sender)
   let recommendFilename = getRecommendTitleFromMarkdownString(markdown)
   if (!recommendFilename) {
-    recommendFilename = 'Untitled'
+    recommendFilename = filename || 'Untitled'
   }
 
   // If the file doesn't exist on disk add it to the recently used documents later
@@ -216,7 +216,7 @@ ipcMain.on('AGANI::response-file-save-as', async (e, { id, markdown, pathname, o
   const alreadyExistOnDisk = !!pathname
 
   let { filePath, canceled } = await dialog.showSaveDialog(win, {
-    defaultPath: pathname || getPath('documents') + `/${recommendFilename}.md`
+    defaultPath: pathname || path.join(defaultPath || getPath('documents'), `${recommendFilename}.md`)
   })
 
   if (filePath && !canceled) {
diff --git a/src/renderer/store/editor.js b/src/renderer/store/editor.js
index e1c8c7d7..b4e19501 100644
--- a/src/renderer/store/editor.js
+++ b/src/renderer/store/editor.js
@@ -323,23 +323,39 @@ const actions = {
   },
 
   // need pass some data to main process when `save` menu item clicked
-  LISTEN_FOR_SAVE ({ commit, state, dispatch }) {
+  LISTEN_FOR_SAVE ({ state, rootState }) {
     ipcRenderer.on('AGANI::ask-file-save', () => {
-      const { id, pathname, markdown } = state.currentFile
+      const { id, filename, pathname, markdown } = state.currentFile
       const options = getOptionsFromState(state.currentFile)
+      const defaultPath = getRootFolderFromState(rootState)
       if (id) {
-        ipcRenderer.send('AGANI::response-file-save', { id, pathname, markdown, options })
+        ipcRenderer.send('AGANI::response-file-save', {
+          id,
+          filename,
+          pathname,
+          markdown,
+          options,
+          defaultPath
+        })
       }
     })
   },
 
   // need pass some data to main process when `save as` menu item clicked
-  LISTEN_FOR_SAVE_AS ({ commit, state }) {
+  LISTEN_FOR_SAVE_AS ({ state, rootState }) {
     ipcRenderer.on('AGANI::ask-file-save-as', () => {
-      const { id, pathname, markdown } = state.currentFile
+      const { id, filename, pathname, markdown } = state.currentFile
       const options = getOptionsFromState(state.currentFile)
+      const defaultPath = getRootFolderFromState(rootState)
       if (id) {
-        ipcRenderer.send('AGANI::response-file-save-as', { id, pathname, markdown, options })
+        ipcRenderer.send('AGANI::response-file-save-as', {
+          id,
+          filename,
+          pathname,
+          markdown,
+          options,
+          defaultPath
+        })
       }
     })
   },
@@ -430,14 +446,22 @@ const actions = {
     }
   },
 
-  LISTEN_FOR_MOVE_TO ({ commit, state }) {
+  LISTEN_FOR_MOVE_TO ({ state, rootState }) {
     ipcRenderer.on('AGANI::ask-file-move-to', () => {
-      const { id, pathname, markdown } = state.currentFile
+      const { id, filename, pathname, markdown } = state.currentFile
       const options = getOptionsFromState(state.currentFile)
+      const defaultPath = getRootFolderFromState(rootState)
       if (!id) return
       if (!pathname) {
         // if current file is a newly created file, just save it!
-        ipcRenderer.send('AGANI::response-file-save', { id, pathname, markdown, options })
+        ipcRenderer.send('AGANI::response-file-save', {
+          id,
+          filename,
+          pathname,
+          markdown,
+          options,
+          defaultPath
+        })
       } else {
         // if not, move to a new(maybe) folder
         ipcRenderer.send('AGANI::response-file-move-to', { id, pathname })
@@ -451,13 +475,21 @@ const actions = {
     })
   },
 
-  RESPONSE_FOR_RENAME ({ commit, state }) {
-    const { id, pathname, markdown } = state.currentFile
+  RESPONSE_FOR_RENAME ({ state, rootState }) {
+    const { id, filename, pathname, markdown } = state.currentFile
     const options = getOptionsFromState(state.currentFile)
+    const defaultPath = getRootFolderFromState(rootState)
     if (!id) return
     if (!pathname) {
       // if current file is a newly created file, just save it!
-      ipcRenderer.send('AGANI::response-file-save', { id, pathname, markdown, options })
+      ipcRenderer.send('AGANI::response-file-save', {
+        id,
+        filename,
+        pathname,
+        markdown,
+        options,
+        defaultPath
+      })
     } else {
       bus.$emit('rename')
     }
@@ -695,7 +727,7 @@ const actions = {
   // WORKAROUND: id is "muya" if changes come from muya and not source code editor! So we don't have to apply the workaround.
   LISTEN_FOR_CONTENT_CHANGE ({ commit, dispatch, state, rootState }, { id, markdown, wordCount, cursor, history, toc }) {
     const { autoSave } = rootState.preferences
-    const { id: currentId, pathname, markdown: oldMarkdown } = state.currentFile
+    const { id: currentId, filename, pathname, markdown: oldMarkdown } = state.currentFile
     const { listToc } = state
 
     if (!id) {
@@ -740,12 +772,18 @@ const actions = {
     if (markdown !== oldMarkdown) {
       commit('SET_SAVE_STATUS', false)
       if (pathname && autoSave) {
-        dispatch('HANDLE_AUTO_SAVE', { id: currentId, pathname, markdown, options })
+        dispatch('HANDLE_AUTO_SAVE', {
+          id: currentId,
+          filename,
+          pathname,
+          markdown,
+          options
+        })
       }
     }
   },
 
-  HANDLE_AUTO_SAVE ({ commit, state, rootState }, { id, pathname, markdown, options }) {
+  HANDLE_AUTO_SAVE ({ commit, state, rootState }, { id, filename, pathname, markdown, options }) {
     if (!id || !pathname) {
       throw new Error('HANDLE_AUTO_SAVE: Invalid tab.')
     }
@@ -767,8 +805,17 @@ const actions = {
       // gracefully closed. The automatically save event may fire meanwhile.
       const tab = tabs.find(t => t.id === id)
       if (tab && !tab.isSaved) {
+        const defaultPath = getRootFolderFromState(rootState)
+
         // Tab changed status is set after the file is saved.
-        ipcRenderer.send('AGANI::response-file-save', { id, pathname, markdown, options })
+        ipcRenderer.send('AGANI::response-file-save', {
+          id,
+          filename,
+          pathname,
+          markdown,
+          options,
+          defaultPath
+        })
       }
     }, autoSaveDelay)
     autoSaveTimers.set(id, timer)
@@ -919,4 +966,19 @@ const actions = {
   }
 }
 
+// ----------------------------------------------------------------------------
+
+/**
+ * Return the opened root folder or an empty string.
+ *
+ * @param {*} rootState The root state.
+ */
+const getRootFolderFromState = rootState => {
+  const openedFolder = rootState.project.projectTree
+  if (openedFolder) {
+    return openedFolder.pathname
+  }
+  return ''
+}
+
 export default { state, mutations, actions }