diff --git a/frontend/src/components/Tree.vue b/frontend/src/components/Tree.vue
index c4fe04bb..88f56304 100644
--- a/frontend/src/components/Tree.vue
+++ b/frontend/src/components/Tree.vue
@@ -67,7 +67,7 @@ export default {
         this.$bus.$emit('toggle-readme')
       }
     },
-    init (repo = null) {
+    init (repo = null, path = null) {
       if (repo) {
         this.repo = repo
         this.tree = null
@@ -76,6 +76,12 @@ export default {
 
       File.tree(this.repo, tree => {
         this.tree = tree
+
+        if (path) {
+          this.$nextTick(() => {
+            this.$bus.emit('choose-file', { path })
+          })
+        }
       })
     },
     onDelete (path) {
@@ -86,16 +92,17 @@ export default {
 
       this.init()
     },
-    onMove (oldPath) {
+    onMove ({ oldPath, newPath }) {
       // 移动了正在编辑的文件或者其父目录
       if (this.file && this.file.path.startsWith(oldPath)) {
         this.file = null
+        this.init(null, newPath)
+      } else {
+        this.init()
       }
-
-      this.init()
     },
     change (path) {
-      this.init()
+      this.init(null, path)
     },
     keydownHandler (e) {
       if (e.key === 'p' && e.ctrlKey) {
diff --git a/frontend/src/components/TreeNode.vue b/frontend/src/components/TreeNode.vue
index 29d11cd6..0ad11ecc 100644
--- a/frontend/src/components/TreeNode.vue
+++ b/frontend/src/components/TreeNode.vue
@@ -1,6 +1,6 @@
 <template>
   <div class="tree-node">
-    <details ref="dir" :open="item.path === '/'" v-if="item.type === 'dir'">
+    <details :title="dirTitle" ref="dir" :open="item.path === '/'" v-if="item.type === 'dir'">
       <summary
         class="dir-label"
         :style="{background: selected ? '#313131' : 'none'}"
@@ -18,6 +18,7 @@
         @delete="p => $emit('delete', p)"></tree-node>
     </details>
     <div
+      :title="fileTitle"
       v-else
       @click="select(item)"
       @dblclick.ctrl.exact="revealInExplorer()"
@@ -41,7 +42,19 @@ export default {
   },
   data () {
     return {
-      selected: false
+      selected: false,
+      dirTitle: [
+        '"双击" 创建新文件',
+        '"Ctrl + 右键" 重命名目录',
+        '"Shift + 右键" 删除目录',
+        '"Ctrl + 双击" 在操作系统中打开目录'
+      ].join('\n'),
+      fileTitle: [
+        '"Ctrl + 右键" 重命名文件',
+        '"Shift + 右键" 删除文件',
+        '"Ctrl + 双击" 使用系统程序打开文件',
+        '".c.md" 结尾的文件为加密文件'
+      ].join('\n')
     }
   },
   created () {
@@ -97,7 +110,7 @@ export default {
         filename += '.md'
       }
 
-      const path = this.item.path + '/' + filename
+      const path = this.item.path.replace(/\/$/, '') + '/' + filename
       File.write(this.item.repo, path, `# ${filename.replace(/\.md$/i, '')}\n`, 'new', () => {
         this.$emit('change', path)
       }, e => {
@@ -112,7 +125,7 @@ export default {
       }
 
       File.move(this.item.repo, this.item.path, newPath, () => {
-        this.$emit('move', this.item.path)
+        this.$emit('move', { oldPath: this.item.path, newPath })
       })
     },
     deleteFile () {