diff --git a/frontend/package.json b/frontend/package.json
index 64d80294..b08c2689 100644
--- a/frontend/package.json
+++ b/frontend/package.json
@@ -26,6 +26,7 @@
     "echarts": "^4.1.0",
     "element-ui": "2.13.0",
     "font-awesome": "^4.7.0",
+    "github-markdown-css": "^3.0.1",
     "js-cookie": "2.2.0",
     "normalize.css": "7.0.0",
     "nprogress": "0.2.0",
diff --git a/frontend/src/App.vue b/frontend/src/App.vue
index bf60dc0b..27fe283a 100644
--- a/frontend/src/App.vue
+++ b/frontend/src/App.vue
@@ -34,13 +34,7 @@ export default {
     }
   },
   methods: {},
-  async created () {
-    await this.$store.dispatch('setting/getSetting')
-  },
   async mounted () {
-    const res = await this.$request.get('/version')
-    this.version = res.data.data
-    sessionStorage.setItem('v', this.version)
     window.setUseStats = (value) => {
       document.querySelector('.el-message__closeBtn').click()
       if (value === 1) {
diff --git a/frontend/src/components/File/FileList.vue b/frontend/src/components/File/FileList.vue
index 4bf76395..620481ca 100644
--- a/frontend/src/components/File/FileList.vue
+++ b/frontend/src/components/File/FileList.vue
@@ -30,7 +30,9 @@
       </span>
     </el-dialog>
 
-    <div class="file-tree-wrapper">
+    <div
+      class="file-tree-wrapper"
+    >
       <el-tree
         :data="computedFileTree"
         ref="tree"
@@ -45,20 +47,20 @@
         <span class="custom-tree-node" slot-scope="{ node, data }">
           <el-popover v-model="isShowCreatePopoverDict[data.path]" trigger="manual" placement="right"
                       popper-class="create-item-popover" :visible-arrow="false" @hide="onHideCreate(data)">
-            <div class="create-item-title">
-              <span class="item-icon">
-                <font-awesome-icon icon="plus" color="rgba(3,47,98,.5)"/>
-              </span>
-              <span class="create-item-text">{{$t('Create')}}</span>
-            </div>
-            <ul class="create-item-list">
-              <li class="create-item" @click="dirDialogVisible = true">
-                <font-awesome-icon :icon="['fa', 'folder']" color="rgba(3,47,98,.5)"/>
-                <span class="create-item-text">{{$t('Directory')}}</span>
-              </li>
-              <li class="create-item" @click="fileDialogVisible = true">
+            <ul class="action-item-list">
+              <li class="action-item" @click="fileDialogVisible = true">
                 <font-awesome-icon icon="file-alt" color="rgba(3,47,98,.5)"/>
-                <span class="create-item-text">{{$t('File')}}</span>
+                <span class="action-item-text">{{$t('Create File')}}</span>
+              </li>
+              <li class="action-item" @click="dirDialogVisible = true">
+                <font-awesome-icon :icon="['fa', 'folder']" color="rgba(3,47,98,.5)"/>
+                <span class="action-item-text">{{$t('Create Directory')}}</span>
+              </li>
+            </ul>
+            <ul class="action-item-list">
+              <li class="action-item" @click="onClickRemoveNav(data)">
+                <font-awesome-icon :icon="['fa', 'trash']" color="rgba(3,47,98,.5)"/>
+                <span class="action-item-text">{{$t('Remove')}}</span>
               </li>
             </ul>
             <template slot="reference">
@@ -85,11 +87,38 @@
           </el-popover>
         </span>
       </el-tree>
+      <el-popover trigger="click" placement="right"
+                  popper-class="create-item-popover" :visible-arrow="false">
+        <ul class="action-item-list">
+          <li class="action-item" @click="fileDialogVisible = true">
+            <font-awesome-icon icon="file-alt" color="rgba(3,47,98,.5)"/>
+            <span class="action-item-text">{{$t('Create File')}}</span>
+          </li>
+          <li class="action-item" @click="dirDialogVisible = true">
+            <font-awesome-icon :icon="['fa', 'folder']" color="rgba(3,47,98,.5)"/>
+            <span class="action-item-text">{{$t('Create Directory')}}</span>
+          </li>
+        </ul>
+        <div
+          class="add-btn-wrapper"
+          slot="reference"
+        >
+          <el-button
+            class="add-btn"
+            size="small"
+            type="primary"
+            icon="el-icon-plus"
+            @click="onEmptyClick"
+          >
+            {{$t('Add')}}
+          </el-button>
+        </div>
+      </el-popover>
     </div>
 
     <div class="main-content">
       <div v-if="!showFile" class="file-list">
-        {{$t('Please select a file on the left.')}}
+        {{$t('Please select a file or click the add button on the left.')}}
       </div>
       <template v-else>
         <div class="top-part">
@@ -172,7 +201,8 @@ export default {
       activeFileNode: {},
       dirDialogVisible: false,
       fileDialogVisible: false,
-      nodeExpandedDict: {}
+      nodeExpandedDict: {},
+      isShowDeleteNav: false
     }
   },
   computed: {
@@ -349,9 +379,34 @@ export default {
       this.activeFileNode = data
       this.$st.sendEv('爬虫详情', '文件', '右键点击导航栏')
     },
+    onEmptyClick () {
+      const data = { path: '' }
+      this.isShowCreatePopoverDict = {}
+      this.$set(this.isShowCreatePopoverDict, data.path, true)
+      this.activeFileNode = data
+      this.$st.sendEv('爬虫详情', '文件', '空白点击添加')
+    },
     onHideCreate (data) {
       this.$set(this.isShowCreatePopoverDict, data.path, false)
       this.name = ''
+    },
+    onClickRemoveNav (data) {
+      this.$confirm(this.$t('Are you sure to delete this file/directory?'), this.$t('Notification'), {
+        confirmButtonText: this.$t('Confirm'),
+        cancelButtonText: this.$t('Cancel'),
+        confirmButtonClass: 'danger',
+        type: 'warning'
+      }).then(() => {
+        this.onFileDeleteNav(data.path)
+      })
+    },
+    async onFileDeleteNav (path) {
+      await this.$store.dispatch('file/deleteFile', { path })
+      await this.$store.dispatch('spider/getFileTree')
+      this.$message.success(this.$t('Deleted successfully'))
+      this.isShowDelete = false
+      this.showFile = false
+      this.$st.sendEv('爬虫详情', '文件', '删除')
     }
   },
   async created () {
@@ -509,33 +564,52 @@ export default {
     margin: 0;
   }
 
-  .create-item-list {
+  .action-item-list {
     list-style: none;
     padding: 0;
     margin: 0
   }
 
-  .create-item-title {
+  .action-item-title {
     padding-top: 10px;
     padding-left: 15px;
-    padding-bottom: 10px;
-    border-bottom: 1px solid #eaecef;
+    padding-bottom: 5px;
   }
 
-  .create-item-list .create-item {
+  .action-item-list .action-item {
     display: flex;
     align-items: center;
     height: 35px;
-    padding: 0 0 0 15px;
+    padding: 0 0 0 10px;
     margin: 0;
     cursor: pointer;
   }
 
-  .create-item-list .create-item:hover {
+  .action-item-list .action-item:last-child {
+    border-bottom: 1px solid #eaecef;
+  }
+
+  .action-item-list .action-item:hover {
     background: #F5F7FA;
   }
 
-  .create-item-list .create-item .create-item-text {
+  .action-item-list .action-item svg {
+    width: 20px;
+  }
+
+  .action-item-list .action-item .action-item-text {
     margin-left: 5px;
   }
+
+  .add-btn-wrapper {
+    width: 220px;
+    border-top: 1px solid #eaecef;
+    margin: 10px 10px;
+  }
+
+  .add-btn-wrapper .add-btn {
+    width: 80px;
+    margin-left: calc(120px - 40px - 10px);
+    margin-top: 20px;
+  }
 </style>
diff --git a/frontend/src/i18n/en.js b/frontend/src/i18n/en.js
index b1c6ea43..0ac1c460 100644
--- a/frontend/src/i18n/en.js
+++ b/frontend/src/i18n/en.js
@@ -1 +1,24 @@
-export default {}
+export default {
+  // 内容
+  addNodeInstruction: `
+You cannot add nodes directly on the web interface in Crawlab.
+
+Adding a node is quite simple. The only thing you have to do is to run a Crawlab service on your target machine.
+
+#### Docker Deployment
+If you are running Crawlab using Docker, you can start a new \`worker\` container on the target machine, or add a \`worker\` service in the \`docker-compose.yml\`.
+
+\`\`\`bash
+docker run -d --restart always --name crawlab_worker \\
+  -e CRAWLAB_SERVER_MASTER=N \\
+  -e CRAWLAB_MONGO_HOST=xxx.xxx.xxx.xxx \\ # make sure you are connecting to the same MongoDB
+  -e CRAWLAB_REDIS_ADDRESS=xxx.xxx.xxx.xxx \\ # make sure you are connecting to the same Redis
+  tikazyq/crawlab:latest
+\`\`\`
+
+#### Direct Deploy
+If you are deploying directly, the only thing you have to do is to run a backend service on the target machine, you can refer to [Direct Deploy](https://docs.crawlab.cn/Installation/Direct.html).
+
+For more information, please refer to the [Official Documentation](https://docs.crawlab.cn).
+`
+}
diff --git a/frontend/src/i18n/zh.js b/frontend/src/i18n/zh.js
index a5dddfcc..c9c1d47a 100644
--- a/frontend/src/i18n/zh.js
+++ b/frontend/src/i18n/zh.js
@@ -68,6 +68,9 @@ export default {
   'Rename': '重命名',
   'Install': '安装',
   'Uninstall': '卸载',
+  'Create Directory': '新建目录',
+  'Create File': '新建文件',
+  'Add Node': '添加节点',
 
   // 主页
   'Total Tasks': '总任务数',
@@ -277,6 +280,7 @@ export default {
   'Notification': '提示',
   'Are you sure to delete this node?': '你确定要删除该节点?',
   'Are you sure to run this spider?': '你确定要运行该爬虫?',
+  'Are you sure to delete this file/directory?': '你确定要删除该文件/文件夹?',
   'Added spider successfully': '成功添加爬虫',
   'Uploaded spider files successfully': '成功上传爬虫文件',
   'Node info has been saved successfully': '节点信息已成功保存',
@@ -325,7 +329,7 @@ export default {
   'The schedule has been added': '已添加定时任务',
   'The schedule has been saved': '已保存定时任务',
   'Email format invalid': '邮箱地址格式不正确',
-  'Please select a file on the left.': '请在左侧选择一个文件.',
+  'Please select a file or click the add button on the left.': '请在左侧选择一个文件或点击添加按钮.',
   'New Directory': '新建目录',
   'Enter new directory name': '输入新目录名称',
   'New directory name': '新目录名称',
@@ -379,6 +383,29 @@ export default {
     cron_format: 'Cron 格式: [秒] [分] [小时] [日] [月] [周]'
   },
 
+  // 内容
+  addNodeInstruction: `
+您不能在 Crawlab 的 Web 界面直接添加节点。
+
+添加节点的方式非常简单，您只需要在目标机器上运行一个 Crawlab 服务就可以了。
+
+#### Docker 部署
+如果您是用 Docker 启动 Crawlab，可以在目标机器上运行一个新的 \`worker\` 容器，或者在 \`docker-compose.yml\` 中添加 \`worker\` 服务。
+
+\`\`\`bash
+docker run -d --restart always --name crawlab_worker \\
+  -e CRAWLAB_SERVER_MASTER=N \\
+  -e CRAWLAB_MONGO_HOST=xxx.xxx.xxx.xxx \\ # 保证连接的是同一个 MongoDB
+  -e CRAWLAB_REDIS_ADDRESS=xxx.xxx.xxx.xxx \\ # 保证连接的是同一个 Redis
+  tikazyq/crawlab:latest
+\`\`\`
+
+#### 直接部署
+如果您是用直接部署，只需要在目标机器上启动一个后端服务，请参考 [直接部署文档](https://docs.crawlab.cn/Installation/Direct.html)。
+
+更多信息，请参考 [官方文档](https://docs.crawlab.cn)。
+`,
+
   // 其他
   'Star crawlab-team/crawlab on GitHub': '在 GitHub 上为 Crawlab 加星吧'
 }
diff --git a/frontend/src/router/index.js b/frontend/src/router/index.js
index 666792f1..cb2d0af4 100644
--- a/frontend/src/router/index.js
+++ b/frontend/src/router/index.js
@@ -1,6 +1,8 @@
 import Vue from 'vue'
 import Router from 'vue-router'
 
+import store from '../store'
+import request from '../api/request'
 import stats from '../utils/stats'
 
 /* Layout */
@@ -257,8 +259,13 @@ router.beforeEach((to, from, next) => {
   }
 })
 
-router.afterEach((to, from, next) => {
+router.afterEach(async (to, from, next) => {
   if (to.path) {
+    await store.dispatch('setting/getSetting')
+    const res = await request.get('/version')
+    const version = res.data.data
+    store.commit('version/SET_VERSION', version)
+    sessionStorage.setItem('v', version)
     stats.sendPv(to.path)
   }
 })
diff --git a/frontend/src/store/index.js b/frontend/src/store/index.js
index d6cdf11f..39c3bf18 100644
--- a/frontend/src/store/index.js
+++ b/frontend/src/store/index.js
@@ -14,6 +14,7 @@ import lang from './modules/lang'
 import site from './modules/site'
 import stats from './modules/stats'
 import setting from './modules/setting'
+import version from './modules/version'
 import getters from './getters'
 
 Vue.use(Vuex)
@@ -33,7 +34,8 @@ const store = new Vuex.Store({
     lang,
     site,
     setting,
-    // 百度统计
+    version,
+    // 统计
     stats
   },
   getters
diff --git a/frontend/src/store/modules/version.js b/frontend/src/store/modules/version.js
new file mode 100644
index 00000000..873f21bd
--- /dev/null
+++ b/frontend/src/store/modules/version.js
@@ -0,0 +1,21 @@
+const state = {
+  version: ''
+}
+
+const getters = {}
+
+const mutations = {
+  SET_VERSION: (state, value) => {
+    state.version = value
+  }
+}
+
+const actions = {}
+
+export default {
+  namespaced: true,
+  state,
+  getters,
+  mutations,
+  actions
+}
diff --git a/frontend/src/views/layout/components/Sidebar/index.vue b/frontend/src/views/layout/components/Sidebar/index.vue
index 34679a77..1123d332 100644
--- a/frontend/src/views/layout/components/Sidebar/index.vue
+++ b/frontend/src/views/layout/components/Sidebar/index.vue
@@ -49,7 +49,7 @@ export default {
       return !this.sidebar.opened
     },
     version () {
-      return window.sessionStorage.getItem('v')
+      return this.$store.state.version.version || window.sessionStorage.getItem('v')
     }
   },
   data () {
diff --git a/frontend/src/views/node/NodeList.vue b/frontend/src/views/node/NodeList.vue
index 7b1c50d5..2b721950 100644
--- a/frontend/src/views/node/NodeList.vue
+++ b/frontend/src/views/node/NodeList.vue
@@ -1,26 +1,31 @@
 <template>
   <div class="app-container">
-    <!--filter-->
-    <div v-if="false" class="filter">
-      <el-input prefix-icon="el-icon-search"
-                :placeholder="$t('Search')"
-                class="filter-search"
-                v-model="filter.keyword"
-                @change="onSearch">
-      </el-input>
-      <div class="right">
-        <el-button type="success"
-                   icon="el-icon-refresh"
-                   class="refresh"
-                   @click="onRefresh">
-          {{$t('Refresh')}}
-        </el-button>
+    <el-dialog
+      :visible.sync="isShowAddNodeInstruction"
+      :title="$t('Notification')"
+      width="720px"
+    >
+      <div
+        v-html="addNodeInstructionHtml"
+        class="content markdown-body"
+      >
       </div>
-    </div>
-    <!--./filter-->
+    </el-dialog>
 
     <el-tabs type="border-card" v-model="activeTab">
       <el-tab-pane :label="$t('Node List')">
+        <!--filter-->
+        <div class="filter-wrapper">
+          <el-button
+            size="small"
+            type="success"
+            icon="el-icon-plus"
+            @click="onAddNode"
+          >
+            {{$t('Add Node')}}
+          </el-button>
+        </div>
+        <!--./filter-->
         <!--table list-->
         <el-table :data="filteredTableData"
                   class="table"
@@ -115,7 +120,8 @@
                 <el-button type="primary" icon="el-icon-search" size="mini" @click="onView(scope.row)"></el-button>
               </el-tooltip>
               <el-tooltip :content="$t('Remove')" placement="top">
-                <el-button v-if="scope.row.status !== 'online'" type="danger" icon="el-icon-delete" size="mini" @click="onRemove(scope.row)"></el-button>
+                <el-button v-if="scope.row.status !== 'online'" type="danger" icon="el-icon-delete" size="mini"
+                           @click="onRemove(scope.row)"></el-button>
               </el-tooltip>
             </template>
           </el-table-column>
@@ -141,9 +147,11 @@
 </template>
 
 <script>
+import showdown from 'showdown'
 import {
   mapState
 } from 'vuex'
+import 'github-markdown-css/github-markdown.css'
 import NodeNetwork from '../../components/Node/NodeNetwork'
 
 export default {
@@ -172,7 +180,11 @@ export default {
       nodeFormRules: {
         name: [{ required: true, message: 'Required Field', trigger: 'change' }]
       },
-      activeTab: undefined
+      activeTab: undefined,
+      isButtonClicked: false,
+      isShowAddNodeInstruction: false,
+      converter: new showdown.Converter(),
+      addNodeInstructionMarkdown: 'addNodeInstruction'
     }
   },
   computed: {
@@ -191,16 +203,23 @@ export default {
         }
         return false
       })
+    },
+    addNodeInstructionHtml () {
+      if (!this.converter) return
+      return this.converter.makeHtml(this.$t(this.addNodeInstructionMarkdown))
     }
   },
   methods: {
     onSearch () {
     },
-    onAdd () {
-      this.$store.commit('node/SET_NODE_FORM', [])
-      this.isEditMode = false
-      this.dialogVisible = true
+    onAddNode () {
+      this.isShowAddNodeInstruction = true
     },
+    // onAdd () {
+    //   this.$store.commit('node/SET_NODE_FORM', [])
+    //   this.isEditMode = false
+    //   this.dialogVisible = true
+    // },
     onRefresh () {
       this.$store.dispatch('node/getNodeList')
       this.$st.sendEv('节点列表', '刷新')
@@ -235,6 +254,11 @@ export default {
       this.dialogVisible = true
     },
     onRemove (row) {
+      this.isButtonClicked = true
+      setTimeout(() => {
+        this.isButtonClicked = false
+      }, 100)
+
       this.$confirm(this.$t('Are you sure to delete this node?'), this.$t('Notification'), {
         confirmButtonText: this.$t('Confirm'),
         cancelButtonText: this.$t('Cancel'),
@@ -251,6 +275,11 @@ export default {
       })
     },
     onView (row) {
+      this.isButtonClicked = true
+      setTimeout(() => {
+        this.isButtonClicked = false
+      }, 100)
+
       this.$router.push(`/nodes/${row._id}`)
 
       this.$st.sendEv('节点列表', '查看节点')
@@ -262,6 +291,7 @@ export default {
       this.$store.dispatch('node/getNodeSystemInfo', row._id)
     },
     onRowClick (row) {
+      if (this.isButtonClicked) return
       this.onView(row)
     },
     getExecutables (row) {
@@ -312,6 +342,13 @@ export default {
     padding: 7px;
   }
 
+  .filter-wrapper {
+    text-align: right;
+  }
+
+  .content {
+    word-break: break-word;
+  }
 </style>
 <style>
   .node-detail .el-form-item {
diff --git a/frontend/yarn.lock b/frontend/yarn.lock
index aac06724..05b9aeed 100644
--- a/frontend/yarn.lock
+++ b/frontend/yarn.lock
@@ -3946,6 +3946,11 @@ github-buttons@^2.3.0:
   resolved "https://registry.npm.taobao.org/github-buttons/download/github-buttons-2.6.0.tgz#fa3e031451cee7ba05c3254fa67c73fe783104dc"
   integrity sha1-+j4DFFHO57oFwyVPpnxz/ngxBNw=
 
+github-markdown-css@^3.0.1:
+  version "3.0.1"
+  resolved "https://registry.npm.taobao.org/github-markdown-css/download/github-markdown-css-3.0.1.tgz#d08db1060d2e182025e0d07d547cfe2afed30205"
+  integrity sha1-0I2xBg0uGCAl4NB9VHz+Kv7TAgU=
+
 glob-base@^0.3.0:
   version "0.3.0"
   resolved "http://registry.npm.taobao.org/glob-base/download/glob-base-0.3.0.tgz#dbb164f6221b1c0b1ccf82aea328b497df0ea3c4"