diff --git a/CHANGELOG-zh.md b/CHANGELOG-zh.md
index d0f85f2a..34d53b06 100644
--- a/CHANGELOG-zh.md
+++ b/CHANGELOG-zh.md
@@ -1,3 +1,16 @@
+# 0.4.5 (unkown)
+### 功能 / 优化
+- **交互式教程**. 引导用户了解 Crawlab 的主要功能.
+
+### Bug 修复
+- **点击删除按钮导致跳转**. [#480](https://github.com/crawlab-team/crawlab/issues/480)
+- **无法在空爬虫里创建文件**. [#479](https://github.com/crawlab-team/crawlab/issues/479)
+- **下载结果错误**. [#465](https://github.com/crawlab-team/crawlab/issues/465)
+- **crawlab-sdk CLI 错误**. [#458](https://github.com/crawlab-team/crawlab/issues/458)
+- **页面刷新问题**. [#441](https://github.com/crawlab-team/crawlab/issues/441)
+- **修复“删除爬虫后获取所有爬虫”错误**.
+- **修复 i18n warning 警告**.
+
 # 0.4.4 (2020-01-17)
 
 ### 功能 / 优化
diff --git a/CHANGELOG.md b/CHANGELOG.md
index c7d5f6e5..182df69f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,16 @@
+# 0.4.5 (unkown)
+### Features / Enhancement
+- **Interactive Tutorial**. Guide users through the main functionalities of Crawlab.
+
+### Bug Fixes
+- **Click delete button results in redirect**. [#480](https://github.com/crawlab-team/crawlab/issues/480)
+- **Unable to create files in an empty spider**. [#479](https://github.com/crawlab-team/crawlab/issues/479)
+- **Download results error**. [#465](https://github.com/crawlab-team/crawlab/issues/465)
+- **crawlab-sdk CLI error**. [#458](https://github.com/crawlab-team/crawlab/issues/458)
+- **Page refresh issue**. [#441](https://github.com/crawlab-team/crawlab/issues/441)
+- **Getting all spider after deleting a spider**.
+- **i18n warning**.
+
 # 0.4.4 (2020-01-17)
 ### Features / Enhancement
 - **Email Notification**. Allow users to send email notifications.
diff --git a/backend/template/scrapy/config_spider/spiders/spider.py b/backend/template/scrapy/config_spider/spiders/spider.py
index 0e3c661d..d87f4297 100644
--- a/backend/template/scrapy/config_spider/spiders/spider.py
+++ b/backend/template/scrapy/config_spider/spiders/spider.py
@@ -2,11 +2,14 @@
 import scrapy
 import re
 from config_spider.items import Item
-from urllib.parse import urljoin
+from urllib.parse import urljoin, urlparse
 
 def get_real_url(response, url):
-    if re.search(r'^https?|^\/\/', url):
+    if re.search(r'^https?', url):
         return url
+    elif re.search(r'^\/\/', url):
+        u = urlparse(response.url)
+        return u.scheme + url
     return urljoin(response.url, url)
 
 class ConfigSpider(scrapy.Spider):
diff --git a/frontend/src/components/Config/ConfigList.vue b/frontend/src/components/Config/ConfigList.vue
index b1a10941..fff81080 100644
--- a/frontend/src/components/Config/ConfigList.vue
+++ b/frontend/src/components/Config/ConfigList.vue
@@ -1,5 +1,14 @@
 <template>
   <div class="config-list">
+    <!--tour-->
+    <v-tour
+      name="spider-detail-config"
+      :steps="tourSteps"
+      :callbacks="tourCallbacks"
+      :options="$utils.tour.getOptions(true)"
+    />
+    <!--./tour-->
+
     <!--preview results-->
     <el-dialog :visible.sync="dialogVisible"
                :title="$t('Preview Results')"
@@ -57,6 +66,7 @@
               <li class="item">
                 <label>{{$t('Start URL')}}: </label>
                 <el-input
+                  id="start-url"
                   v-model="spiderForm.config.start_url"
                   :placeholder="$t('Start URL')"
                   :class="startUrlClass"
@@ -65,6 +75,7 @@
               <li class="item">
                 <label>{{$t('Start Stage')}}: </label>
                 <el-select
+                  id="start-stage"
                   v-model="spiderForm.config.start_stage"
                   :placeholder="$t('Start Stage')"
                   :class="startStageClass"
@@ -120,12 +131,12 @@
 
           <div class="button-group-container">
             <div class="button-group">
-              <el-button type="danger" @click="onCrawl">{{$t('Run')}}</el-button>
+              <el-button id="btn-run" type="danger" @click="onCrawl">{{$t('Run')}}</el-button>
               <!--              <el-button type="primary" @click="onExtractFields" v-loading="extractFieldsLoading">-->
               <!--                {{$t('ExtractFields')}}-->
               <!--              </el-button>-->
               <!--              <el-button type="warning" @click="onPreview" v-loading="previewLoading">{{$t('Preview')}}</el-button>-->
-              <el-button type="success" @click="onSave" v-loading="saveLoading">{{$t('Save')}}</el-button>
+              <el-button id="btn-save" type="success" @click="onSave" v-loading="saveLoading">{{$t('Save')}}</el-button>
             </div>
           </div>
         </el-row>
@@ -141,7 +152,7 @@
             <template slot="title">
               <ul class="stage-list">
                 <!--actions-->
-                <li class="stage-item" style="min-width: 80px; flex-basis: 80px; justify-content: flex-end"
+                <li class="stage-item actions" style="min-width: 80px; flex-basis: 80px; justify-content: flex-end"
                     @click="$event.stopPropagation()">
                   <i class="action-item el-icon-copy-document" @click="onCopyStage(stage)"></i>
                   <i class="action-item el-icon-remove-outline" @click="onRemoveStage(stage)"></i>
@@ -377,6 +388,105 @@ export default {
         lineNumbers: true,
         line: true,
         matchBrackets: true
+      },
+      tourSteps: [
+        // stage
+        {
+          target: '.config-list .el-tabs__nav.is-top',
+          content: this.$t('You can switch to each section of configurable spider.')
+        },
+        {
+          target: '#start-url',
+          content: this.$t('Here is the starting URL of the spider.')
+        },
+        {
+          target: '#start-stage',
+          content: this.$t('Here is the starting stage of the spider.<br><br>A <strong>Stage</strong> is basically a callback in the Scrapy spider.')
+        },
+        {
+          target: '#btn-run',
+          content: this.$t('You can run a spider task.<br><br>Spider will be automatically saved when clicking on this button.')
+        },
+        {
+          target: '.stage-item.actions',
+          content: this.$t('Add/duplicate/delete a stage.'),
+          params: {
+            placement: 'right'
+          }
+        },
+        {
+          target: '.fields-table-view td.action',
+          content: this.$t('Add/duplicate/delete an extract field in the stage.'),
+          params: {
+            placement: 'right'
+          }
+        },
+        {
+          target: '.stage-item:nth-child(3)',
+          content: this.$t('You can decide whether this is a list page.<br><br>Click on the CSS/XPath tag to enter the selector expression for list items.<br>For example, "<code>ul > li</code>"'),
+          params: {
+            placement: 'top'
+          }
+        },
+        {
+          target: '.stage-item:nth-child(4)',
+          content: this.$t('You can decide whether this is a list page with pagination.<br><br>Click on the CSS/XPath tag to enter the selector expression for the pagination.<br>For example, "<code>a.next</code>"'),
+          params: {
+            placement: 'top'
+          }
+        },
+        {
+          target: '.fields-table-view',
+          content: this.$t('You should enter necessary information for all fields in the stage.'),
+          params: {
+            placement: 'top'
+          }
+        },
+        {
+          target: '.fields-table-view tr:nth-child(1) td:nth-child(7)',
+          content: this.$t('If you have multiple stages, e.g. list page + detail page, you should select the next stage in the detail link\'s field.'),
+          params: {
+            placement: 'top'
+          }
+        },
+        // process
+        {
+          target: '#tab-process',
+          content: this.$t('You can view the<br> visualization of the stage<br> workflow.')
+        },
+        // settings
+        {
+          target: '#tab-settings',
+          content: this.$t('You can add the settings here, which will be loaded in the Scrapy\'s <code>settings.py</code> file.<br><br>JSON and Array data are supported.')
+        },
+        // Spiderfile
+        {
+          target: '#tab-spiderfile',
+          content: this.$t('You can edit the <code>Spiderfile</code> here.<br><br>For more information, please refer to the <a href="https://docs.crawlab.cn/Usage/Spider/ConfigurableSpider.html" target="_blank" style="color: #409EFF">Documentation (Chinese)</a>.')
+        }
+      ],
+      tourCallbacks: {
+        onStop: () => {
+          this.$utils.tour.finishTour('spider-detail-config')
+        },
+        onPreviousStep: (currentStep) => {
+          if (currentStep === 10) {
+            this.activeTab = 'stages'
+          } else if (currentStep === 11) {
+            this.activeTab = 'process'
+          } else if (currentStep === 12) {
+            this.activeTab = 'settings'
+          }
+        },
+        onNextStep: (currentStep) => {
+          if (currentStep === 9) {
+            this.activeTab = 'process'
+          } else if (currentStep === 10) {
+            this.activeTab = 'settings'
+          } else if (currentStep === 11) {
+            this.activeTab = 'spiderfile'
+          }
+        }
       }
     }
   },
diff --git a/frontend/src/i18n/index.js b/frontend/src/i18n/index.js
index 6c89075b..1b4687f1 100644
--- a/frontend/src/i18n/index.js
+++ b/frontend/src/i18n/index.js
@@ -10,7 +10,8 @@ const i18n = new VueI18n({
   messages: {
     en,
     zh
-  }
+  },
+  silentTranslationWarn: true
 })
 
 export default i18n
diff --git a/frontend/src/i18n/zh.js b/frontend/src/i18n/zh.js
index 9a7fefe8..41585438 100644
--- a/frontend/src/i18n/zh.js
+++ b/frontend/src/i18n/zh.js
@@ -434,6 +434,19 @@ docker run -d --restart always --name crawlab_worker \\
   'You can edit, save, rename<br> and delete the selected file <br>in this box.': '在这个栏位中，您可以<br>编辑、保存、重命名、<br>删除所选择的文件',
   'Here you can add environment variables that will be passed to the spider program when running a task.': '这里您可以添加环境变量，这些环境变量会被传入运行的爬虫程序中',
   'You can add, edit and delete schedules (cron jobs) for the spider.': '您可以添加、修改、删除爬虫的定时任务',
+  'You can switch to each section of configurable spider.': '您可以切换到可配置爬虫的每一个部分',
+  'Here is the starting URL of the spider.': '这里是爬虫的起始URL',
+  'Here is the starting stage of the spider.<br><br>A <strong>Stage</strong> is basically a callback in the Scrapy spider.': '这里是爬虫的起始阶段<br><br><strong>阶段</strong>就是 Scrapy 爬虫中的回调函数',
+  'You can run a spider task.<br><br>Spider will be automatically saved when clicking on this button.': '您可以运行爬虫任务<br><br>点击该按钮会自动保存爬虫',
+  'Add/duplicate/delete a stage.': '添加/复制/删除阶段',
+  'Add/duplicate/delete an extract field in the stage.': '添加/复制/删除该阶段下的抓取字段',
+  'You can decide whether this is a list page.<br><br>Click on the CSS/XPath tag to enter the selector expression for list items.<br>For example, "<code>ul > li</code>"': '您可以决定这是否为一个列表页<br><br>点击 CSS/XPath 标签来输入列表元素的选择器表达式<br>例如 "<code>ul > li</code>"',
+  'You can decide whether this is a list page with pagination.<br><br>Click on the CSS/XPath tag to enter the selector expression for the pagination.<br>For example, "<code>a.next</code>"': '您可以决定这是否为一个含分页的列表页<br><br>点击 CSS/XPath 标签来输入分页的选择器表达式<br>例如 "<code>a.next</code>"',
+  'You should enter necessary information for all fields in the stage.': '您应该输入该阶段下所有字段的信息',
+  'If you have multiple stages, e.g. list page + detail page, you should select the next stage in the detail link\'s field.': '如果您有多个阶段，例如列表页+详情页，您应该在详情页链接字段中选择下一个阶段',
+  'You can view the<br> visualization of the stage<br> workflow.': '您可以查看阶段工作流的<br>可视化界面',
+  'You can add the settings here, which will be loaded in the Scrapy\'s <code>settings.py</code> file.<br><br>JSON and Array data are supported.': '您可以在这里添加设置，它们会在 Scrapy 中的 <code>settings.py</code> 中被加载<br><br>JSON 和数组都支持',
+  'You can edit the <code>Spiderfile</code> here.<br><br>For more information, please refer to the <a href="https://docs.crawlab.cn/Usage/Spider/ConfigurableSpider.html" target="_blank" style="color: #409EFF">Documentation (Chinese)</a>.': '您可以在这里编辑 <code>Spiderfile</code><br><br>更多信息, 请参考 <a href="https://docs.crawlab.cn/Usage/Spider/ConfigurableSpider.html" target="_blank" style="color: #409EFF">文档</a>.',
 
   // 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 cb2d0af4..a4ba50e1 100644
--- a/frontend/src/router/index.js
+++ b/frontend/src/router/index.js
@@ -47,35 +47,6 @@ export const constantRouterMap = [
       }
     ]
   },
-  {
-    path: '/nodes',
-    component: Layout,
-    meta: {
-      title: 'Node',
-      icon: 'fa fa-server'
-    },
-    children: [
-      {
-        path: '',
-        name: 'NodeList',
-        component: () => import('../views/node/NodeList'),
-        meta: {
-          title: 'Nodes',
-          icon: 'fa fa-server'
-        }
-      },
-      {
-        path: ':id',
-        name: 'NodeDetail',
-        component: () => import('../views/node/NodeDetail'),
-        meta: {
-          title: 'Node Detail',
-          icon: 'fa fa-circle-o'
-        },
-        hidden: true
-      }
-    ]
-  },
   {
     path: '/spiders',
     component: Layout,
@@ -155,21 +126,49 @@ export const constantRouterMap = [
     ]
   },
   {
-    path: '/sites',
+    path: '/nodes',
     component: Layout,
-    hidden: true,
     meta: {
-      title: 'Site',
-      icon: 'fa fa-sitemap'
+      title: 'Node',
+      icon: 'fa fa-server'
     },
     children: [
       {
         path: '',
-        name: 'SiteList',
-        component: () => import('../views/site/SiteList'),
+        name: 'NodeList',
+        component: () => import('../views/node/NodeList'),
         meta: {
-          title: 'Sites',
-          icon: 'fa fa-sitemap'
+          title: 'Nodes',
+          icon: 'fa fa-server'
+        }
+      },
+      {
+        path: ':id',
+        name: 'NodeDetail',
+        component: () => import('../views/node/NodeDetail'),
+        meta: {
+          title: 'Node Detail',
+          icon: 'fa fa-circle-o'
+        },
+        hidden: true
+      }
+    ]
+  },
+  {
+    path: '/disclaimer',
+    component: Layout,
+    meta: {
+      title: 'Disclaimer',
+      icon: 'fa fa-exclamation-triangle'
+    },
+    children: [
+      {
+        path: '',
+        name: 'Disclaimer',
+        component: () => import('../views/doc/Disclaimer'),
+        meta: {
+          title: 'Disclaimer',
+          icon: 'fa fa-exclamation-triangle'
         }
       }
     ]
@@ -193,25 +192,6 @@ export const constantRouterMap = [
       }
     ]
   },
-  {
-    path: '/disclaimer',
-    component: Layout,
-    meta: {
-      title: 'Disclaimer',
-      icon: 'fa fa-exclamation-triangle'
-    },
-    children: [
-      {
-        path: '',
-        name: 'Disclaimer',
-        component: () => import('../views/doc/Disclaimer'),
-        meta: {
-          title: 'Disclaimer',
-          icon: 'fa fa-exclamation-triangle'
-        }
-      }
-    ]
-  },
   {
     path: '/setting',
     component: Layout,
diff --git a/frontend/src/views/spider/SpiderDetail.vue b/frontend/src/views/spider/SpiderDetail.vue
index 04d8d102..4a30341b 100644
--- a/frontend/src/views/spider/SpiderDetail.vue
+++ b/frontend/src/views/spider/SpiderDetail.vue
@@ -184,6 +184,12 @@ export default {
         setTimeout(() => {
           this.$refs['config'].update()
         }, 0)
+
+        if (!this.$utils.tour.isFinishedTour('spider-detail-config')) {
+          setTimeout(() => {
+            this.$tours['spider-detail-config'].start()
+          }, 100)
+        }
       }
       this.$st.sendEv('爬虫详情', '切换标签', tab.name)
     },
diff --git a/frontend/src/views/task/TaskList.vue b/frontend/src/views/task/TaskList.vue
index b217e078..b6001a5e 100644
--- a/frontend/src/views/task/TaskList.vue
+++ b/frontend/src/views/task/TaskList.vue
@@ -38,13 +38,15 @@
 
       <!--table list-->
       <el-table :data="filteredTableData"
+                ref="table"
                 class="table"
                 :header-cell-style="{background:'rgb(48, 65, 86)',color:'white'}"
                 border
+                row-key="_id"
                 @row-click="onRowClick"
                 @selection-change="onSelectionChange">
       >
-        <el-table-column type="selection" width="55"/>
+        <el-table-column type="selection" width="55" reserve-selection/>
         <template v-for="col in columns">
           <el-table-column v-if="col.name === 'spider_name'"
                            :key="col.name"
@@ -240,7 +242,6 @@ export default {
   },
   methods: {
     onSearch (value) {
-      console.log(value)
     },
     onRefresh () {
       this.$store.dispatch('task/getTaskList')
@@ -267,6 +268,7 @@ export default {
               message: '删除任务成功'
             })
             this.$store.dispatch('task/getTaskList')
+            this.$refs['table'].clearSelection()
             return
           }
           this.$message({
diff --git a/jenkins/master/docker-compose.yaml b/jenkins/master/docker-compose.yaml
index ae16079c..f23be242 100644
--- a/jenkins/master/docker-compose.yaml
+++ b/jenkins/master/docker-compose.yaml
@@ -41,6 +41,5 @@ services:
       - "/opt/crawlab/redis/data:/data"
   splash:  # use Splash to run spiders on dynamic pages
     image: scrapinghub/splash
-    container_name: splash
     # ports:
     #   - "8050:8050"