diff --git a/package.json b/package.json
index 83e93bce..aef30525 100644
--- a/package.json
+++ b/package.json
@@ -37,19 +37,19 @@
     "axios": "0.18.0",
     "clipboard": "1.7.1",
     "codemirror": "5.39.2",
-    "connect": "3.6.6",
     "driver.js": "0.8.1",
     "dropzone": "5.2.0",
     "echarts": "4.1.0",
     "element-ui": "2.4.11",
     "file-saver": "1.3.8",
+    "fuse.js": "3.4.2",
     "js-cookie": "2.2.0",
     "jsonlint": "1.6.3",
     "jszip": "3.1.5",
     "mockjs": "1.0.1-beta3",
     "normalize.css": "7.0.0",
     "nprogress": "0.2.0",
-    "screenfull": "3.3.3",
+    "screenfull": "4.0.0",
     "showdown": "1.8.6",
     "sortablejs": "1.7.0",
     "tui-editor": "1.2.7",
@@ -76,6 +76,7 @@
     "babel-preset-stage-2": "6.24.1",
     "chalk": "2.4.1",
     "compression-webpack-plugin": "2.0.0",
+    "connect": "3.6.6",
     "copy-webpack-plugin": "4.5.2",
     "cross-env": "5.2.0",
     "css-loader": "1.0.0",
diff --git a/src/components/Breadcrumb/index.vue b/src/components/Breadcrumb/index.vue
index 5bc7a1b8..5f4d054f 100644
--- a/src/components/Breadcrumb/index.vue
+++ b/src/components/Breadcrumb/index.vue
@@ -63,7 +63,7 @@ export default {
     display: inline-block;
     font-size: 14px;
     line-height: 50px;
-    margin-left: 10px;
+    margin-left: 8px;
     .no-redirect {
       color: #97a8be;
       cursor: text;
diff --git a/src/components/ErrorLog/index.vue b/src/components/ErrorLog/index.vue
index 1fd883d0..c46cf110 100644
--- a/src/components/ErrorLog/index.vue
+++ b/src/components/ErrorLog/index.vue
@@ -1,21 +1,8 @@
 <template>
   <div v-if="errorLogs.length>0">
-    <el-badge :is-dot="true" style="line-height: 30px;" @click.native="dialogTableVisible=true">
-      <el-button size="small" type="danger" class="bug-btn">
-        <svg
-          t="1492682037685"
-          class="bug-svg"
-          viewBox="0 0 1024 1024"
-          version="1.1"
-          xmlns="http://www.w3.org/2000/svg"
-          p-id="1863"
-          xmlns:xlink="http://www.w3.org/1999/xlink"
-          width="128"
-          height="128">
-          <path
-            d="M969.142857 548.571429q0 14.848-10.861714 25.709714t-25.709714 10.861714l-128 0q0 97.718857-38.290286 165.705143l118.857143 119.442286q10.861714 10.861714 10.861714 25.709714t-10.861714 25.709714q-10.276571 10.861714-25.709714 10.861714t-25.709714-10.861714l-113.152-112.566857q-2.852571 2.852571-8.557714 7.424t-23.990857 16.274286-37.156571 20.845714-46.848 16.566857-55.442286 7.424l0-512-73.142857 0 0 512q-29.147429 0-58.002286-7.716571t-49.700571-18.870857-37.705143-22.272-24.868571-18.578286l-8.557714-8.009143-104.557714 118.272q-11.446857 11.995429-27.428571 11.995429-13.714286 0-24.576-9.142857-10.861714-10.276571-11.702857-25.417143t8.850286-26.587429l115.419429-129.718857q-33.133714-65.133714-33.133714-156.562286l-128 0q-14.848 0-25.709714-10.861714t-10.861714-25.709714 10.861714-25.709714 25.709714-10.861714l128 0 0-168.009143-98.852571-98.852571q-10.861714-10.861714-10.861714-25.709714t10.861714-25.709714 25.709714-10.861714 25.709714 10.861714l98.852571 98.852571 482.304 0 98.852571-98.852571q10.861714-10.861714 25.709714-10.861714t25.709714 10.861714 10.861714 25.709714-10.861714 25.709714l-98.852571 98.852571 0 168.009143 128 0q14.848 0 25.709714 10.861714t10.861714 25.709714zM694.857143 219.428571l-365.714286 0q0-75.995429 53.430857-129.426286t129.426286-53.430857 129.426286 53.430857 53.430857 129.426286z"
-            p-id="1864"/>
-        </svg>
+    <el-badge :is-dot="true" style="line-height: 25px;margin-top: -5px;" @click.native="dialogTableVisible=true">
+      <el-button style="padding: 8px 10px;" size="small" type="danger">
+        <svg-icon icon-class="bug" />
       </el-button>
     </el-badge>
 
@@ -67,16 +54,6 @@ export default {
 </script>
 
 <style scoped>
-.bug-btn.el-button--small {
-  padding: 9px 10px;
-}
-.bug-svg {
-  width: 1em;
-  height: 1em;
-  vertical-align: -0.15em;
-  fill: currentColor;
-  overflow: hidden;
-}
 .message-title {
   font-size: 16px;
   color: #333;
diff --git a/src/components/Hamburger/index.vue b/src/components/Hamburger/index.vue
index 220d67ec..ca7457c1 100644
--- a/src/components/Hamburger/index.vue
+++ b/src/components/Hamburger/index.vue
@@ -1,5 +1,5 @@
 <template>
-  <div>
+  <div style="padding: 0 15px;" @click="toggleClick">
     <svg
       :class="{'is-active':isActive}"
       class="hamburger"
@@ -7,7 +7,7 @@
       xmlns="http://www.w3.org/2000/svg"
       width="64"
       height="64"
-      @click="toggleClick">
+    >
       <path d="M408 442h480c4.4 0 8-3.6 8-8v-56c0-4.4-3.6-8-8-8H408c-4.4 0-8 3.6-8 8v56c0 4.4 3.6 8 8 8zm-8 204c0 4.4 3.6 8 8 8h480c4.4 0 8-3.6 8-8v-56c0-4.4-3.6-8-8-8H408c-4.4 0-8 3.6-8 8v56zm504-486H120c-4.4 0-8 3.6-8 8v56c0 4.4 3.6 8 8 8h784c4.4 0 8-3.6 8-8v-56c0-4.4-3.6-8-8-8zm0 632H120c-4.4 0-8 3.6-8 8v56c0 4.4 3.6 8 8 8h784c4.4 0 8-3.6 8-8v-56c0-4.4-3.6-8-8-8zM142.4 642.1L298.7 519a8.84 8.84 0 0 0 0-13.9L142.4 381.9c-5.8-4.6-14.4-.5-14.4 6.9v246.3a8.9 8.9 0 0 0 14.4 7z" />
     </svg>
   </div>
@@ -32,10 +32,11 @@ export default {
 <style scoped>
 .hamburger {
   display: inline-block;
-  cursor: pointer;
+  vertical-align: middle;
   width: 20px;
   height: 20px;
 }
+
 .hamburger.is-active {
   transform: rotate(180deg);
 }
diff --git a/src/components/HeaderSearch/index.vue b/src/components/HeaderSearch/index.vue
new file mode 100644
index 00000000..ab0d556a
--- /dev/null
+++ b/src/components/HeaderSearch/index.vue
@@ -0,0 +1,187 @@
+<template>
+  <div :class="{'show':show}" class="header-search">
+    <svg-icon class-name="search-icon" icon-class="search" @click="click" />
+    <el-select
+      ref="headerSearchSelect"
+      v-model="search"
+      :remote-method="querySearch"
+      filterable
+      default-first-option
+      remote
+      placeholder="Search"
+      class="header-search-select"
+      @change="change">
+      <el-option v-for="item in options" :key="item.path" :value="item" :label="item.title.join(' > ')"/>
+    </el-select>
+  </div>
+</template>
+
+<script>
+import Fuse from 'fuse.js'
+import path from 'path'
+import i18n from '@/lang'
+
+export default {
+  name: 'HeaderSearch',
+  data() {
+    return {
+      search: '',
+      options: [],
+      searchPool: [],
+      show: false,
+      fuse: undefined
+    }
+  },
+  computed: {
+    routers() {
+      return this.$store.getters.permission_routers
+    },
+    lang() {
+      return this.$store.getters.language
+    }
+  },
+  watch: {
+    lang() {
+      this.searchPool = this.generateRouters(this.routers)
+    },
+    routers() {
+      this.searchPool = this.generateRouters(this.routers)
+    },
+    searchPool(list) {
+      this.initFuse(list)
+    },
+    show(value) {
+      if (value) {
+        document.body.addEventListener('click', this.close)
+      } else {
+        document.body.removeEventListener('click', this.close)
+      }
+    }
+  },
+  mounted() {
+    this.searchPool = this.generateRouters(this.routers)
+  },
+  methods: {
+    click() {
+      this.show = !this.show
+      if (this.show) {
+        this.$refs.headerSearchSelect && this.$refs.headerSearchSelect.focus()
+      }
+    },
+    close() {
+      this.$refs.headerSearchSelect && this.$refs.headerSearchSelect.blur()
+      this.options = []
+      this.show = false
+    },
+    change(val) {
+      this.$router.push(val.path)
+      this.search = ''
+      this.options = []
+      this.$nextTick(() => {
+        this.show = false
+      })
+    },
+    initFuse(list) {
+      this.fuse = new Fuse(list, {
+        shouldSort: true,
+        threshold: 0.4,
+        location: 0,
+        distance: 100,
+        maxPatternLength: 32,
+        minMatchCharLength: 1,
+        keys: [{
+          name: 'title',
+          weight: 0.7
+        }, {
+          name: 'path',
+          weight: 0.3
+        }]
+      })
+    },
+    // Filter out the routes that can be displayed in the sidebar
+    // And generate the internationalized title
+    generateRouters(routers, basePath = '/', prefixTitle = []) {
+      let res = []
+
+      for (const router of routers) {
+        // skip hidden router
+        if (router.hidden) { continue }
+
+        const data = {
+          path: path.resolve(basePath, router.path),
+          title: [...prefixTitle]
+        }
+
+        if (router.meta && router.meta.title) {
+          // generate internationalized title
+          const i18ntitle = i18n.t(`route.${router.meta.title}`)
+
+          data.title = [...data.title, i18ntitle]
+
+          if (router.redirect !== 'noredirect') {
+            // only push the routes with title
+            // special case: need to exclude parent router without redirect
+            res.push(data)
+          }
+        }
+
+        // recursive child routers
+        if (router.children) {
+          const tempRouters = this.generateRouters(router.children, data.path, data.title)
+          if (tempRouters.length >= 1) {
+            res = [...res, ...tempRouters]
+          }
+        }
+      }
+      return res
+    },
+    querySearch(query) {
+      if (query !== '') {
+        this.options = this.fuse.search(query)
+      } else {
+        this.options = []
+      }
+    }
+  }
+}
+</script>
+
+<style lang="scss" scoped>
+.header-search {
+  font-size: 0 !important;
+
+  .search-icon {
+    cursor: pointer;
+    font-size: 18px;
+    vertical-align: middle;
+  }
+
+  .header-search-select {
+    font-size: 18px;
+    transition: width 0.2s;
+    width: 0;
+    overflow: hidden;
+    background: transparent;
+    border-radius: 0;
+    display: inline-block;
+    vertical-align: middle;
+
+    /deep/ .el-input__inner {
+      border-radius: 0;
+      border: 0;
+      padding-left: 0;
+      padding-right: 0;
+      box-shadow: none !important;
+      border-bottom: 1px solid #d9d9d9;
+      vertical-align: middle;
+    }
+  }
+
+  &.show {
+    .header-search-select {
+      width: 210px;
+      margin-left: 10px;
+    }
+  }
+}
+</style>
diff --git a/src/components/Kanban/index.vue b/src/components/Kanban/index.vue
index 4975dbdd..dadeb648 100644
--- a/src/components/Kanban/index.vue
+++ b/src/components/Kanban/index.vue
@@ -41,7 +41,7 @@ export default {
   }
 }
 </script>
-<style lang="scss">
+<style lang="scss" scoped>
 .board-column {
   min-width: 300px;
   min-height: 100px;
@@ -81,7 +81,7 @@ export default {
       line-height: 54px;
       padding: 5px 10px;
       box-sizing: border-box;
-      box-shadow: 0px 1px 3px 0 rgba(0,0,0,0.2);
+      box-shadow: 0px 1px 3px 0 rgba(0, 0, 0, 0.2);
     }
   }
 }
diff --git a/src/components/LangSelect/index.vue b/src/components/LangSelect/index.vue
index ef5f2c44..fea7ba71 100644
--- a/src/components/LangSelect/index.vue
+++ b/src/components/LangSelect/index.vue
@@ -30,12 +30,3 @@ export default {
   }
 }
 </script>
-
-<style scoped>
-.international-icon {
-  font-size: 20px;
-  cursor: pointer;
-  vertical-align: -5px!important;
-}
-</style>
-
diff --git a/src/components/Screenfull/index.vue b/src/components/Screenfull/index.vue
index 4cdcb568..479bf3e3 100644
--- a/src/components/Screenfull/index.vue
+++ b/src/components/Screenfull/index.vue
@@ -1,29 +1,6 @@
 <template>
   <div>
-    <svg
-      t="1508738709248"
-      class="screenfull-svg"
-      viewBox="0 0 1024 1024"
-      version="1.1"
-      xmlns="http://www.w3.org/2000/svg"
-      p-id="2069"
-      xmlns:xlink="http://www.w3.org/1999/xlink"
-      width="32"
-      height="32"
-      @click="click">
-      <path
-        d="M333.493443 428.647617 428.322206 333.832158 262.572184 168.045297 366.707916 64.444754 64.09683 64.444754 63.853283 366.570793 167.283957 262.460644Z"
-        p-id="2070"/>
-      <path
-        d="M854.845439 760.133334 688.61037 593.95864 593.805144 688.764889 759.554142 854.56096 655.44604 958.161503 958.055079 958.161503 958.274066 656.035464Z"
-        p-id="2071"/>
-      <path
-        d="M688.535669 428.550403 854.31025 262.801405 957.935352 366.921787 957.935352 64.34754 655.809313 64.081481 759.919463 167.535691 593.70793 333.731874Z"
-        p-id="2072"/>
-      <path
-        d="M333.590658 594.033341 167.8171 759.804852 64.218604 655.67219 64.218604 958.270996 366.342596 958.502263 262.234493 855.071589 428.421466 688.86108Z"
-        p-id="2073"/>
-    </svg>
+    <svg-icon :icon-class="isFullscreen?'exit-fullscreen':'fullscreen'" @click="click" />
   </div>
 </template>
 
@@ -32,25 +9,14 @@ import screenfull from 'screenfull'
 
 export default {
   name: 'Screenfull',
-  props: {
-    width: {
-      type: Number,
-      default: 22
-    },
-    height: {
-      type: Number,
-      default: 22
-    },
-    fill: {
-      type: String,
-      default: '#48576a'
-    }
-  },
   data() {
     return {
       isFullscreen: false
     }
   },
+  mounted() {
+    this.init()
+  },
   methods: {
     click() {
       if (!screenfull.enabled) {
@@ -61,6 +27,13 @@ export default {
         return false
       }
       screenfull.toggle()
+    },
+    init() {
+      if (screenfull.enabled) {
+        screenfull.on('change', () => {
+          this.isFullscreen = screenfull.isFullscreen
+        })
+      }
     }
   }
 }
diff --git a/src/components/SizeSelect/index.vue b/src/components/SizeSelect/index.vue
index a92a17c3..6d3cd43a 100644
--- a/src/components/SizeSelect/index.vue
+++ b/src/components/SizeSelect/index.vue
@@ -53,12 +53,3 @@ export default {
 
 }
 </script>
-
-<style scoped>
-.size-icon {
-  font-size: 20px;
-  cursor: pointer;
-  vertical-align: -4px!important;
-}
-</style>
-
diff --git a/src/components/SvgIcon/index.vue b/src/components/SvgIcon/index.vue
index 12a1f58d..b0b6d4cb 100644
--- a/src/components/SvgIcon/index.vue
+++ b/src/components/SvgIcon/index.vue
@@ -1,5 +1,5 @@
 <template>
-  <svg :class="svgClass" aria-hidden="true">
+  <svg :class="svgClass" aria-hidden="true" v-on="$listeners">
     <use :xlink:href="iconName"/>
   </svg>
 </template>
diff --git a/src/components/ThemePicker/index.vue b/src/components/ThemePicker/index.vue
index 5d1ff8bd..332b07e7 100644
--- a/src/components/ThemePicker/index.vue
+++ b/src/components/ThemePicker/index.vue
@@ -136,7 +136,10 @@ export default {
 
 <style>
 .theme-picker .el-color-picker__trigger {
-  vertical-align: middle;
+  margin-top: 12px;
+  height: 26px!important;
+  width: 26px!important;
+  padding: 2px;
 }
 
 .theme-picker-dropdown .el-color-dropdown__link-btn {
diff --git a/src/icons/svg/exit-fullscreen.svg b/src/icons/svg/exit-fullscreen.svg
new file mode 100644
index 00000000..485c128b
--- /dev/null
+++ b/src/icons/svg/exit-fullscreen.svg
@@ -0,0 +1 @@
+<svg width="128" height="128" xmlns="http://www.w3.org/2000/svg"><path d="M49.217 41.329l-.136-35.24c-.06-2.715-2.302-4.345-5.022-4.405h-3.65c-2.712-.06-4.866 2.303-4.806 5.016l.152 19.164-24.151-23.79a6.698 6.698 0 0 0-9.499 0 6.76 6.76 0 0 0 0 9.526l23.93 23.713-18.345.074c-2.712-.069-5.228 1.813-5.64 5.02v3.462c.069 2.721 2.31 4.97 5.022 5.03l35.028-.207c.052.005.087.025.133.025l2.457.054a4.626 4.626 0 0 0 3.436-1.38c.88-.874 1.205-2.096 1.169-3.462l-.262-2.465c0-.048.182-.081.182-.136h.002zm52.523 51.212l18.32-.073c2.713.06 5.224-1.609 5.64-4.815v-3.462c-.068-2.722-2.317-4.97-5.021-5.04l-34.58.21c-.053 0-.086-.021-.138-.021l-2.451-.06a4.64 4.64 0 0 0-3.445 1.381c-.885.868-1.201 2.094-1.174 3.46l.27 2.46c.005.06-.177.095-.177.141l.141 34.697c.069 2.713 2.31 4.338 5.022 4.397l3.45.006c2.705.062 4.867-2.31 4.8-5.026l-.153-18.752 24.151 23.946a6.69 6.69 0 0 0 9.494 0 6.747 6.747 0 0 0 0-9.523L101.74 92.54v.001zM48.125 80.662a4.636 4.636 0 0 0-3.437-1.382l-2.457.06c-.05 0-.082.022-.137.022l-35.025-.21c-2.712.07-4.957 2.318-5.022 5.04v3.462c.409 3.206 2.925 4.874 5.633 4.814l18.554.06-24.132 23.928c-2.62 2.626-2.62 6.89 0 9.524a6.694 6.694 0 0 0 9.496 0l24.155-23.79-.155 18.866c-.06 2.722 2.094 5.093 4.801 5.025h3.65c2.72-.069 4.962-1.685 5.022-4.406l.141-34.956c0-.05-.182-.082-.182-.136l.262-2.46c.03-1.366-.286-2.592-1.166-3.46h-.001zM80.08 47.397a4.62 4.62 0 0 0 3.443 1.374l2.45-.054c.055 0 .088-.02.143-.028l35.08.21c2.712-.062 4.953-2.312 5.021-5.033l.009-3.463c-.417-3.211-2.937-5.084-5.64-5.025l-18.615-.073 23.917-23.715c2.63-2.623 2.63-6.879.008-9.513a6.691 6.691 0 0 0-9.494 0L92.251 26.016l.155-19.312c.065-2.713-2.097-5.085-4.802-5.025h-3.45c-2.713.069-4.954 1.693-5.022 4.406l-.139 35.247c0 .054.18.088.18.136l-.267 2.465c-.028 1.366.288 2.588 1.174 3.463v.001z"/></svg>
\ No newline at end of file
diff --git a/src/icons/svg/fullscreen.svg b/src/icons/svg/fullscreen.svg
new file mode 100644
index 00000000..0e86b6fa
--- /dev/null
+++ b/src/icons/svg/fullscreen.svg
@@ -0,0 +1 @@
+<svg width="128" height="128" xmlns="http://www.w3.org/2000/svg"><path d="M38.47 52L52 38.462l-23.648-23.67L43.209 0H.035L0 43.137l14.757-14.865L38.47 52zm74.773 47.726L89.526 76 76 89.536l23.648 23.672L84.795 128h43.174L128 84.863l-14.757 14.863zM89.538 52l23.668-23.648L128 43.207V.038L84.866 0 99.73 14.76 76 38.472 89.538 52zM38.46 76L14.792 99.651 0 84.794v43.173l43.137.033-14.865-14.757L52 89.53 38.46 76z"/></svg>
\ No newline at end of file
diff --git a/src/icons/svg/search.svg b/src/icons/svg/search.svg
new file mode 100644
index 00000000..84233dda
--- /dev/null
+++ b/src/icons/svg/search.svg
@@ -0,0 +1 @@
+<svg width="128" height="128" xmlns="http://www.w3.org/2000/svg"><path d="M124.884 109.812L94.256 79.166c-.357-.357-.757-.629-1.129-.914a50.366 50.366 0 0 0 8.186-27.59C101.327 22.689 78.656 0 50.67 0 22.685 0 0 22.688 0 50.663c0 27.989 22.685 50.663 50.656 50.663 10.186 0 19.643-3.03 27.6-8.201.286.385.557.771.9 1.114l30.628 30.632a10.633 10.633 0 0 0 7.543 3.129c2.728 0 5.457-1.043 7.543-3.115 4.171-4.157 4.171-10.915.014-15.073M50.671 85.338C31.557 85.338 16 69.78 16 50.663c0-19.102 15.557-34.661 34.67-34.661 19.115 0 34.657 15.559 34.657 34.675 0 19.102-15.557 34.661-34.656 34.661"/></svg>
\ No newline at end of file
diff --git a/src/lang/en.js b/src/lang/en.js
index 2af355b1..05b34598 100644
--- a/src/lang/en.js
+++ b/src/lang/en.js
@@ -58,6 +58,7 @@ export default {
     selectExcel: 'Export Selected',
     uploadExcel: 'Upload Excel',
     zip: 'Zip',
+    pdf: 'PDF',
     exportZip: 'Export Zip',
     theme: 'Theme',
     clipboardDemo: 'Clipboard',
@@ -68,7 +69,6 @@ export default {
     logOut: 'Log Out',
     dashboard: 'Dashboard',
     github: 'Github',
-    screenfull: 'Screenfull',
     theme: 'Theme',
     size: 'Global Size'
   },
diff --git a/src/lang/es.js b/src/lang/es.js
index 1268f083..8575d382 100755
--- a/src/lang/es.js
+++ b/src/lang/es.js
@@ -58,6 +58,7 @@ export default {
     selectExcel: 'Export seleccionado',
     uploadExcel: 'Subir Excel',
     zip: 'Zip',
+    pdf: 'PDF',
     exportZip: 'Exportar a Zip',
     theme: 'Tema',
     clipboardDemo: 'Clipboard',
@@ -68,7 +69,6 @@ export default {
     logOut: 'Salir',
     dashboard: 'Panel de control',
     github: 'Github',
-    screenfull: 'Pantalla completa',
     theme: 'Tema',
     size: 'Tamaño global'
   },
diff --git a/src/lang/zh.js b/src/lang/zh.js
index 4371713f..1fd18355 100644
--- a/src/lang/zh.js
+++ b/src/lang/zh.js
@@ -58,6 +58,7 @@ export default {
     selectExcel: 'Export Selected',
     uploadExcel: 'Upload Excel',
     zip: 'Zip',
+    pdf: 'PDF',
     exportZip: 'Export Zip',
     theme: '换肤',
     clipboardDemo: 'Clipboard',
@@ -68,7 +69,6 @@ export default {
     logOut: '退出登录',
     dashboard: '首页',
     github: '项目地址',
-    screenfull: '全屏',
     theme: '换肤',
     size: '布局大小'
   },
diff --git a/src/router/index.js b/src/router/index.js
index f42046ee..60524517 100644
--- a/src/router/index.js
+++ b/src/router/index.js
@@ -12,7 +12,7 @@ import chartsRouter from './modules/charts'
 import tableRouter from './modules/table'
 import nestedRouter from './modules/nested'
 
-/** note: Submenu only appear when children.length>=1
+/** note: sub-menu only appear when children.length>=1
  *  detail see  https://panjiachen.github.io/vue-element-admin-site/guide/essentials/router-and-nav.html
  **/
 
@@ -25,10 +25,11 @@ import nestedRouter from './modules/nested'
 * name:'router-name'             the name is used by <keep-alive> (must set!!!)
 * meta : {
     roles: ['admin','editor']    will control the page roles (you can set multiple roles)
-    title: 'title'               the name show in submenu and breadcrumb (recommend set)
+    title: 'title'               the name show in sub-menu and breadcrumb (recommend set)
     icon: 'svg-name'             the icon show in the sidebar
     noCache: true                if true, the page will no be cached(default is false)
     breadcrumb: false            if false, the item will hidden in breadcrumb(default is true)
+    affix: true                  if true, the tag will affix in the tags-view
   }
 **/
 export const constantRouterMap = [
@@ -72,7 +73,7 @@ export const constantRouterMap = [
         path: 'dashboard',
         component: () => import('@/views/dashboard/index'),
         name: 'Dashboard',
-        meta: { title: 'dashboard', icon: 'dashboard', noCache: true }
+        meta: { title: 'dashboard', icon: 'dashboard', noCache: true, affix: true }
       }
     ]
   },
@@ -85,7 +86,7 @@ export const constantRouterMap = [
         path: 'index',
         component: () => import('@/views/documentation/index'),
         name: 'Documentation',
-        meta: { title: 'documentation', icon: 'documentation', noCache: true }
+        meta: { title: 'documentation', icon: 'documentation', affix: true }
       }
     ]
   },
@@ -297,13 +298,12 @@ export const asyncRouterMap = [
     path: '/pdf',
     component: Layout,
     redirect: '/pdf/index',
-    meta: { title: 'PDF', icon: 'pdf' },
     children: [
       {
         path: 'index',
         component: () => import('@/views/pdf/index'),
         name: 'PDF',
-        meta: { title: 'PDF' }
+        meta: { title: 'pdf', icon: 'pdf' }
       }
     ]
   },
diff --git a/src/store/modules/tagsView.js b/src/store/modules/tagsView.js
index cbf9eeb7..378cbcd3 100644
--- a/src/store/modules/tagsView.js
+++ b/src/store/modules/tagsView.js
@@ -38,12 +38,9 @@ const tagsView = {
     },
 
     DEL_OTHERS_VISITED_VIEWS: (state, view) => {
-      for (const [i, v] of state.visitedViews.entries()) {
-        if (v.path === view.path) {
-          state.visitedViews = state.visitedViews.slice(i, i + 1)
-          break
-        }
-      }
+      state.visitedViews = state.visitedViews.filter(v => {
+        return v.meta.affix || v.path === view.path
+      })
     },
     DEL_OTHERS_CACHED_VIEWS: (state, view) => {
       for (const i of state.cachedViews) {
@@ -56,7 +53,9 @@ const tagsView = {
     },
 
     DEL_ALL_VISITED_VIEWS: state => {
-      state.visitedViews = []
+      // keep affix tags
+      const affixTags = state.visitedViews.filter(tag => tag.meta.affix)
+      state.visitedViews = affixTags
     },
     DEL_ALL_CACHED_VIEWS: state => {
       state.cachedViews = []
diff --git a/src/views/layout/components/Navbar.vue b/src/views/layout/components/Navbar.vue
index 208186e3..5c3bcda4 100644
--- a/src/views/layout/components/Navbar.vue
+++ b/src/views/layout/components/Navbar.vue
@@ -6,24 +6,24 @@
 
     <div class="right-menu">
       <template v-if="device!=='mobile'">
-        <error-log class="errLog-container right-menu-item"/>
+        <search class="right-menu-item" />
 
-        <el-tooltip :content="$t('navbar.screenfull')" effect="dark" placement="bottom">
-          <screenfull class="screenfull right-menu-item"/>
-        </el-tooltip>
+        <error-log class="errLog-container right-menu-item hover-effect"/>
+
+        <screenfull class="right-menu-item hover-effect"/>
 
         <el-tooltip :content="$t('navbar.size')" effect="dark" placement="bottom">
-          <size-select class="international right-menu-item"/>
+          <size-select class="right-menu-item hover-effect"/>
         </el-tooltip>
 
-        <lang-select class="international right-menu-item"/>
+        <lang-select class="right-menu-item hover-effect"/>
 
         <el-tooltip :content="$t('navbar.theme')" effect="dark" placement="bottom">
-          <theme-picker class="theme-switch right-menu-item"/>
+          <theme-picker class="right-menu-item hover-effect"/>
         </el-tooltip>
       </template>
 
-      <el-dropdown class="avatar-container right-menu-item" trigger="click">
+      <el-dropdown class="avatar-container right-menu-item hover-effect" trigger="click">
         <div class="avatar-wrapper">
           <img :src="avatar+'?imageView2/1/w/80/h/80'" class="user-avatar">
           <i class="el-icon-caret-bottom"/>
@@ -57,6 +57,7 @@ import Screenfull from '@/components/Screenfull'
 import SizeSelect from '@/components/SizeSelect'
 import LangSelect from '@/components/LangSelect'
 import ThemePicker from '@/components/ThemePicker'
+import Search from '@/components/HeaderSearch'
 
 export default {
   components: {
@@ -66,7 +67,8 @@ export default {
     Screenfull,
     SizeSelect,
     LangSelect,
-    ThemePicker
+    ThemePicker,
+    Search
   },
   computed: {
     ...mapGetters([
@@ -92,52 +94,70 @@ export default {
 <style rel="stylesheet/scss" lang="scss" scoped>
 .navbar {
   height: 50px;
-  line-height: 50px;
-  border-radius: 0px !important;
+  overflow: hidden;
+
   .hamburger-container {
-    line-height: 58px;
-    height: 50px;
+    line-height: 46px;
+    height: 100%;
     float: left;
-    padding: 0 10px;
+    cursor: pointer;
+    transition: background .3s;
+
+    &:hover {
+      background: rgba(0, 0, 0, .025)
+    }
   }
-  .breadcrumb-container{
+
+  .breadcrumb-container {
     float: left;
   }
+
   .errLog-container {
     display: inline-block;
     vertical-align: top;
   }
+
   .right-menu {
     float: right;
     height: 100%;
-    &:focus{
-     outline: none;
+    line-height: 50px;
+
+    &:focus {
+      outline: none;
     }
+
     .right-menu-item {
       display: inline-block;
-      margin: 0 8px;
-    }
-    .screenfull {
-      height: 20px;
-    }
-    .international{
-      vertical-align: top;
-    }
-    .theme-switch {
-      vertical-align: 15px;
+      padding: 0 8px;
+      height: 100%;
+      font-size: 18px;
+      color: #5a5e66;
+      vertical-align: text-bottom;
+
+      &.hover-effect {
+        cursor: pointer;
+        transition: background .3s;
+
+        &:hover {
+          background: rgba(0, 0, 0, .025)
+        }
+      }
     }
+
     .avatar-container {
-      height: 50px;
       margin-right: 30px;
+
       .avatar-wrapper {
         margin-top: 5px;
         position: relative;
+
         .user-avatar {
           cursor: pointer;
           width: 40px;
           height: 40px;
           border-radius: 10px;
         }
+
         .el-icon-caret-bottom {
           cursor: pointer;
           position: absolute;
diff --git a/src/views/layout/components/Sidebar/FixiOSBug.js b/src/views/layout/components/Sidebar/FixiOSBug.js
index 5e0a9262..bc14856f 100644
--- a/src/views/layout/components/Sidebar/FixiOSBug.js
+++ b/src/views/layout/components/Sidebar/FixiOSBug.js
@@ -5,16 +5,16 @@ export default {
     }
   },
   mounted() {
-    // In order to fix the click on menu on the ios device will trigger the mouseeleave bug
+    // In order to fix the click on menu on the ios device will trigger the mouseleave bug
     // https://github.com/PanJiaChen/vue-element-admin/issues/1135
     this.fixBugIniOS()
   },
   methods: {
     fixBugIniOS() {
-      const $submenu = this.$refs.submenu
-      if ($submenu) {
-        const handleMouseleave = $submenu.handleMouseleave
-        $submenu.handleMouseleave = (e) => {
+      const $subMenu = this.$refs.subMenu
+      if ($subMenu) {
+        const handleMouseleave = $subMenu.handleMouseleave
+        $subMenu.handleMouseleave = (e) => {
           if (this.device === 'mobile') {
             return
           }
diff --git a/src/views/layout/components/Sidebar/Link.vue b/src/views/layout/components/Sidebar/Link.vue
index 5d366f24..cd2e0413 100644
--- a/src/views/layout/components/Sidebar/Link.vue
+++ b/src/views/layout/components/Sidebar/Link.vue
@@ -1,6 +1,6 @@
 
 <template>
-  <!-- eslint-disable vue/require-component-is-->
+  <!-- eslint-disable vue/require-component-is -->
   <component v-bind="linkProps(to)">
     <slot/>
   </component>
@@ -17,11 +17,8 @@ export default {
     }
   },
   methods: {
-    isExternalLink(routePath) {
-      return isExternal(routePath)
-    },
     linkProps(url) {
-      if (this.isExternalLink(url)) {
+      if (isExternal(url)) {
         return {
           is: 'a',
           href: url,
diff --git a/src/views/layout/components/Sidebar/SidebarItem.vue b/src/views/layout/components/Sidebar/SidebarItem.vue
index 8a9b4396..f0381a90 100644
--- a/src/views/layout/components/Sidebar/SidebarItem.vue
+++ b/src/views/layout/components/Sidebar/SidebarItem.vue
@@ -9,25 +9,27 @@
       </app-link>
     </template>
 
-    <el-submenu v-else ref="submenu" :index="resolvePath(item.path)">
+    <el-submenu v-else ref="subMenu" :index="resolvePath(item.path)">
       <template slot="title">
         <item v-if="item.meta" :icon="item.meta.icon" :title="generateTitle(item.meta.title)" />
       </template>
 
-      <template v-for="child in item.children" v-if="!child.hidden">
-        <sidebar-item
-          v-if="child.children&&child.children.length>0"
-          :is-nest="true"
-          :item="child"
-          :key="child.path"
-          :base-path="resolvePath(child.path)"
-          class="nest-menu" />
+      <template v-for="child in item.children">
+        <template v-if="!child.hidden">
+          <sidebar-item
+            v-if="child.children&&child.children.length>0"
+            :is-nest="true"
+            :item="child"
+            :key="child.path"
+            :base-path="resolvePath(child.path)"
+            class="nest-menu" />
 
-        <app-link v-else :to="resolvePath(child.path)" :key="child.name">
-          <el-menu-item :index="resolvePath(child.path)">
-            <item v-if="child.meta" :icon="child.meta.icon" :title="generateTitle(child.meta.title)" />
-          </el-menu-item>
-        </app-link>
+          <app-link v-else :to="resolvePath(child.path)" :key="child.name">
+            <el-menu-item :index="resolvePath(child.path)">
+              <item v-if="child.meta" :icon="child.meta.icon" :title="generateTitle(child.meta.title)" />
+            </el-menu-item>
+          </app-link>
+        </template>
       </template>
     </el-submenu>
 
diff --git a/src/views/layout/components/Sidebar/index.vue b/src/views/layout/components/Sidebar/index.vue
index 48407286..11ef4c02 100644
--- a/src/views/layout/components/Sidebar/index.vue
+++ b/src/views/layout/components/Sidebar/index.vue
@@ -1,7 +1,6 @@
 <template>
   <el-scrollbar wrap-class="scrollbar-wrapper">
     <el-menu
-      :show-timeout="200"
       :default-active="$route.path"
       :collapse="isCollapse"
       :background-color="variables.menuBg"
diff --git a/src/views/layout/components/TagsView.vue b/src/views/layout/components/TagsView.vue
index c16827b6..cfac9c7d 100644
--- a/src/views/layout/components/TagsView.vue
+++ b/src/views/layout/components/TagsView.vue
@@ -12,14 +12,15 @@
         @click.middle.native="closeSelectedTag(tag)"
         @contextmenu.prevent.native="openMenu(tag,$event)">
         {{ generateTitle(tag.title) }}
-        <span class="el-icon-close" @click.prevent.stop="closeSelectedTag(tag)" />
+        <span v-if="!tag.meta.affix" class="el-icon-close" @click.prevent.stop="closeSelectedTag(tag)" />
       </router-link>
     </scroll-pane>
     <ul v-show="visible" :style="{left:left+'px',top:top+'px'}" class="contextmenu">
       <li @click="refreshSelectedTag(selectedTag)">{{ $t('tagsView.refresh') }}</li>
-      <li @click="closeSelectedTag(selectedTag)">{{ $t('tagsView.close') }}</li>
+      <li v-if="!(selectedTag.meta&&selectedTag.meta.affix)" @click="closeSelectedTag(selectedTag)">{{
+      $t('tagsView.close') }}</li>
       <li @click="closeOthersTags">{{ $t('tagsView.closeOthers') }}</li>
-      <li @click="closeAllTags">{{ $t('tagsView.closeAll') }}</li>
+      <li @click="closeAllTags(selectedTag)">{{ $t('tagsView.closeAll') }}</li>
     </ul>
   </div>
 </template>
@@ -27,6 +28,7 @@
 <script>
 import ScrollPane from '@/components/ScrollPane'
 import { generateTitle } from '@/utils/i18n'
+import path from 'path'
 
 export default {
   components: { ScrollPane },
@@ -35,17 +37,21 @@ export default {
       visible: false,
       top: 0,
       left: 0,
-      selectedTag: {}
+      selectedTag: {},
+      affixTags: []
     }
   },
   computed: {
     visitedViews() {
       return this.$store.state.tagsView.visitedViews
+    },
+    routers() {
+      return this.$store.state.permission.routers
     }
   },
   watch: {
     $route() {
-      this.addViewTags()
+      this.addTags()
       this.moveToCurrentTag()
     },
     visible(value) {
@@ -57,14 +63,44 @@ export default {
     }
   },
   mounted() {
-    this.addViewTags()
+    this.initTags()
+    this.addTags()
   },
   methods: {
     generateTitle, // generateTitle by vue-i18n
     isActive(route) {
       return route.path === this.$route.path
     },
-    addViewTags() {
+    filterAffixTags(routes, basePath = '/') {
+      let tags = []
+      routes.forEach(route => {
+        if (route.meta && route.meta.affix) {
+          tags.push({
+            path: path.resolve(basePath, route.path),
+            name: route.name,
+            meta: { ...route.meta }
+          })
+        }
+        if (route.children) {
+          const tempTags = this.filterAffixTags(route.children, route.path)
+          if (tempTags.length >= 1) {
+            tags = [...tags, ...tempTags]
+          }
+        }
+      })
+
+      return tags
+    },
+    initTags() {
+      const affixTags = this.affixTags = this.filterAffixTags(this.routers)
+      for (const tag of affixTags) {
+        // Must have tag name
+        if (tag.name) {
+          this.$store.dispatch('addVisitedView', tag)
+        }
+      }
+    },
+    addTags() {
       const { name } = this.$route
       if (name) {
         this.$store.dispatch('addView', this.$route)
@@ -101,12 +137,7 @@ export default {
     closeSelectedTag(view) {
       this.$store.dispatch('delView', view).then(({ visitedViews }) => {
         if (this.isActive(view)) {
-          const latestView = visitedViews.slice(-1)[0]
-          if (latestView) {
-            this.$router.push(latestView)
-          } else {
-            this.$router.push('/')
-          }
+          this.toLastView(visitedViews)
         }
       })
     },
@@ -116,9 +147,22 @@ export default {
         this.moveToCurrentTag()
       })
     },
-    closeAllTags() {
-      this.$store.dispatch('delAllViews')
-      this.$router.push('/')
+    closeAllTags(view) {
+      this.$store.dispatch('delAllViews').then(({ visitedViews }) => {
+        if (this.affixTags.some(tag => tag.path === view.path)) {
+          return
+        }
+        this.toLastView(visitedViews)
+      })
+    },
+    toLastView(visitedViews) {
+      const latestView = visitedViews.slice(-1)[0]
+      if (latestView) {
+        this.$router.push(latestView)
+      } else {
+        // You can set another route
+        this.$router.push('/')
+      }
     },
     openMenu(tag, e) {
       const menuMinWidth = 105
diff --git a/src/views/login/index.vue b/src/views/login/index.vue
index a44c6ad3..634c32da 100644
--- a/src/views/login/index.vue
+++ b/src/views/login/index.vue
@@ -262,8 +262,10 @@ $light_gray:#eee;
     .set-language {
       color: #fff;
       position: absolute;
-      top: 5px;
+      top: 3px;
+      font-size:18px;
       right: 0px;
+      cursor: pointer;
     }
   }
   .show-pwd {
diff --git a/src/views/table/dragTable.vue b/src/views/table/dragTable.vue
index 8f52c5de..3f3fb941 100644
--- a/src/views/table/dragTable.vue
+++ b/src/views/table/dragTable.vue
@@ -46,7 +46,7 @@
       </el-table-column>
 
       <el-table-column align="center" label="Drag" width="80">
-        <template slot-scope="scope">
+        <template slot-scope="{}">
           <svg-icon class="drag-handler" icon-class="drag"/>
         </template>
       </el-table-column>