diff --git a/docker-compose.yml b/docker-compose.yml
index 976e5968..9d5acbb3 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -59,7 +59,7 @@ services:
   redis:
     image: redis:latest
     restart: always
-    # command: redis --requirepass "password" # set redis password 设置 Redis 密码
+    # command: redis-server --requirepass "password" # set redis password 设置 Redis 密码
     # volumes:
     #   - "/opt/crawlab/redis/data:/data"  # make data persistent 持久化
     # ports:
diff --git a/frontend/src/components/InfoView/TaskInfoView.vue b/frontend/src/components/InfoView/TaskInfoView.vue
index 34318d84..d55945b0 100644
--- a/frontend/src/components/InfoView/TaskInfoView.vue
+++ b/frontend/src/components/InfoView/TaskInfoView.vue
@@ -11,6 +11,15 @@
         </el-form-item>
         <el-form-item :label="$t('Status')">
           <status-tag :status="taskForm.status"/>
+          <el-badge
+            v-if="errorLogData.length > 0"
+            :value="errorLogData.length"
+            style="margin-left:10px; cursor:pointer;"
+          >
+            <el-tag type="danger" @click="onClickLogWithErrors">
+              {{$t('Log with errors')}}
+            </el-tag>
+          </el-badge>
         </el-form-item>
         <el-form-item :label="$t('Log File Path')">
           <el-input v-model="taskForm.log_path" placeholder="Log File Path" disabled></el-input>
@@ -28,7 +37,7 @@
           <el-input :value="getTime(taskForm.finish_ts)" placeholder="Finish Time" disabled></el-input>
         </el-form-item>
         <el-form-item :label="$t('Wait Duration (sec)')">
-        <el-input :value="getWaitDuration(taskForm)" placeholder="Wait Duration" disabled></el-input>
+          <el-input :value="getWaitDuration(taskForm)" placeholder="Wait Duration" disabled></el-input>
         </el-form-item>
         <el-form-item :label="$t('Runtime Duration (sec)')">
           <el-input :value="getRuntimeDuration(taskForm)" placeholder="Runtime Duration" disabled></el-input>
@@ -37,7 +46,7 @@
           <el-input :value="getTotalDuration(taskForm)" placeholder="Runtime Duration" disabled></el-input>
         </el-form-item>
         <el-form-item :label="$t('Results Count')">
-        <el-input v-model="taskForm.result_count" placeholder="Results Count" disabled></el-input>
+          <el-input v-model="taskForm.result_count" placeholder="Results Count" disabled></el-input>
         </el-form-item>
         <!--<el-form-item :label="$t('Average Results Count per Second')">-->
         <!--<el-input v-model="taskForm.avg_num_results" placeholder="Average Results Count per Second" disabled>-->
@@ -59,7 +68,8 @@
 
 <script>
 import {
-  mapState
+  mapState,
+  mapGetters
 } from 'vuex'
 import StatusTag from '../Status/StatusTag'
 import dayjs from 'dayjs'
@@ -69,7 +79,11 @@ export default {
   components: { StatusTag },
   computed: {
     ...mapState('task', [
-      'taskForm'
+      'taskForm',
+      'taskLog'
+    ]),
+    ...mapGetters('task', [
+      'errorLogData'
     ]),
     isRunning () {
       return ['pending', 'running'].includes(this.taskForm.status)
@@ -99,6 +113,9 @@ export default {
     getTotalDuration (row) {
       if (!row.finish_ts || row.finish_ts.match('^0001')) return 'NA'
       return dayjs(row.finish_ts).diff(row.create_ts, 'second')
+    },
+    onClickLogWithErrors () {
+      this.$emit('click-log')
     }
   }
 }
diff --git a/frontend/src/components/Overview/TaskOverview.vue b/frontend/src/components/Overview/TaskOverview.vue
index ad929159..ec399702 100644
--- a/frontend/src/components/Overview/TaskOverview.vue
+++ b/frontend/src/components/Overview/TaskOverview.vue
@@ -3,7 +3,7 @@
     <el-col :span="12" style="padding-right: 20px;">
       <el-row class="task-info-overview-wrapper wrapper">
         <h4 class="title">{{$t('Task Info')}}</h4>
-        <task-info-view/>
+        <task-info-view @click-log="() => $emit('click-log')"/>
       </el-row>
       <el-row style="border-bottom:1px solid #e4e7ed;margin:0 0 20px 0;padding-bottom:20px;"/>
     </el-col>
diff --git a/frontend/src/components/ScrollView/LogItem.vue b/frontend/src/components/ScrollView/LogItem.vue
index 1c82a7cb..87a986dc 100644
--- a/frontend/src/components/ScrollView/LogItem.vue
+++ b/frontend/src/components/ScrollView/LogItem.vue
@@ -1,9 +1,9 @@
 <template>
-  <div class="log-item" :style="style">
+  <div class="log-item" :style="style" :class="`log-item-${index} ${active ? 'active' : ''}`">
     <div class="line-no">{{index}}</div>
     <div class="line-content">
-      <span v-if="isLogEnd" style="color: #E6A23C" class="loading-text">
-        {{$t('Updating log...')}}
+      <span v-if="isLogEnd" style="color: #E6A23C">
+        <span class="loading-text">{{$t('Updating log...')}}</span>
         <i class="el-icon-loading"></i>
       </span>
       <span v-else-if="isAnsi" v-html="dataHtml"></span>
@@ -31,13 +31,15 @@ export default {
     searchString: {
       type: String,
       default: ''
+    },
+    active: {
+      type: Boolean,
+      default: false
     }
   },
   data () {
-    const token = ' :,.'
     return {
-      errorRegex: new RegExp(`(?:[${token}]|^)((?:error|exception|traceback)s?)(?:[${token}]|$)`, 'gi')
-      // errorRegex: new RegExp('(error|exception|traceback)', 'gi')
+      errorRegex: this.$utils.log.errorRegex
     }
   },
   computed: {
@@ -65,42 +67,56 @@ export default {
 
 <style scoped>
   .log-item {
-    display: table;
+    display: block;
+  }
+
+  .log-item:hover {
+    background: rgba(55, 57, 59, 0.5);
   }
 
   .log-item:first-child .line-no {
     padding-top: 10px;
+    text-align: right;
   }
 
   .log-item .line-no {
-    display: table-cell;
+    display: inline-block;
+    width: 70px;
     color: #A9B7C6;
     background: #313335;
     padding-right: 10px;
     text-align: right;
-    flex-basis: 40px;
-    width: 70px;
+  }
+
+  .log-item.active .line-no {
+    background: #E6A23C;
+    color: white;
+    font-weight: bolder;
   }
 
   .log-item .line-content {
     padding-left: 10px;
-    display: table-cell;
-    /*display: inline-block;*/
-    word-break: break-word;
-    flex-basis: calc(100% - 50px);
+    display: inline-block;
+    width: calc(100% - 70px);
+    white-space: nowrap;
   }
 
   .loading-text {
-    animation: blink;
+    margin-right: 5px;
+    animation: blink 2s ease-in infinite;
   }
 
   @keyframes blink {
     0% {
-      opacity: 0;
+      opacity: 1;
+    }
+
+    50% {
+      opacity: 0.3;
     }
 
     100% {
-      opacity: 100%;
+      opacity: 1;
     }
   }
 </style>
diff --git a/frontend/src/components/ScrollView/LogView.vue b/frontend/src/components/ScrollView/LogView.vue
index bfb4edec..04905cb8 100644
--- a/frontend/src/components/ScrollView/LogView.vue
+++ b/frontend/src/components/ScrollView/LogView.vue
@@ -1,43 +1,90 @@
 <template>
-  <div class="log-view-wrapper">
+  <div class="log-view-container">
     <div class="filter-wrapper">
-      <el-button
-        size="small"
-        type="primary"
-        icon="el-icon-download"
-        style="margin-right: 10px"
-        :disabled="isToBottom"
-        @click="onAutoScroll"
-      >
-        {{$t('Auto-Scroll')}}
-      </el-button>
-      <el-input
-        v-model="searchString"
-        size="small"
-        suffix-icon="el-icon-search"
-        :placeholder="$t('Search Log')"
-        style="width: 240px"
-      />
+      <div class="left">
+        <el-button
+          size="small"
+          type="primary"
+          icon="el-icon-download"
+          style="margin-right: 10px"
+          :disabled="isToBottom"
+          @click="onAutoScroll"
+        >
+          {{$t('Auto-Scroll')}}
+        </el-button>
+        <el-input
+          v-model="searchString"
+          size="small"
+          suffix-icon="el-icon-search"
+          :placeholder="$t('Search Log')"
+          style="width: 240px; margin-right: 10px"
+        />
+      </div>
+      <div class="right">
+        <el-badge
+          v-if="errorLogData.length > 0"
+          :value="errorLogData.length"
+        >
+          <el-button
+            type="danger"
+            size="small"
+            icon="el-icon-warning-outline"
+            @click="toggleErrors"
+          >
+            {{$t('Error Count')}}
+          </el-button>
+        </el-badge>
+      </div>
     </div>
-    <div class="log-view-wrapper" ref="log-view-wrapper">
-      <virtual-list
-        class="log-view"
-        ref="log-view"
-        :size="6"
-        :remain="100"
-        :item="item"
-        :itemcount="filteredLogData.length"
-        :itemprops="getItemProps"
-        :tobottom="onToBottom"
-        :onscroll="onScroll"
-      />
+    <div class="content">
+      <div
+        class="log-view-wrapper"
+        :class="isErrorsCollapsed ? 'errors-collapsed' : ''"
+      >
+        <virtual-list
+          class="log-view"
+          ref="log-view"
+          :start="currentLogIndex - 1"
+          :offset="0"
+          :size="18"
+          :remain="remainSize"
+          :item="item"
+          :itemcount="filteredLogData.length"
+          :itemprops="getItemProps"
+          :tobottom="onToBottom"
+          :onscroll="onScroll"
+        />
+      </div>
+      <div
+        v-show="!isErrorsCollapsed && !isErrorCollapsing"
+        class="errors-wrapper"
+        :class="isErrorsCollapsed ? 'collapsed' : ''"
+      >
+        <ul class="error-list">
+          <li
+            v-for="item in errorLogData"
+            :key="item.index"
+            class="error-item"
+            :class="currentLogIndex === item.index ? 'active' : ''"
+            @click="onClickError(item)"
+          >
+            <span class="line-no">
+              {{item.index}}
+            </span>
+            <span class="line-content">
+              {{item.data}}
+            </span>
+          </li>
+        </ul>
+      </div>
     </div>
   </div>
 </template>
 
 <script>
 import {
-  mapState
+  mapState,
+  mapGetters
 } from 'vuex'
 import VirtualList from 'vue-virtual-scroll-list'
 import Convert from 'ansi-to-html'
@@ -63,38 +110,38 @@ export default {
       searchString: '',
       isToBottom: false,
       isScrolling: false,
-      isScrolling2nd: false
+      isScrolling2nd: false,
+      errorRegex: this.$utils.log.errorRegex,
+      currentOffset: 0,
+      isErrorsCollapsed: true,
+      isErrorCollapsing: false
     }
   },
   computed: {
     ...mapState('task', [
       'taskForm'
     ]),
-    logData () {
-      const data = this.data.split('\n')
-        .map((d, i) => {
-          return {
-            index: i + 1,
-            data: d
-          }
-        })
-      if (this.taskForm && this.taskForm.status === 'running') {
-        data.push({
-          index: data.length + 1,
-          data: '###LOG_END###'
-        })
-        data.push({
-          index: data.length + 2,
-          data: ''
-        })
+    ...mapGetters('task', [
+      'logData',
+      'errorLogData'
+    ]),
+    currentLogIndex: {
+      get () {
+        return this.$store.state.task.currentLogIndex
+      },
+      set (value) {
+        this.$store.commit('task/SET_CURRENT_LOG_INDEX', value)
       }
-      return data
     },
     filteredLogData () {
       return this.logData.filter(d => {
         if (!this.searchString) return true
         return !!d.data.toLowerCase().match(this.searchString.toLowerCase())
       })
+    },
+    remainSize () {
+      const height = document.querySelector('body').clientHeight
+      return (height - 240) / 18
     }
   },
   watch: {
@@ -113,6 +160,7 @@ export default {
           index: logItem.index,
           data: isAnsi ? convert.toHtml(logItem.data) : logItem.data,
           searchString: this.searchString,
+          active: logItem.active,
           isAnsi
         }
       }
@@ -144,14 +192,32 @@ export default {
     },
     onAutoScroll () {
       this.toBottom()
+    },
+    toggleErrors () {
+      this.isErrorsCollapsed = !this.isErrorsCollapsed
+      this.isErrorCollapsing = true
+      setTimeout(() => {
+        this.isErrorCollapsing = false
+      }, 300)
+    },
+    onClickError (item) {
+      this.currentLogIndex = item.index
+      this.isToBottom = false
+      const handle = setInterval(() => {
+        this.isToBottom = false
+      }, 10)
+      setTimeout(() => {
+        clearInterval(handle)
+      }, 500)
     }
   },
   mounted () {
+    this.currentLogIndex = 0
     this.handle = setInterval(() => {
       if (this.isToBottom) {
         this.toBottom()
       }
-    }, 100)
+    }, 200)
   },
   destroyed () {
     clearInterval(this.handle)
@@ -160,15 +226,95 @@ export default {
 </script>
 
 <style scoped>
+  .filter-wrapper {
+    display: flex;
+    justify-content: space-between;
+    margin-bottom: 10px;
+  }
+
+  .content {
+    display: block;
+  }
+
+  .log-view-wrapper {
+    float: left;
+    flex-basis: calc(100% - 240px);
+    width: calc(100% - 300px);
+    transition: width 0.3s;
+  }
+
+  .log-view-wrapper.errors-collapsed {
+    flex-basis: 100%;
+    width: 100%;
+  }
+
   .log-view {
     margin-top: 0 !important;
     overflow-y: scroll !important;
     list-style: none;
     color: #A9B7C6;
     background: #2B2B2B;
+    border: none;
   }
 
-  .filter-wrapper {
-    margin-bottom: 10px;
+  .errors-wrapper {
+    float: left;
+    display: inline-block;
+    margin: 0;
+    padding: 0;
+    flex-basis: 240px;
+    width: 300px;
+    transition: opacity 0.3s;
+    border-top: 1px solid #DCDFE6;
+    border-right: 1px solid #DCDFE6;
+    border-bottom: 1px solid #DCDFE6;
+    height: calc(100vh - 240px);
+    font-size: 16px;
+    overflow: auto;
+  }
+
+  .errors-wrapper.collapsed {
+    width: 0;
+  }
+
+  .errors-wrapper .error-list {
+    list-style: none;
+    padding: 0;
+    margin: 0;
+  }
+
+  .errors-wrapper .error-list .error-item {
+    white-space: nowrap;
+    text-overflow: ellipsis;
+    overflow: hidden;
+    /*height: 18px;*/
+    border-bottom: 1px solid white;
+    padding: 5px 0;
+    background: #F56C6C;
+    color: white;
+    cursor: pointer;
+  }
+
+  .errors-wrapper .error-list .error-item.active {
+    background: #E6A23C;
+    font-weight: bolder;
+    text-decoration: underline;
+  }
+
+  .errors-wrapper .error-list .error-item:hover {
+    font-weight: bolder;
+    text-decoration: underline;
+  }
+
+  .errors-wrapper .error-list .error-item .line-no {
+    display: inline-block;
+    text-align: right;
+    width: 70px;
+  }
+
+  .errors-wrapper .error-list .error-item .line-content {
+    display: inline;
+    width: calc(100% - 70px);
+    padding-left: 10px;
   }
 </style>
diff --git a/frontend/src/i18n/zh.js b/frontend/src/i18n/zh.js
index 2dcb46d2..5dbf2919 100644
--- a/frontend/src/i18n/zh.js
+++ b/frontend/src/i18n/zh.js
@@ -211,6 +211,8 @@ export default {
   'Search Log': '搜索日志',
   'Auto-Scroll': '自动滚动',
   'Updating log...': '正在更新日志...',
+  'Error Count': '错误数',
+  'Log with errors': '日志错误',
 
   // 任务列表
   'Node': '节点',
diff --git a/frontend/src/store/modules/task.js b/frontend/src/store/modules/task.js
index 95153be5..563fc907 100644
--- a/frontend/src/store/modules/task.js
+++ b/frontend/src/store/modules/task.js
@@ -1,4 +1,5 @@
 import request from '../../api/request'
+import utils from '../../utils'
 
 const state = {
   // TaskList
@@ -6,6 +7,7 @@ const state = {
   taskListTotalCount: 0,
   taskForm: {},
   taskLog: '',
+  currentLogIndex: 0,
   taskResultsData: [],
   taskResultsColumns: [],
   taskResultsTotalCount: 0,
@@ -36,6 +38,32 @@ const getters = {
       }
     }
     return keys
+  },
+  logData (state) {
+    const data = state.taskLog.split('\n')
+      .map((d, i) => {
+        return {
+          index: i + 1,
+          data: d,
+          active: state.currentLogIndex === i + 1
+        }
+      })
+    if (state.taskForm && state.taskForm.status === 'running') {
+      data.push({
+        index: data.length + 1,
+        data: '###LOG_END###'
+      })
+      data.push({
+        index: data.length + 1,
+        data: ''
+      })
+    }
+    return data
+  },
+  errorLogData (state, getters) {
+    return getters.logData.filter(d => {
+      return d.data.match(utils.log.errorRegex)
+    })
   }
 }
 
@@ -49,6 +77,9 @@ const mutations = {
   SET_TASK_LOG (state, value) {
     state.taskLog = value
   },
+  SET_CURRENT_LOG_INDEX (state, value) {
+    state.currentLogIndex = value
+  },
   SET_TASK_RESULTS_DATA (state, value) {
     state.taskResultsData = value
   },
diff --git a/frontend/src/utils/index.js b/frontend/src/utils/index.js
index ab33114f..9867c812 100644
--- a/frontend/src/utils/index.js
+++ b/frontend/src/utils/index.js
@@ -1,9 +1,11 @@
 import stats from './stats'
 import encrypt from './encrypt'
 import tour from './tour'
+import log from './log'
 
 export default {
   stats,
   encrypt,
-  tour
+  tour,
+  log
 }
diff --git a/frontend/src/utils/log.js b/frontend/src/utils/log.js
new file mode 100644
index 00000000..8b1ea0ab
--- /dev/null
+++ b/frontend/src/utils/log.js
@@ -0,0 +1,5 @@
+const regexToken = ' :,.'
+
+export default {
+  errorRegex: new RegExp(`(?:[${regexToken}]|^)((?:error|exception|traceback)s?)(?:[${regexToken}]|$)`, 'gi')
+}
diff --git a/frontend/src/views/task/TaskDetail.vue b/frontend/src/views/task/TaskDetail.vue
index d5d1fd04..11051ed0 100644
--- a/frontend/src/views/task/TaskDetail.vue
+++ b/frontend/src/views/task/TaskDetail.vue
@@ -12,10 +12,10 @@
     <!--tabs-->
     <el-tabs v-model="activeTabName" @tab-click="onTabClick" type="border-card">
       <el-tab-pane :label="$t('Overview')" name="overview">
-        <task-overview/>
+        <task-overview @click-log="activeTabName = 'log'"/>
       </el-tab-pane>
       <el-tab-pane :label="$t('Log')" name="log">
-        <log-view :data="taskLog"/>
+        <log-view/>
       </el-tab-pane>
       <el-tab-pane :label="$t('Results')" name="results">
         <div class="button-group">
@@ -42,7 +42,6 @@ import {
 import TaskOverview from '../../components/Overview/TaskOverview'
 import GeneralTableView from '../../components/TableView/GeneralTableView'
 import LogView from '../../components/ScrollView/LogView'
-import request from '../../api/request'
 
 export default {
   name: 'TaskDetail',
@@ -55,7 +54,6 @@ export default {
     return {
       activeTabName: 'overview',
       handle: undefined,
-      taskLog: '',
 
       // tutorial
       tourSteps: [
@@ -137,7 +135,8 @@ export default {
     ...mapState('task', [
       'taskForm',
       'taskResultsData',
-      'taskResultsTotalCount'
+      'taskResultsTotalCount',
+      'taskLog'
     ]),
     ...mapGetters('task', [
       'taskResultsColumns'
@@ -186,11 +185,7 @@ export default {
       this.$st.sendEv('任务详情', '结果', '下载CSV')
     },
     getTaskLog () {
-      if (this.$route.params.id) {
-        request.get(`/tasks/${this.$route.params.id}/log`).then(response => {
-          this.taskLog = response.data.data
-        })
-      }
+      this.$store.dispatch('task/getTaskLog', this.$route.params.id)
     }
   },
   created () {