diff --git a/backend/conf/config.yml b/backend/conf/config.yml
index 9fb0dee5..a51a34c9 100644
--- a/backend/conf/config.yml
+++ b/backend/conf/config.yml
@@ -1,25 +1,25 @@
 api:
   address: "localhost:8000"
 mongo:
-  host: "192.168.235.26"
+  host: localhost
   port: 27017
-  db: crawlab_local
-  username: "root"
-  password: "example"
+  db: crawlab_test
+  username: ""
+  password: ""
   authSource: "admin"
 redis:
-  address: 127.0.0.1
-  password:
+  address: localhost
+  password: ""
   database: 1
   port: 6379
 log:
   level: info
-  path: "./logs/crawlab"
+  path: "/var/logs/crawlab"
   isDeletePeriodically: "N"
   deleteFrequency: "@hourly"
 server:
   host: 0.0.0.0
-  port: 8001
+  port: 8000
   master: "Y"
   secret: "crawlab"
   register:
@@ -30,11 +30,11 @@ server:
     python: "Y"
     node: "N"
 spider:
-  path: "./spiders"
+  path: "/app/spiders"
 task:
   workers: 4
 other:
   tmppath: "/tmp"
 version: 0.4.3
 setting:
-  allowRegister: "N"
+  allowRegister: "N"
\ No newline at end of file
diff --git a/backend/routes/system.go b/backend/routes/system.go
index b4e130a9..8c443d2a 100644
--- a/backend/routes/system.go
+++ b/backend/routes/system.go
@@ -259,6 +259,7 @@ func GetDepJson(c *gin.Context) {
 		_dep, err := services.FetchPythonDepInfo(depName)
 		if err != nil {
 			HandleError(http.StatusInternalServerError, c, err)
+			return
 		}
 		dep = _dep
 	} else {
diff --git a/backend/services/system.go b/backend/services/system.go
index 12b8744c..6181afee 100644
--- a/backend/services/system.go
+++ b/backend/services/system.go
@@ -251,6 +251,9 @@ func FetchPythonDepInfo(depName string) (entity.Dependency, error) {
 		return entity.Dependency{}, err
 	}
 	var data PythonDepJsonData
+	if res.Response().StatusCode == 404 {
+		return entity.Dependency{}, errors.New("get depName from [https://pypi.org] error: 404")
+	}
 	if err := res.ToJSON(&data); err != nil {
 		log.Errorf(err.Error())
 		debug.PrintStack()
diff --git a/frontend/src/components/InfoView/SpiderInfoView.vue b/frontend/src/components/InfoView/SpiderInfoView.vue
index 74e48d08..93fa9c12 100644
--- a/frontend/src/components/InfoView/SpiderInfoView.vue
+++ b/frontend/src/components/InfoView/SpiderInfoView.vue
@@ -51,7 +51,7 @@
       </el-form>
     </el-row>
     <el-row class="button-container" v-if="!isView">
-      <el-button size="normal" v-if="isShowRun" type="danger" @click="onCrawl"
+      <el-button size="small" v-if="isShowRun" type="danger" @click="onCrawl"
                  icon="el-icon-video-play" style="margin-right: 10px">
         {{$t('Run')}}
       </el-button>
@@ -69,10 +69,6 @@
           {{$t('Upload')}}
         </el-button>
       </el-upload>
-      <el-button size="small" v-if="isShowRun" type="danger" @click="onCrawl"
-                 icon="el-icon-video-play">
-        {{$t('Run')}}
-      </el-button>
       <el-button size="small" type="success" @click="onSave" icon="el-icon-check">
         {{$t('Save')}}
       </el-button>
diff --git a/frontend/src/components/Node/NodeInstallation.vue b/frontend/src/components/Node/NodeInstallation.vue
index 3924cd76..1ec9894a 100644
--- a/frontend/src/components/Node/NodeInstallation.vue
+++ b/frontend/src/components/Node/NodeInstallation.vue
@@ -2,7 +2,7 @@
   <div class="node-installation">
     <el-form inline>
       <el-form-item>
-        <el-autocomplete
+        <el-autocomplete size="small" clearable @clear="onSearch"
           v-if="activeLang.executable_name === 'python'"
           v-model="depName"
           style="width: 240px"
@@ -10,7 +10,7 @@
           :fetchSuggestions="fetchAllDepList"
           :minlength="2"
           @select="onSearch"
-        />
+        ></el-autocomplete>
         <el-input
           v-else
           v-model="depName"
@@ -19,7 +19,7 @@
         />
       </el-form-item>
       <el-form-item>
-        <el-button
+        <el-button size="small"
           icon="el-icon-search"
           type="success"
           @click="onSearch"
@@ -161,9 +161,11 @@ export default {
 
         // 异步获取python附加信息
         this.depList.map(async dep => {
-          const res = await this.$request.get(`/system/deps/${this.activeLang.executable_name}/${dep.name}/json`)
-          dep.version = res.data.data.version
-          dep.description = res.data.data.description
+          const resp = await this.$request.get(`/system/deps/${this.activeLang.executable_name}/${dep.name}/json`)
+          if (resp) {
+            dep.version = resp.data.data.version
+            dep.description = resp.data.data.description
+          }
         })
       }
     },
diff --git a/frontend/src/components/Stats/SpiderStats.vue b/frontend/src/components/Stats/SpiderStats.vue
index f239f823..f7993e2b 100644
--- a/frontend/src/components/Stats/SpiderStats.vue
+++ b/frontend/src/components/Stats/SpiderStats.vue
@@ -3,19 +3,19 @@
     <!--overall stats-->
     <el-row>
       <div class="metric-list">
-        <metric-card :label="$t('30-Day Tasks')"
+        <metric-card label="30-Day Tasks"
                      icon="fa fa-play"
                      :value="overviewStats.task_count"
                      type="danger"/>
-        <metric-card :label="$t('30-Day Results')"
+        <metric-card label="30-Day Results"
                      icon="fa fa-table"
                      :value="overviewStats.result_count"
                      type="primary"/>
-        <metric-card :label="$t('Success Rate')"
+        <metric-card label="Success Rate"
                      icon="fa fa-check"
                      :value="getPercentStr(overviewStats.success_rate)"
                      type="success"/>
-        <metric-card :label="$t('Avg Duration (sec)')"
+        <metric-card label="Avg Duration (sec)"
                      icon="fa fa-hourglass"
                      :value="getDecimal(overviewStats.avg_runtime_duration)"
                      type="warning"/>
diff --git a/frontend/src/i18n/zh.js b/frontend/src/i18n/zh.js
index b15efd50..e739b979 100644
--- a/frontend/src/i18n/zh.js
+++ b/frontend/src/i18n/zh.js
@@ -225,6 +225,7 @@ export default {
   'Not Found Spider': '爬虫配置错误',
   '[minute] [hour] [day] [month] [day of week]': '[分] [时] [天] [月] [星期几]',
   'Enable/Disable': '启用/禁用',
+  'Cron': 'Cron',
 
   // 网站
   'Site': '网站',
diff --git a/frontend/src/store/modules/schedule.js b/frontend/src/store/modules/schedule.js
index 9fde4e84..9e60169c 100644
--- a/frontend/src/store/modules/schedule.js
+++ b/frontend/src/store/modules/schedule.js
@@ -21,12 +21,14 @@ const actions = {
   getScheduleList ({ state, commit }) {
     request.get('/schedules')
       .then(response => {
-        commit('SET_SCHEDULE_LIST', response.data.data.map(d => {
-          const arr = d.cron.split(' ')
-          arr.splice(0, 1)
-          d.cron = arr.join(' ')
-          return d
-        }))
+        if (response.data.data) {
+          commit('SET_SCHEDULE_LIST', response.data.data.map(d => {
+            const arr = d.cron.split(' ')
+            arr.splice(0, 1)
+            d.cron = arr.join(' ')
+            return d
+          }))
+        }
       })
   },
   addSchedule ({ state }) {
diff --git a/frontend/src/views/layout/components/Navbar.vue b/frontend/src/views/layout/components/Navbar.vue
index 882fbfa7..f47380c8 100644
--- a/frontend/src/views/layout/components/Navbar.vue
+++ b/frontend/src/views/layout/components/Navbar.vue
@@ -27,14 +27,13 @@
         </el-dropdown-item>
       </el-dropdown-menu>
     </el-dropdown>
-    <el-dropdown class="documentation right">
+    <div class="documentation right">
       <a href="http://docs.crawlab.cn" target="_blank">
         <font-awesome-icon :icon="['far', 'question-circle']"/>
         <span style="margin-left: 5px;">{{$t('Documentation')}}</span>
       </a>
-      <el-dropdown-menu slot="dropdown"></el-dropdown-menu>
-    </el-dropdown>
-    <el-dropdown class="github right">
+    </div>
+    <div class="github right">
       <!-- Place this tag where you want the button to render. -->
       <github-button
         href="https://github.com/crawlab-team/crawlab"
@@ -44,7 +43,7 @@
         :aria-label="$t('Star crawlab-team/crawlab on GitHub')">
         Star
       </github-button>
-    </el-dropdown>
+    </div>
   </div>
 </template>
 
@@ -129,7 +128,8 @@ export default {
 
     .documentation {
       margin-right: 35px;
-
+      color: #606266;
+      font-size: 14px;
       .span {
         margin-left: 5px;
       }
diff --git a/frontend/src/views/node/NodeDetail.vue b/frontend/src/views/node/NodeDetail.vue
index dca3d818..4dab386b 100644
--- a/frontend/src/views/node/NodeDetail.vue
+++ b/frontend/src/views/node/NodeDetail.vue
@@ -3,7 +3,7 @@
     <!--selector-->
     <div class="selector">
       <label class="label">{{$t('Node')}}: </label>
-      <el-select v-model="nodeForm._id" @change="onNodeChange">
+      <el-select size="small" v-model="nodeForm._id" @change="onNodeChange">
         <el-option v-for="op in nodeList" :key="op._id" :value="op._id" :label="op.name"></el-option>
       </el-select>
     </div>