diff --git a/backend/entity/system.go b/backend/entity/system.go
index ac3e9dec..4c15cc54 100644
--- a/backend/entity/system.go
+++ b/backend/entity/system.go
@@ -15,11 +15,11 @@ type Executable struct {
 }
 
 type Lang struct {
-	Name              string `json:"name"`
-	ExecutableName    string `json:"executable_name"`
-	ExecutablePath    string `json:"executable_path"`
-	DepExecutablePath string `json:"dep_executable_path"`
-	Installed         bool   `json:"installed"`
+	Name              string   `json:"name"`
+	ExecutableName    string   `json:"executable_name"`
+	ExecutablePaths   []string `json:"executable_paths"`
+	DepExecutablePath string   `json:"dep_executable_path"`
+	Installed         bool     `json:"installed"`
 }
 
 type Dependency struct {
diff --git a/backend/scripts/install-java.sh b/backend/scripts/install-java.sh
new file mode 100644
index 00000000..e98de224
--- /dev/null
+++ b/backend/scripts/install-java.sh
@@ -0,0 +1,11 @@
+#!/bin/env bash
+
+# lock
+touch /tmp/install-java.lock
+
+# install java
+apt-get install -y default-jdk
+ln -s /usr/bin/java /usr/local/bin/java
+
+# unlock
+rm /tmp/install-java.lock
diff --git a/backend/scripts/install-nodejs.sh b/backend/scripts/install-nodejs.sh
index 376a2a3f..eada900a 100644
--- a/backend/scripts/install-nodejs.sh
+++ b/backend/scripts/install-nodejs.sh
@@ -1,5 +1,8 @@
 #!/bin/env bash
 
+# lock
+touch /tmp/install-nodejs.lock
+
 # install nvm
 BASE_DIR=`dirname $0`
 /bin/bash ${BASE_DIR}/install-nvm.sh
@@ -33,3 +36,6 @@ apt-get update && apt-get install -y --no-install-recommends gconf-service libas
 PUPPETEER_DOWNLOAD_HOST=https://npm.taobao.org/mirrors
 npm config set puppeteer_download_host=https://npm.taobao.org/mirrors
 npm install puppeteer-chromium-resolver crawlab-sdk -g --unsafe-perm=true --registry=https://registry.npm.taobao.org
+
+# unlock
+rm /tmp/install-nodejs.lock
diff --git a/backend/services/system.go b/backend/services/system.go
index 6181afee..b2884378 100644
--- a/backend/services/system.go
+++ b/backend/services/system.go
@@ -65,9 +65,9 @@ func GetSystemInfo(nodeId string) (sysInfo entity.SystemInfo, err error) {
 // 获取语言列表
 func GetLangList(nodeId string) []entity.Lang {
 	list := []entity.Lang{
-		{Name: "Python", ExecutableName: "python", ExecutablePath: "/usr/local/bin/python", DepExecutablePath: "/usr/local/bin/pip"},
-		{Name: "Node.js", ExecutableName: "node", ExecutablePath: "/usr/local/bin/node", DepExecutablePath: "/usr/local/bin/npm"},
-		//{Name: "Java", ExecutableName: "java", ExecutablePath: "/usr/local/bin/java"},
+		{Name: "Python", ExecutableName: "python", ExecutablePaths: []string{"/usr/bin/python", "/usr/local/bin/python"}, DepExecutablePath: "/usr/local/bin/pip"},
+		{Name: "Node.js", ExecutableName: "node", ExecutablePaths: []string{"/usr/bin/node", "/usr/local/bin/node"}, DepExecutablePath: "/usr/local/bin/npm"},
+		{Name: "Java", ExecutableName: "java", ExecutablePaths: []string{"/usr/bin/java", "/usr/local/bin/java"}},
 	}
 	for i, lang := range list {
 		list[i].Installed = IsInstalledLang(nodeId, lang)
@@ -93,8 +93,10 @@ func IsInstalledLang(nodeId string, lang entity.Lang) bool {
 		return false
 	}
 	for _, exec := range sysInfo.Executables {
-		if exec.Path == lang.ExecutablePath {
-			return true
+		for _, path := range lang.ExecutablePaths {
+			if exec.Path == path {
+				return true
+			}
 		}
 	}
 	return false
diff --git a/docker-compose.yml b/docker-compose.yml
index affdf7bb..26cbb989 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -23,6 +23,7 @@ services:
       # CRAWLAB_SERVER_REGISTER_IP: "127.0.0.1"  # node register ip 节点注册IP. 节点唯一识别号，只有当 CRAWLAB_SERVER_REGISTER_TYPE 为 "ip" 时才生效
       # CRAWLAB_TASK_WORKERS: 4  # number of task executors 任务执行器个数（并行执行任务数）
       # CRAWLAB_SERVER_LANG_NODE: "Y"  # whether to pre-install Node.js 预安装 Node.js 语言环境
+      # CRAWLAB_SERVER_LANG_JAVA: "Y"  # whether to pre-install Java 预安装 Java 语言环境
       # CRAWLAB_SETTING_ALLOWREGISTER: "N"  # whether to allow user registration 是否允许用户注册
       # CRAWLAB_SETTING_ENABLETUTORIAL: "N"  # whether to enable tutorial 是否启用教程
       # CRAWLAB_NOTIFICATION_MAIL_SERVER: smtp.exmaple.com  # STMP server address STMP 服务器地址
diff --git a/docker_init.sh b/docker_init.sh
index 4baee046..9c51fa83 100755
--- a/docker_init.sh
+++ b/docker_init.sh
@@ -26,7 +26,14 @@ service nginx start
 if [ "${CRAWLAB_SERVER_LANG_NODE}" = "Y" ];
 then
 	echo "installing node.js"
-	/bin/sh /app/backend/scripts/install-nodejs.sh
+	/bin/sh /app/backend/scripts/install-nodejs.sh &
+fi
+
+# install languages: Java
+if [ "${CRAWLAB_SERVER_LANG_JAVA}" = "Y" ];
+then
+	echo "installing java"
+	/bin/sh /app/backend/scripts/install-java.sh &
 fi
 
 # generate ssh
diff --git a/frontend/src/components/Node/NodeInstallation.vue b/frontend/src/components/Node/NodeInstallation.vue
index 2d466ab7..68eb14c7 100644
--- a/frontend/src/components/Node/NodeInstallation.vue
+++ b/frontend/src/components/Node/NodeInstallation.vue
@@ -152,6 +152,7 @@ export default {
   methods: {
     async getDepList () {
       this.loading = true
+      this.depList = []
       const res = await this.$request.get(`/nodes/${this.nodeForm._id}/deps`, {
         lang: this.activeLang.executable_name,
         dep_name: this.depName
@@ -175,6 +176,7 @@ export default {
     },
     async getInstalledDepList () {
       this.loading = true
+      this.installedDepList = []
       const res = await this.$request.get(`/nodes/${this.nodeForm._id}/deps/installed`, {
         lang: this.activeLang.executable_name
       })
diff --git a/frontend/src/components/Node/NodeInstallationMatrix.vue b/frontend/src/components/Node/NodeInstallationMatrix.vue
new file mode 100644
index 00000000..c08dcaeb
--- /dev/null
+++ b/frontend/src/components/Node/NodeInstallationMatrix.vue
@@ -0,0 +1,20 @@
+<template>
+  <div class="node-installation-matrix">
+  </div>
+</template>
+
+<script>
+export default {
+  name: 'NodeInstallationMatrix',
+  props: {
+    activeTab: {
+      type: String,
+      default: ''
+    }
+  }
+}
+</script>
+
+<style scoped>
+
+</style>
diff --git a/frontend/src/views/node/NodeList.vue b/frontend/src/views/node/NodeList.vue
index 2b721950..a3320f8d 100644
--- a/frontend/src/views/node/NodeList.vue
+++ b/frontend/src/views/node/NodeList.vue
@@ -142,6 +142,9 @@
       <el-tab-pane :label="$t('Network')">
         <node-network :active-tab="activeTab"/>
       </el-tab-pane>
+      <el-tab-pane :label="$t('Installation')">
+        <node-installation-matrix :active-tab="activeTab"/>
+      </el-tab-pane>
     </el-tabs>
   </div>
 </template>
@@ -153,10 +156,11 @@ import {
 } from 'vuex'
 import 'github-markdown-css/github-markdown.css'
 import NodeNetwork from '../../components/Node/NodeNetwork'
+import NodeInstallationMatrix from '../../components/Node/NodeInstallationMatrix'
 
 export default {
   name: 'NodeList',
-  components: { NodeNetwork },
+  components: { NodeInstallationMatrix, NodeNetwork },
   data () {
     return {
       pagination: {