diff --git a/Dockerfile b/Dockerfile
index 61beffb7..92afee28 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -35,7 +35,7 @@ RUN apt-get update \
 	&& ln -s /usr/bin/python3 /usr/local/bin/python
 
 # install backend
-RUN pip install scrapy pymongo bs4 requests
+RUN pip install scrapy pymongo bs4 requests crawlab-sdk
 
 # add files
 ADD . /app
diff --git a/Dockerfile.local b/Dockerfile.local
index f095920d..91e24a63 100644
--- a/Dockerfile.local
+++ b/Dockerfile.local
@@ -33,7 +33,7 @@ RUN chmod 777 /tmp \
 	&& ln -s /usr/bin/python3 /usr/local/bin/python
 
 # install backend
-RUN pip install scrapy pymongo bs4 requests -i https://pypi.tuna.tsinghua.edu.cn/simple
+RUN pip install scrapy pymongo bs4 requests crawlab-sdk -i https://pypi.tuna.tsinghua.edu.cn/simple
 
 # add files
 ADD . /app
diff --git a/README-zh.md b/README-zh.md
index cc3b3494..b6319a07 100644
--- a/README-zh.md
+++ b/README-zh.md
@@ -41,8 +41,9 @@
 
 ### 要求（Docker）
 - Docker 18.03+
-- Redis
+- Redis 5.x+
 - MongoDB 3.6+
+- Docker Compose 1.24+ (可选，但推荐)
 
 ### 要求（直接部署）
 - Go 1.12+
@@ -52,12 +53,16 @@
 
 ## 快速开始
 
+请打开命令行并执行下列命令。请保证您已经提前安装了 `docker-compose`。
+
 ```bash
 git clone https://github.com/crawlab-team/crawlab
 cd crawlab
 docker-compose up -d
 ```
 
+接下来，您可以看看 `docker-compose.yml` (包含详细配置参数)，以及参考 [文档](http://docs.crawlab.cn) 来查看更多信息。
+
 ## 运行
 
 ### Docker
@@ -71,13 +76,11 @@ services:
     image: tikazyq/crawlab:latest
     container_name: master
     environment:
-      CRAWLAB_API_ADDRESS: "http://localhost:8000"
       CRAWLAB_SERVER_MASTER: "Y"
       CRAWLAB_MONGO_HOST: "mongo"
       CRAWLAB_REDIS_ADDRESS: "redis"
     ports:    
-      - "8080:8080" # frontend
-      - "8000:8000" # backend
+      - "8080:8080"
     depends_on:
       - mongo
       - redis
diff --git a/README.md b/README.md
index 02b2c5f0..20bc9e4b 100644
--- a/README.md
+++ b/README.md
@@ -41,8 +41,9 @@ Two methods:
 
 ### Pre-requisite (Docker)
 - Docker 18.03+
-- Redis
+- Redis 5.x+
 - MongoDB 3.6+
+- Docker Compose 1.24+ (optional but recommended)
 
 ### Pre-requisite (Direct Deploy)
 - Go 1.12+
@@ -52,12 +53,16 @@ Two methods:
 
 ## Quick Start
 
+Please open the command line prompt and execute the command beloe. Make sure you have installed `docker-compose` in advance.
+
 ```bash
 git clone https://github.com/crawlab-team/crawlab
 cd crawlab
 docker-compose up -d
 ```
 
+Next, you can look into the `docker-compose.yml` (with detailed config params) and the [Documentation (Chinese)](http://docs.crawlab.cn) for further information. 
+
 ## Run
 
 ### Docker
@@ -76,8 +81,7 @@ services:
       CRAWLAB_MONGO_HOST: "mongo"
       CRAWLAB_REDIS_ADDRESS: "redis"
     ports:    
-      - "8080:8080" # frontend
-      - "8000:8000" # backend
+      - "8080:8080"
     depends_on:
       - mongo
       - redis
diff --git a/backend/services/task.go b/backend/services/task.go
index 7da6b022..7a2eed2a 100644
--- a/backend/services/task.go
+++ b/backend/services/task.go
@@ -119,6 +119,20 @@ func SetEnv(cmd *exec.Cmd, envs []model.Env, taskId string, dataCol string) *exe
 	// 默认环境变量
 	cmd.Env = append(os.Environ(), "CRAWLAB_TASK_ID="+taskId)
 	cmd.Env = append(cmd.Env, "CRAWLAB_COLLECTION="+dataCol)
+	cmd.Env = append(cmd.Env, "CRAWLAB_MONGO_HOST="+viper.GetString("mongo.host"))
+	cmd.Env = append(cmd.Env, "CRAWLAB_MONGO_PORT="+viper.GetString("mongo.port"))
+	if viper.GetString("mongo.db") != "" {
+		cmd.Env = append(cmd.Env, "CRAWLAB_MONGO_DB="+viper.GetString("mongo.db"))
+	}
+	if viper.GetString("mongo.username") != "" {
+		cmd.Env = append(cmd.Env, "CRAWLAB_MONGO_USERNAME="+viper.GetString("mongo.username"))
+	}
+	if viper.GetString("mongo.password") != "" {
+		cmd.Env = append(cmd.Env, "CRAWLAB_MONGO_PASSWORD="+viper.GetString("mongo.password"))
+	}
+	if viper.GetString("mongo.authSource") != "" {
+		cmd.Env = append(cmd.Env, "CRAWLAB_MONGO_AUTHSOURCE="+viper.GetString("mongo.authSource"))
+	}
 	cmd.Env = append(cmd.Env, "PYTHONUNBUFFERED=0")
 	cmd.Env = append(cmd.Env, "PYTHONIOENCODING=utf-8")
 	cmd.Env = append(cmd.Env, "TZ=Asia/Shanghai")