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/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")