diff --git a/README-zh.md b/README-zh.md
index 6c2449f2..b4e2b469 100644
--- a/README-zh.md
+++ b/README-zh.md
@@ -21,6 +21,7 @@
 三种方式:
 1. [Docker](https://tikazyq.github.io/crawlab-docs/Installation/Docker.html)（推荐）
 2. [直接部署](https://tikazyq.github.io/crawlab-docs/Installation/Direct.html)（了解内核）
+3. [Kubernetes](https://mp.weixin.qq.com/s/3Q1BQATUIEE_WXcHPqhYbA)
 
 ### 要求（Docker）
 - Docker 18.03+
diff --git a/README.md b/README.md
index 9ae17a77..91a30b34 100644
--- a/README.md
+++ b/README.md
@@ -21,6 +21,7 @@ Golang-based distributed web crawler management platform, supporting various lan
 Two methods:
 1. [Docker](https://tikazyq.github.io/crawlab-docs/Installation/Docker.html) (Recommended)
 2. [Direct Deploy](https://tikazyq.github.io/crawlab-docs/Installation/Direct.html) (Check Internal Kernel)
+3. [Kubernetes](https://mp.weixin.qq.com/s/3Q1BQATUIEE_WXcHPqhYbA)
 
 ### Pre-requisite (Docker)
 - Docker 18.03+
diff --git a/backend/database/mongo.go b/backend/database/mongo.go
index 1c2d6433..e72baeaa 100644
--- a/backend/database/mongo.go
+++ b/backend/database/mongo.go
@@ -3,6 +3,7 @@ package database
 import (
 	"github.com/globalsign/mgo"
 	"github.com/spf13/viper"
+	"net"
 	"time"
 )
 
@@ -39,13 +40,28 @@ func InitMongo() error {
 	var mongoAuth = viper.GetString("mongo.authSource")
 
 	if Session == nil {
-		var uri string
-		if mongoUsername == "" {
-			uri = "mongodb://" + mongoHost + ":" + mongoPort + "/" + mongoDb
-		} else {
-			uri = "mongodb://" + mongoUsername + ":" + mongoPassword + "@" + mongoHost + ":" + mongoPort + "/" + mongoDb + "?authSource=" + mongoAuth
+		var dialInfo mgo.DialInfo
+		addr := net.JoinHostPort(mongoHost, mongoPort)
+		timeout := time.Second * 10
+		dialInfo = mgo.DialInfo{
+			Addrs:         []string{addr},
+			Timeout:       timeout,
+			Database:      mongoDb,
+			PoolLimit:     100,
+			PoolTimeout:   timeout,
+			ReadTimeout:   timeout,
+			WriteTimeout:  timeout,
+			AppName:       "crawlab",
+			FailFast:      true,
+			MinPoolSize:   10,
+			MaxIdleTimeMS: 1000 * 30,
 		}
-		sess, err := mgo.DialWithTimeout(uri, time.Second*5)
+		if mongoUsername != "" {
+			dialInfo.Username = mongoUsername
+			dialInfo.Password = mongoPassword
+			dialInfo.Source = mongoAuth
+		}
+		sess, err := mgo.DialWithInfo(&dialInfo)
 		if err != nil {
 			return err
 		}
diff --git a/backend/routes/spider.go b/backend/routes/spider.go
index addddd99..4c26fcee 100644
--- a/backend/routes/spider.go
+++ b/backend/routes/spider.go
@@ -135,7 +135,7 @@ func PutSpider(c *gin.Context) {
 	// 以防tmp目录不存在
 	tmpPath := viper.GetString("other.tmppath")
 	if !utils.Exists(tmpPath) {
-		if err := os.Mkdir(tmpPath, os.ModePerm); err != nil {
+		if err := os.MkdirAll(tmpPath, os.ModePerm); err != nil {
 			log.Error("mkdir other.tmppath dir error:" + err.Error())
 			debug.PrintStack()
 			HandleError(http.StatusBadRequest, c, errors.New("Mkdir other.tmppath dir error"))
diff --git a/backend/services/spider.go b/backend/services/spider.go
index a2e9a60f..7aea456f 100644
--- a/backend/services/spider.go
+++ b/backend/services/spider.go
@@ -16,6 +16,7 @@ import (
 	"os"
 	"path/filepath"
 	"runtime/debug"
+	"strings"
 )
 
 type SpiderFileData struct {
@@ -144,7 +145,11 @@ func PublishSpider(spider model.Spider) {
 	}
 	// md5值不一样，则下载
 	md5Str := utils.ReadFileOneLine(md5)
+	// 去掉空格以及换行符
+	md5Str = strings.Replace(md5Str, " ", "", -1)
+	md5Str = strings.Replace(md5Str, "\n", "", -1)
 	if gfFile.Md5 != md5Str {
+		log.Infof("md5 is different, gf-md5:%s, file-md5:%s", gfFile.Md5, md5Str)
 		spiderSync.RemoveSpiderFile()
 		spiderSync.Download()
 		spiderSync.CreateMd5File(gfFile.Md5)