diff --git a/tool/kratos/tool.go b/tool/kratos/tool.go
index b6b42f6c8..8138f0168 100644
--- a/tool/kratos/tool.go
+++ b/tool/kratos/tool.go
@@ -20,6 +20,7 @@ const (
 	toolDoc = "https://github.com/go-kratos/kratos/blob/master/doc/wiki-cn/kratos-tool.md"
 )
 
+// Tool is kratos tool.
 type Tool struct {
 	Name         string    `json:"name"`
 	Alias        string    `json:"alias"`
diff --git a/tool/kratos/tool_index.go b/tool/kratos/tool_index.go
index 36035d92b..46b1f9d7a 100644
--- a/tool/kratos/tool_index.go
+++ b/tool/kratos/tool_index.go
@@ -6,8 +6,8 @@ var toolIndexs = []*Tool{
 	{
 		Name:      "kratos",
 		Alias:     "kratos",
-		BuildTime: time.Date(2020, 3, 29, 0, 0, 0, 0, time.Local),
-		Install:   "go get -u github.com/go-kratos/kratos/tool/kratos",
+		BuildTime: time.Date(2020, 3, 31, 0, 0, 0, 0, time.Local),
+		Install:   "go get -u github.com/go-kratos/kratos/tool/kratos@" + Version,
 		Summary:   "Kratos工具集本体",
 		Platform:  []string{"darwin", "linux", "windows"},
 		Author:    "kratos",
@@ -16,26 +16,17 @@ var toolIndexs = []*Tool{
 	{
 		Name:      "protoc",
 		Alias:     "kratos-protoc",
-		BuildTime: time.Date(2020, 3, 29, 0, 0, 0, 0, time.Local),
-		Install:   "go get -u github.com/go-kratos/kratos/tool/kratos-protoc",
+		BuildTime: time.Date(2020, 3, 31, 0, 0, 0, 0, time.Local),
+		Install:   "go get -u github.com/go-kratos/kratos/tool/kratos-protoc@" + Version,
 		Summary:   "快速方便生成pb.go的protoc封装，windows、Linux请先安装protoc工具",
 		Platform:  []string{"darwin", "linux", "windows"},
 		Author:    "kratos",
 	},
-	{
-		Name:      "swagger",
-		Alias:     "swagger",
-		BuildTime: time.Date(2020, 3, 29, 0, 0, 0, 0, time.Local),
-		Install:   "go get -u github.com/go-swagger/go-swagger/cmd/swagger",
-		Summary:   "swagger api文档",
-		Platform:  []string{"darwin", "linux", "windows"},
-		Author:    "goswagger.io",
-	},
 	{
 		Name:      "genbts",
 		Alias:     "kratos-gen-bts",
-		BuildTime: time.Date(2020, 3, 29, 0, 0, 0, 0, time.Local),
-		Install:   "go get -u github.com/go-kratos/kratos/tool/kratos-gen-bts",
+		BuildTime: time.Date(2020, 3, 31, 0, 0, 0, 0, time.Local),
+		Install:   "go get -u github.com/go-kratos/kratos/tool/kratos-gen-bts@" + Version,
 		Summary:   "缓存回源逻辑代码生成器",
 		Platform:  []string{"darwin", "linux", "windows"},
 		Author:    "kratos",
@@ -43,25 +34,17 @@ var toolIndexs = []*Tool{
 	{
 		Name:      "genmc",
 		Alias:     "kratos-gen-mc",
-		BuildTime: time.Date(2020, 3, 29, 0, 0, 0, 0, time.Local),
-		Install:   "go get -u github.com/go-kratos/kratos/tool/kratos-gen-mc",
+		BuildTime: time.Date(2020, 3, 31, 0, 0, 0, 0, time.Local),
+		Install:   "go get -u github.com/go-kratos/kratos/tool/kratos-gen-mc@" + Version,
 		Summary:   "mc缓存代码生成",
 		Platform:  []string{"darwin", "linux", "windows"},
 		Author:    "kratos",
 	},
-	{
-		Name:      "wire",
-		Alias:     "wire",
-		BuildTime: time.Date(2020, 3, 29, 0, 0, 0, 0, time.Local),
-		Install:   "go get -u github.com/google/wire/cmd/wire",
-		Platform:  []string{"darwin", "linux", "windows"},
-		Hidden:    true,
-	},
 	{
 		Name:         "genproject",
 		Alias:        "kratos-gen-project",
-		Install:      "go get -u github.com/go-kratos/kratos/tool/kratos-gen-project",
-		BuildTime:    time.Date(2020, 3, 29, 0, 0, 0, 0, time.Local),
+		Install:      "go get -u github.com/go-kratos/kratos/tool/kratos-gen-project@" + Version,
+		BuildTime:    time.Date(2020, 3, 31, 0, 0, 0, 0, time.Local),
 		Platform:     []string{"darwin", "linux", "windows"},
 		Hidden:       true,
 		Requirements: []string{"wire"},
@@ -69,8 +52,8 @@ var toolIndexs = []*Tool{
 	{
 		Name:      "testgen",
 		Alias:     "testgen",
-		BuildTime: time.Date(2020, 3, 29, 0, 0, 0, 0, time.Local),
-		Install:   "go get -u github.com/go-kratos/kratos/tool/testgen",
+		BuildTime: time.Date(2020, 3, 31, 0, 0, 0, 0, time.Local),
+		Install:   "go get -u github.com/go-kratos/kratos/tool/testgen@" + Version,
 		Summary:   "测试代码生成",
 		Platform:  []string{"darwin", "linux", "windows"},
 		Author:    "kratos",
@@ -78,10 +61,28 @@ var toolIndexs = []*Tool{
 	{
 		Name:      "testcli",
 		Alias:     "testcli",
-		BuildTime: time.Date(2020, 3, 29, 0, 0, 0, 0, time.Local),
-		Install:   "go get -u github.com/go-kratos/kratos/tool/testcli",
+		BuildTime: time.Date(2020, 3, 31, 0, 0, 0, 0, time.Local),
+		Install:   "go get -u github.com/go-kratos/kratos/tool/testcli@" + Version,
 		Summary:   "测试代码运行",
 		Platform:  []string{"darwin", "linux", "windows"},
 		Author:    "kratos",
 	},
+	//  third party
+	{
+		Name:      "wire",
+		Alias:     "wire",
+		BuildTime: time.Date(2020, 3, 31, 0, 0, 0, 0, time.Local),
+		Install:   "go get -u github.com/google/wire/cmd/wire",
+		Platform:  []string{"darwin", "linux", "windows"},
+		Hidden:    true,
+	},
+	{
+		Name:      "swagger",
+		Alias:     "swagger",
+		BuildTime: time.Date(2020, 3, 31, 0, 0, 0, 0, time.Local),
+		Install:   "go get -u github.com/go-swagger/go-swagger/cmd/swagger",
+		Summary:   "swagger api文档",
+		Platform:  []string{"darwin", "linux", "windows"},
+		Author:    "goswagger.io",
+	},
 }
diff --git a/tool/kratos/version.go b/tool/kratos/version.go
index bc777692d..0649be62c 100644
--- a/tool/kratos/version.go
+++ b/tool/kratos/version.go
@@ -8,7 +8,7 @@ import (
 
 var (
 	// Version is version
-	Version = "0.4.1"
+	Version = "v0.4.2"
 	// BuildTime is BuildTime
 	BuildTime = "2020/3/29"
 )