diff --git a/pkg/build/build.go b/pkg/build/build.go
index b6c27b9..f421978 100644
--- a/pkg/build/build.go
+++ b/pkg/build/build.go
@@ -41,7 +41,8 @@ func NewBuild(cmd *cobra.Command, args []string) *Build {
 func (b *Build) Build() {
 	// 1. 拷贝至临时目录
 	b.copyProjectToTmp()
-	// defer b.clean()
+	defer b.clean()
+
 	log.Donef("project copied to temporary directory")
 	// 2. inject cover vars
 	cover.Inject()
@@ -50,6 +51,8 @@ func (b *Build) Build() {
 }
 
 func (b *Build) doBuildInTemp() {
+	log.StartWait("building the injected project")
+
 	goflags := config.GocConfig.Goflags
 	// 检查用户是否自定义了 -o
 	oSet := false
@@ -64,22 +67,19 @@ func (b *Build) doBuildInTemp() {
 		goflags = append(goflags, "-o", config.GocConfig.CurWd)
 	}
 
-	pacakges := config.GocConfig.TmpPkgDir
-	if config.GocConfig.ContainSpecialPattern {
-		pacakges = pacakges + "/..."
-	}
+	pacakges := config.GocConfig.Packages
 
-	goflags = append(goflags, pacakges)
+	goflags = append(goflags, pacakges...)
 
 	args := []string{"build"}
 	args = append(args, goflags...)
 	// go 命令行由 go build [-o output] [build flags] [packages] 组成
 	cmd := exec.Command("go", args...)
-	cmd.Dir = config.GocConfig.TmpModProjectDir
+	cmd.Dir = config.GocConfig.TmpWd
 	cmd.Stdout = os.Stdout
 	cmd.Stderr = os.Stderr
 
-	log.Infof("go build cmd is: %v", cmd.Args)
+	log.Infof("go build cmd is: %v, in path [%v]", cmd.Args, cmd.Dir)
 	if err := cmd.Start(); err != nil {
 		log.Fatalf("fail to execute go build: %v", err)
 	}
@@ -88,5 +88,6 @@ func (b *Build) doBuildInTemp() {
 	}
 
 	// done
+	log.StopWait()
 	log.Donef("go build done")
 }
diff --git a/pkg/build/goenv.go b/pkg/build/goenv.go
index 910e8df..70d3ae1 100644
--- a/pkg/build/goenv.go
+++ b/pkg/build/goenv.go
@@ -20,7 +20,7 @@ func (b *Build) readProjectMetaInfo() {
 	config.GocConfig.GOPATH = b.readGOPATH()
 	config.GocConfig.GOBIN = b.readGOBIN()
 	// 获取 [packages] 及其依赖的 package list
-	pkgs := b.listPackages(config.GocConfig.CurPkgDir)
+	pkgs := b.listPackages(config.GocConfig.CurWd)
 
 	// get mod info
 	for _, pkg := range pkgs {
@@ -35,8 +35,8 @@ func (b *Build) readProjectMetaInfo() {
 		break
 	}
 
-	// 如果包目录不是工程根目录，那再次 go list 一次，获取整个工程的包信息
-	if config.GocConfig.CurPkgDir != config.GocConfig.CurModProjectDir {
+	// 如果当前目录不是工程根目录，那再次 go list 一次，获取整个工程的包信息
+	if config.GocConfig.CurWd != config.GocConfig.CurModProjectDir {
 		config.GocConfig.Pkgs = b.listPackages(config.GocConfig.CurModProjectDir)
 	} else {
 		config.GocConfig.Pkgs = pkgs
@@ -44,8 +44,8 @@ func (b *Build) readProjectMetaInfo() {
 
 	// get tmp folder name
 	config.GocConfig.TmpModProjectDir = filepath.Join(os.TempDir(), tmpFolderName(config.GocConfig.CurModProjectDir))
-	// get cur pkg dir in the corresponding tmp dir
-	config.GocConfig.TmpPkgDir = filepath.Join(config.GocConfig.TmpModProjectDir, config.GocConfig.CurPkgDir[len(config.GocConfig.CurModProjectDir):])
+	// get working dir in the corresponding tmp dir
+	config.GocConfig.TmpWd = filepath.Join(config.GocConfig.TmpModProjectDir, config.GocConfig.CurWd[len(config.GocConfig.CurModProjectDir):])
 	// get GlobalCoverVarImportPath
 	config.GocConfig.GlobalCoverVarImportPath = path.Join(config.GocConfig.ImportPath, tmpFolderName(config.GocConfig.CurModProjectDir))
 	log.Donef("project meta information parsed")
diff --git a/pkg/config/config.go b/pkg/config/config.go
index aafc814..e23f541 100644
--- a/pkg/config/config.go
+++ b/pkg/config/config.go
@@ -3,25 +3,24 @@ package config
 import "time"
 
 type gocConfig struct {
-	Debug                 bool
-	CurWd                 string
-	Goflags               []string
-	ImportPath            string // import path of the project
-	CurPkgDir             string
-	CurModProjectDir      string
-	TmpModProjectDir      string
-	TmpPkgDir             string
-	ContainSpecialPattern bool // 参数中包含 ...
-	Pkgs                  map[string]*Package
-	GOPATH                string
-	GOBIN                 string
-	IsMod                 bool // deprecated
+	Debug bool
+	Host  string
+	Mode  string // cover mode
 
+	GOPATH           string
+	GOBIN            string
+	CurWd            string
+	TmpWd            string
+	CurModProjectDir string
+	TmpModProjectDir string
+
+	Goflags  []string // command line flags
+	Packages []string // command line [packages]
+
+	ImportPath                  string // the whole import path of the project
+	Pkgs                        map[string]*Package
 	GlobalCoverVarImportPath    string
 	GlobalCoverVarImportPathDir string
-
-	Host string
-	Mode string // cover mode
 }
 
 // GocConfig 全局变量，存放 goc 的各种元属性
diff --git a/pkg/flag/packages.go b/pkg/flag/packages.go
index 491e404..72d8123 100644
--- a/pkg/flag/packages.go
+++ b/pkg/flag/packages.go
@@ -2,12 +2,12 @@ package flag
 
 import (
 	"fmt"
-	"log"
 	"os"
 	"path/filepath"
 	"strings"
 
 	"github.com/qiniu/goc/v2/pkg/config"
+	"github.com/qiniu/goc/v2/pkg/log"
 )
 
 // GetPackagesDir parse [pacakges] part of args, it will fatal if error encountered
@@ -19,6 +19,7 @@ import (
 // 如果 [packages] 非法（即不符合 go 原生的定义），则返回对应错误
 // 这里只考虑 go mod 的方式
 func GetPackagesDir(patterns []string) {
+	packages := make([]string, 0)
 	for _, p := range patterns {
 		// patterns 只支持两种格式
 		// 1. 要么是直接指向某些 .go 文件的相对/绝对路径
@@ -29,33 +30,27 @@ func GetPackagesDir(patterns []string) {
 					log.Fatalf("%v", err)
 				}
 
-				// 获取绝对路径
-				absp, err := filepath.Abs(p)
-				if err != nil {
-					log.Fatalf("%v", err)
+				// 获取相对于 current working directory 对路径
+				for _, p := range patterns {
+					if filepath.IsAbs(p) {
+						relPath, err := filepath.Rel(config.GocConfig.CurWd, p)
+						if err != nil {
+							log.Fatalf("fail to get [packages] relative path from current working directory: %v", err)
+						}
+						packages = append(packages, relPath)
+					} else {
+						packages = append(packages, p)
+					}
 				}
+				config.GocConfig.Packages = packages
 
-				// 获取当前 [packages] 所在的目录位置，供后续插桩使用。
-				config.GocConfig.CurPkgDir = filepath.Dir(absp)
-				// 获取二进制名字
-				// config.GocConfig.BinaryName = filepath.Base(absp)
 				return
 			}
 		}
 	}
 
 	// 2. 要么是 import path
-	coverWd, err := getDirFromImportPaths(patterns)
-	if err != nil {
-		log.Fatalf("%v", err)
-	}
-
-	config.GocConfig.CurPkgDir = coverWd
-
-	// 是否包含 ...
-	if strings.Contains(patterns[0], "...") {
-		config.GocConfig.ContainSpecialPattern = true
-	}
+	config.GocConfig.Packages = patterns
 }
 
 // goFilesPackage 对一组 go 文件解析，判断是否合法
diff --git a/pkg/server/common.go b/pkg/server/common.go
index b81a894..360ebd2 100644
--- a/pkg/server/common.go
+++ b/pkg/server/common.go
@@ -8,8 +8,8 @@ import (
 )
 
 const (
-	PongWait = 20 * time.Second
-	PingWait = 10 * time.Second
+	PongWait = 10 * time.Second
+	PingWait = 5 * time.Second
 )
 
 type ProfileReq string