diff --git a/.devcontainer/devcontainer.json b/.devcontainer/devcontainer.json
index d8b13d3a4..dc003ca20 100644
--- a/.devcontainer/devcontainer.json
+++ b/.devcontainer/devcontainer.json
@@ -6,16 +6,6 @@
     "build": { "dockerfile": "Dockerfile" },
     // Replace with uncommented line below to build your own local copy of the image
     // "dockerFile": "../docker/Dockerfile-dev",
-    "containerEnv": {
-        // Uncomment to overwrite devcontainer .kube/config and .minikube certs with the localhost versions
-        // each time the devcontainer starts, if the respective .kube-localhost/config and .minikube-localhost
-        // folders respectively are bind mounted to the devcontainer.
-        // "SYNC_LOCALHOST_KUBECONFIG": "true"
-
-        // Uncomment to disable docker-in-docker and automatically proxy default /var/run/docker.sock to
-        // the localhost bind-mount /var/run/docker-host.sock.
-        // "BIND_LOCALHOST_DOCKER": "true"
-    },
     "remoteEnv": {
         "GO111MODULE": "on",
         "GOPROXY": "https://goproxy.cn",
diff --git a/assets/colors.md b/assets/colors.md
new file mode 100644
index 000000000..cf8777719
--- /dev/null
+++ b/assets/colors.md
@@ -0,0 +1,11 @@
+# Official Colors
+
+The openim logo has an official blue color.  When reproducing the logo, please use the official color, when possible.
+
+## Pantone
+
+When possible, the Pantone color is preferred for print material.  The official Pantone color is *285C*.
+
+## RGB
+
+When used digitally, the official RGB color code is *#326CE5*.
diff --git a/pkg/common/config/parse.go b/pkg/common/config/parse.go
index 1410a5a4a..64719d6a1 100644
--- a/pkg/common/config/parse.go
+++ b/pkg/common/config/parse.go
@@ -24,6 +24,7 @@ import (
 	"gopkg.in/yaml.v3"
 
 	"github.com/openimsdk/open-im-server/v3/pkg/msgprocessor"
+	"github.com/openimsdk/open-im-server/v3/pkg/util/genutil"
 )
 
 //go:embed version
@@ -37,19 +38,30 @@ const (
 
 // return absolude path join ../config/, this is k8s container config path.
 func GetDefaultConfigPath() string {
-	b, err := filepath.Abs(os.Args[0])
+	executablePath, err := os.Executable()
 	if err != nil {
-		fmt.Println("filepath.Abs error,err=", err)
+		fmt.Println("GetDefaultConfigPath error:", err.Error())
 		return ""
 	}
-	return filepath.Join(filepath.Dir(b), "../config/")
+
+	configPath, err := genutil.OutDir(filepath.Join(filepath.Dir(executablePath), "../config/"))
+	if err != nil {
+		fmt.Fprintf(os.Stderr, "failed to get output directory: %v\n", err)
+		os.Exit(1)
+	}
+	return configPath
 }
 
 // getProjectRoot returns the absolute path of the project root directory.
 func GetProjectRoot() string {
-	b, _ := filepath.Abs(os.Args[0])
+	executablePath, _ := os.Executable()
 
-	return filepath.Join(filepath.Dir(b), "../../../../..")
+	projectRoot, err := genutil.OutDir(filepath.Join(filepath.Dir(executablePath), "../../../../.."))
+	if err != nil {
+		fmt.Fprintf(os.Stderr, "failed to get output directory: %v\n", err)
+		os.Exit(1)
+	}
+	return projectRoot
 }
 
 func GetOptionsByNotification(cfg NotificationConf) msgprocessor.Options {
diff --git a/pkg/util/flag/flag.go b/pkg/util/flag/flag.go
new file mode 100644
index 000000000..7bbacf444
--- /dev/null
+++ b/pkg/util/flag/flag.go
@@ -0,0 +1,40 @@
+package flag
+
+import (
+	goFlag "flag"
+	"log"
+	"strings"
+
+	"github.com/spf13/pflag"
+)
+
+// WordSepNormalizeFunc changes all flags that contain "_" separators.
+func WordSepNormalizeFunc(f *pflag.FlagSet, name string) pflag.NormalizedName {
+	if strings.Contains(name, "_") {
+		return pflag.NormalizedName(strings.ReplaceAll(name, "_", "-"))
+	}
+	return pflag.NormalizedName(name)
+}
+
+// WarnWordSepNormalizeFunc changes and warns for flags that contain "_" separators.
+func WarnWordSepNormalizeFunc(f *pflag.FlagSet, name string) pflag.NormalizedName {
+	if strings.Contains(name, "_") {
+		normalizedName := strings.ReplaceAll(name, "_", "-")
+		log.Printf("WARNING: flag %s has been deprecated and will be removed in a future version. Use %s instead.", name, normalizedName)
+		return pflag.NormalizedName(normalizedName)
+	}
+	return pflag.NormalizedName(name)
+}
+
+// InitFlags normalizes, parses, then logs the command line flags.
+func InitFlags() {
+	pflag.CommandLine.SetNormalizeFunc(WordSepNormalizeFunc)
+	pflag.CommandLine.AddGoFlagSet(goFlag.CommandLine)
+}
+
+// PrintFlags logs the flags in the flagset.
+func PrintFlags(flags *pflag.FlagSet) {
+	flags.VisitAll(func(flag *pflag.Flag) {
+		log.Printf("FLAG: --%s=%q", flag.Name, flag.Value)
+	})
+}
diff --git a/pkg/util/genutil/genutil.go b/pkg/util/genutil/genutil.go
new file mode 100644
index 000000000..36da89bbb
--- /dev/null
+++ b/pkg/util/genutil/genutil.go
@@ -0,0 +1,27 @@
+package genutil
+
+import (
+	"fmt"
+	"os"
+	"path/filepath"
+)
+
+// OutDir creates the absolute path name from path and checks path exists.
+// Returns absolute path including trailing '/' or error if path does not exist.
+func OutDir(path string) (string, error) {
+	outDir, err := filepath.Abs(path)
+	if err != nil {
+		return "", err
+	}
+
+	stat, err := os.Stat(outDir)
+	if err != nil {
+		return "", err
+	}
+
+	if !stat.IsDir() {
+		return "", fmt.Errorf("output directory %s is not a directory", outDir)
+	}
+	outDir += "/"
+	return outDir, nil
+}
diff --git a/pkg/util/genutil/genutil_test.go b/pkg/util/genutil/genutil_test.go
new file mode 100644
index 000000000..0ee85df27
--- /dev/null
+++ b/pkg/util/genutil/genutil_test.go
@@ -0,0 +1,26 @@
+package genutil
+
+import (
+	"testing"
+)
+
+func TestValidDir(t *testing.T) {
+	_, err := OutDir("./")
+	if err != nil {
+		t.Fatal(err)
+	}
+}
+
+func TestInvalidDir(t *testing.T) {
+	_, err := OutDir("./nondir")
+	if err == nil {
+		t.Fatal("expected an error")
+	}
+}
+
+func TestNotDir(t *testing.T) {
+	_, err := OutDir("./genutils_test.go")
+	if err == nil {
+		t.Fatal("expected an error")
+	}
+}