diff --git a/logger.go b/logger.go
index 7502a14..9b20b17 100644
--- a/logger.go
+++ b/logger.go
@@ -48,7 +48,7 @@ func NewLogger(conf Config) *Logger {
 
 	logger := Logger{
 		truncations: cast.Split(conf.Truncations, ","),
-		traceId:     id.MakeID(10),
+		traceId:     id.Get10Bytes14MPerSecond(),
 	}
 
 	if len(conf.Sensitive) > 0 {
diff --git a/utility.go b/utility.go
index c7e119a..9d25986 100644
--- a/utility.go
+++ b/utility.go
@@ -194,17 +194,14 @@ func getCallStacks(truncations []string) []string {
 
 // GetDefaultName 获取默认应用名称
 func GetDefaultName() string {
-	name := os.Getenv("DISCOVER_APP")
-	if name == "" {
-		name = os.Getenv("discover_app")
-	}
-	if name == "" {
-		if info, ok := debug.ReadBuildInfo(); ok && info.Path != "" && info.Path != "command-line-arguments" {
-			name = path.Base(info.Path)
-		}
+	name := ""
+	if info, ok := debug.ReadBuildInfo(); ok && info.Path != "" && info.Path != "command-line-arguments" {
+		name = path.Base(info.Path)
 	}
 	if name == "" {
 		name = path.Base(os.Args[0])
 	}
+	// 处理 Windows 下的 .exe 后缀
+	name = strings.TrimSuffix(name, ".exe")
 	return name
 }