fix: product config cmd tool application operator trim space

tools/pdcfg/application.go

@@ -72,7 +72,7 @@ func DoApplicationCommand(args []string) error {
 		return errors.New("command arguments not enough!")
 	}
 
-	op := strings.Replace(args[0], "\n", "", -1)
+	op := strings.TrimSpace(args[0])
 
 	switch op {
 	case "add":