add lable; smal fix

src/func/check_config

@@ -28,13 +28,16 @@ function check_config() {
 
     #Project
     [ -f "<LIBDIR>/proj/$distro" ] || {
-        echo "No Project \"$distrp\" is not supported" | tee -a "$log_file"
+        echo "No Project \"$distro\" is not supported" | tee -a "$log_file"
         return 3
     }
 
     #live-system files
     if [ -f "$iso_source" ]; then
         if [ -n "$iso_destination" ] && [ -d "${iso_destination%/*}" ]; then
+            #Lable
+            [ -z "$iso_lable" ] && iso_lable="$distro"
+
             # iso_source -> iso_destination
             # iso_source -> squashfs [optinal]
         else