diff --git a/build.sh b/build.sh
index 46e7f189c1..dac91efc6d 100755
--- a/build.sh
+++ b/build.sh
@@ -48,10 +48,11 @@ elif [ "$target" == "mkrelease" ]; then
     mv $basedir/$osname-$board.img  $basedir/$osname-$board-$osversion.img
     rm -f $basedir/$osname-$board-$osversion.img.gz
     $gzip $basedir/$osname-$board-$osversion.img
+    echo "your image is ready at $basedir/$osname-$board-$osversion.img.gz"
 elif [ -n "$target" ]; then
     make O=$outputdir $target
 else
-    make O=$outputdir
-    test -x $boarddir/mkimage.sh && $boarddir/mkimage.sh
+    make O=$outputdir all
+    echo "build successful"
 fi
 
diff --git a/writeimage.sh b/writeimage.sh
index 3e0f943064..99895df526 100755
--- a/writeimage.sh
+++ b/writeimage.sh
@@ -2,7 +2,7 @@
 
 
 function usage() {
-    echo "Usage: $0 [options...]" 1>&2
+    echo "Usage: $0 [options...]"
     echo ""
     echo "Available options:"
     echo "    <-i image_file> - indicates the path to the image file (e.g. -i /home/user/Download/file.img.gz)"
@@ -14,7 +14,7 @@ function usage() {
 }
 
 if [ -z "$1" ]; then
-    usage
+    usage 1>&2
 fi
 
 if [[ $(id -u) -ne 0 ]]; then echo "please run as root"; exit 1; fi
@@ -51,13 +51,13 @@ while getopts "a:d:f:h:i:lm:n:o:p:s:w" o; do
             DNS=${S_IP[2]}
             ;;
         *)
-            usage
+            usage 1>&2
             ;;
     esac
 done
 
 if [ -z "$SDCARD_DEV" ] || [ -z "$DISK_IMG" ]; then
-    usage
+    usage 1>&2
 fi
 
 function cleanup {