+ fixes for prepare and CI scripts

prepare.sh

@@ -37,8 +37,8 @@ process_contents() {
         mkdir -p `dirname "$line"`
         # get file
         curl "$BASE_URL/$channel/$line" -o "$channel/$line"
-        # update contents
     done < "$file"
+    # update contents
     update_contents $channel
     mkdir -p $RELEASE_BASE_PATH/$channel
     cp -r -f $channel/* $RELEASE_BASE_PATH/$channel
@@ -49,7 +49,7 @@ update_contents "$SITE_PATH"
 
 # process opposite channel
 if [ "$TARGET_CHANNEL" == "beta" ]; then
-    process_contents "main"
+    process_contents "stable"
 else
     process_contents "beta"
 fi