local json = require("luci.jsonc")
local adbinput = uci.get("adblock", "global", "adb_rtfile") or "/tmp/adb_runtime.json"
local dnspath = uci.get("adblock", "global", "adb_dnsdir") or ""
-local parse = json.parse(fs.readfile(adbinput))
+local parse = json.parse(fs.readfile(adbinput) or "")
if parse ~= nil then
version = parse.data.adblock_version
domains = parse.data.blocked_domains