diff --git a/README.md b/README.md
index 1add588..9958d3f 100644
--- a/README.md
+++ b/README.md
@@ -184,4 +184,4 @@ Das ist die Datenbank-Struktur:
 
 `database.userdata` speichert Daten von verschiedenen Plugins, hierzu wird aber für Brawlbot-Plugins Redis verwendet.
 
-`database.version` speichert die Bot-Version.
\ No newline at end of file
+`database.version` speichert die Bot-Version
\ No newline at end of file
diff --git a/launch.sh b/launch.sh
index 6f6f5f2..2e115aa 100755
--- a/launch.sh
+++ b/launch.sh
@@ -1,5 +1,6 @@
 #!/bin/sh
-
+# Launch Brawlbot
+# Restart Brawlbot five seconds after halted.
 while true; do
     lua main.lua
     echo 'otouto has stopped. ^C to exit.'
diff --git a/otouto/bot.lua b/otouto/bot.lua
index 2b16481..a512d9c 100644
--- a/otouto/bot.lua
+++ b/otouto/bot.lua
@@ -23,6 +23,7 @@ local bot = {}
 bot.version = '2.2.7'
 
 function bot:init(config) -- The function run when the bot is started or reloaded.
+    assert(config.bot_api_key, 'Dein Bot-Token ist nicht in der Config gesetzt!')
     bindings = require('otouto.bindings').init(config.bot_api_key)
 	utilities = require('otouto.utilities')
 	cred_data = load_cred()
diff --git a/otouto/plugins/luarun.lua b/otouto/plugins/luarun.lua
index e6c40ca..2184bb4 100644
--- a/otouto/plugins/luarun.lua
+++ b/otouto/plugins/luarun.lua
@@ -1,58 +1,72 @@
 local luarun = {}
 
+local utilities = require('otouto.utilities')
+local URL = require('socket.url')
+local JSON, serpent
+
 function luarun:init(config)
-	luarun.triggers = utilities.triggers(self.info.username, config.cmd_pat):t('lua', true):t('return', true).table
-	if config.luarun_serpent then
-		serpent = require('serpent')
-		luarun.serialize = function(t)
-			return serpent.block(t, {comment=false})
-		end
-	else
-		JSON = require('dkjson')
-		luarun.serialize = function(t)
-			return JSON.encode(t, {indent=true})
-		end
-	end
+    luarun.triggers = utilities.triggers(self.info.username, config.cmd_pat):t('lua', true):t('return', true).table
+    if config.luarun_serpent then
+        serpent = require('serpent')
+        luarun.serialize = function(t)
+            return serpent.block(t, {comment=false})
+        end
+    else
+        JSON = require('dkjson')
+        luarun.serialize = function(t)
+            return JSON.encode(t, {indent=true})
+        end
+    end
 end
 
 function luarun:action(msg, config)
 
-	if not is_sudo(msg, config) then
-		return true
-	end
+    if msg.from.id ~= config.admin then
+        return true
+    end
 
-	local input = utilities.input(msg.text)
-	if not input then
-		utilities.send_reply(msg, 'Bitte gebe einen Befehl ein.')
-		return
-	end
+    local input = utilities.input(msg.text)
+    if not input then
+        utilities.send_reply(msg, 'Bitte tätige eine Eingabe.')
+        return
+    end
 
-	if msg.text_lower:match('^'..config.cmd_pat..'return') then
-		input = 'return ' .. input
-	end
+    if msg.text_lower:match('^'..config.cmd_pat..'return') then
+        input = 'return ' .. input
+    end
 
-	local output = loadstring( [[
-		local bot = require('otouto.bot')
-		local bindings = require('otouto.bindings')
-		local utilities = require('otouto.utilities')
-		local json = require('dkjson')
-		local URL = require('socket.url')
-		local http = require('socket.http')
-		local https = require('ssl.https')
-		return function (msg, config) ]] .. input .. [[ end
-	]] )()(msg, config)
-	if output == nil then
-		output = 'Ausgeführt!'
-	else
-		if type(output) == 'table' then
-			local s = luarun.serialize(output)
-			if URL.escape(s):len() < 4000 then
-				output = s
-			end
-		end
-		output = '```\n' .. tostring(output) .. '\n```'
-	end
-	utilities.send_message(msg.chat.id, output, true, msg.message_id, true)
+    local output, success =
+        load("local bot = require('otouto.bot')\n\z
+        local bindings = require('otouto.bindings')\n\z
+        local utilities = require('otouto.utilities')\n\z
+        local json = require('dkjson')\n\z
+        local URL = require('socket.url')\n\z
+        local http = require('socket.http')\n\z
+        local https = require('ssl.https')\n\z
+        return function (self, msg, config)\n" .. input .. "\nend")
+
+    local function err_msg(x)
+        return "Fehler:\n" .. tostring(x)
+    end
+
+    if output == nil then
+        output = success
+    else
+        success, output = xpcall(output(), err_msg, self, msg, config)
+    end
+
+    if output == nil then
+        output = 'Fertig!'
+    else
+        if type(output) == 'table' then
+            local s = luarun.serialize(output)
+            if URL.escape(s):len() < 4000 then
+                output = s
+            end
+        end
+        output = '<code>' .. utilities.html_escape(tostring(output)) .. '</code>'
+    end
+    utilities.send_message(msg.chat.id, output, true, msg.message_id, 'html')
 
 end