diff --git a/.gitignore b/.gitignore
index 77a3132..c5d957e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -26,4 +26,7 @@ aier_bot-*.tar
 /tmp/
 .DS_Store
 .local
-run.sh
\ No newline at end of file
+dev.sh
+start.sh
+run.sh
+nohup.out
diff --git a/docs/dev_readme.md b/docs/dev_readme.md
new file mode 100644
index 0000000..ec2bf80
--- /dev/null
+++ b/docs/dev_readme.md
@@ -0,0 +1,21 @@
+# Dev Readme
+
+## Dev
+
+```sh
+./dev
+```
+
+## Prod
+
+```sh
+./start
+```
+
+Stop
+
+```bash
+ps aux | grep mix
+
+kill -9 <pid>
+```
diff --git a/lib/aier_bot/bot.ex b/lib/aier_bot/bot.ex
index cb7280d..beaa8f3 100644
--- a/lib/aier_bot/bot.ex
+++ b/lib/aier_bot/bot.ex
@@ -10,14 +10,13 @@ defmodule AierBot.Bot do
 
   command("start")
   command("help", description: "Print the bot's help")
-  command("image", description: "Generate image from text")
 
   middleware(ExGram.Middleware.IgnoreUsername)
 
   def bot(), do: @bot
 
   def handle({:command, :start, _msg}, context) do
-    answer(context, "Hi!")
+    answer(context, "Hi! I'm a bot that can download images and videos, just give me a link.")
   end
 
   def handle({:command, :help, _msg}, context) do
diff --git a/lib/aier_bot/file_helper.ex b/lib/aier_bot/file_helper.ex
index 92774df..bd2d795 100644
--- a/lib/aier_bot/file_helper.ex
+++ b/lib/aier_bot/file_helper.ex
@@ -1,8 +1,14 @@
 defmodule AierBot.FileHelper do
   use Tesla
 
-  # youtube video download url: "https://olly.imput.net/api/stream?id=WpsLJCeQ24MBD_xM_3uwu&exp=1721625834931&sig=4UvjCvFD57jU7yrLdwmzRmfsPgPb8KhFIE1DwmnOj14&sec=C1Hty_eEXvswFhzdrDfDZ4cmkSUDgex1aV6mzDSK0dc&iv=ozku3rLJzeV_rVRSzWVlFw"
-  def download("https://olly.imput.net/api/stream" <> _ = url) do
+  def download(url) do
+    cond do
+      String.contains?(url, "/api/stream") -> download_streaming(url)
+      true -> download_file(url)
+    end
+  end
+
+  defp download_streaming(url) do
     IO.inspect(url, label: "Download URL")
 
     case get(url) do
@@ -20,7 +26,7 @@ defmodule AierBot.FileHelper do
     end
   end
 
-  def download(url) do
+  defp download_file(url) do
     IO.inspect(url, label: "Download URL")
 
     case get(url) do