diff --git a/lua_examples/telnet.lua b/lua_examples/telnet.lua
index 18645187..22610445 100644
--- a/lua_examples/telnet.lua
+++ b/lua_examples/telnet.lua
@@ -29,11 +29,11 @@ function startServer()
    print("===Now, logon and input LUA.====")
 end
 
-tmr.alarm(1000, 1, function() 
+tmr.alarm(1, 1000, 1, function() 
    if wifi.sta.getip()=="0.0.0.0" then
       print("Connect AP, Waiting...") 
    else
       startServer()
-      tmr.stop()
+      tmr.stop(1)
    end
 end)