diff --git a/examples/telnet.lua b/examples/telnet.lua
index 482fcb41..f8ed7340 100644
--- a/examples/telnet.lua
+++ b/examples/telnet.lua
@@ -31,7 +31,7 @@ function startServer()
    print("===Now,Using xcon_tcp logon and input LUA.====")
 end
 
-tmr.alarm(1000, 1, function() 
+tmr.alarm(0, 1000, 1, function() 
    if wifi.sta.getip()=="0.0.0.0" then
       print("Connect AP, Waiting...") 
    else