omdbapi key error

[clockwiser]

http://www.omdbapi.com/?s=$keyword&apikey=YOURAPIKEY

After get api key from omdbapi site, this url doesn't work, showing error.

{"Response":"False","Error":"Invalid API key!"}

Received a notification mail from the site, and strangely not working.

[clockwiser]

keyword is from the search box, a ui input. Only replace YOURAPIKEY with the key got from the site.

http://www.omdbapi.com/?s=$keyword&apikey=YOURAPIKEY

Some words display "Invalid API key" error, some words work such as "joker", "love" and so on.