Please Enter Secuity Code这句话是什么意思

Please Enter Secuity Code这句话是什么意思 Please enter your Please enter a valid please enter a password. Please enter your location. Please enter your Surname. please enter your gender please enter an avatar Please enter valid Last please enter a vaiid Please enter the verify code! Please Enter Valid Product Code. Please enter a valid zipcode please press enter to continue Please enter your password是什么意思 “Please enter only digits”是什么意思? please enter a valid first Please enter chatroom password 急