A connection method, comprising: when it is determined that a connection between a terminal and a vehicle fails, obtaining identification information of the vehicle and log information of the terminal; sending the identification information and the log information to a server, and receiving at least one connection solution that is issued by the server and matches the identification information and the log information; and controlling, according to the at least one connection solution, the terminal to connect with the vehicle, wherein the controlling, according to the at least one connection solution, the terminal to connect with the vehicle comprises: performing the at least one connection solution in sequence; and re-sending, if the connection between the terminal and the vehicle still fails after performing the at least one connection solution, the log information of performing the at least one connection solution to the server, receiving at least one connection solution that is issued by the server and matches both the identification information and re-sent log information, and repeating such step until the terminal is successfully connected with the vehicle or until information of a non-connection solution issued by the server is received, wherein the log information comprises an error keyword and a feature value of the error keyword is generated by the error keyword, wherein the identification information and the feature value are inputted into a connection solution matching model to obtain the at least one connection solution. when it is determined that a connection between a terminal and a vehicle fails, obtaining identification information of the vehicle and log information of the terminal; sending the identification information and the log information to a server, and receiving at least one connection solution that is issued by the server and matches the identification information and the log information; and controlling, according to the at least one connection solution, the terminal to connect with the vehicle, wherein the controlling, according to the at least one connection solution, the terminal to connect with the vehicle comprises: performing the at least one connection solution in sequence; and re-sending, if the connection between the terminal and the vehicle still fails after performing the at least one connection solution, the log information of performing the at least one connection solution to the server, receiving at least one connection solution that is issued by the server and matches both the identification information and re-sent log information, and repeating such step until the terminal is successfully connected with the vehicle or until information of a non-connection solution issued by the server is received, wherein the log information comprises an error keyword and a feature value of the error keyword is generated by the error keyword, wherein the identification information and the feature value are inputted into a connection solution matching model to obtain the at least one connection solution. performing the at least one connection solution in sequence; and re-sending, if the connection between the terminal and the vehicle still fails after performing the at least one connection solution, the log information of performing the at least one connection solution to the server, receiving at least one connection solution that is issued by the server and matches both the identification information and re-sent log information, and repeating such step until the terminal is successfully connected with the vehicle or until information of a non-connection solution issued by the server is received, wherein the log information comprises an error keyword and a feature value of the error keyword is generated by the error keyword, wherein the identification information and the feature value are inputted into a connection solution matching model to obtain the at least one connection solution.