Method, system, and device for switching between network applications, and computer storage medium

A method for switching between network applications, comprising:

• acquiring a network application identifier and contact information provided by a client device, locating a network application server according to the network application identifier, and acquiring, from the network application server, interface information of a contact in a network application according to the contact information;
• and
• sending the acquired interface information to the client device.

A client device, comprising:

• a query module configured to acquire an interface trigger instruction, and to search for a network application identifier and contact information according to the interface trigger instruction;
• and
• an information processing module configured to send the network application identifier and the contact information acquired through the searching to a proxy server, to receive, from the proxy server, interface information of a contact corresponding to the contact information in a network application, and to display the interface information.

A proxy server, comprising:

• a locating module configured to acquire a network application identifier and contact information provided by a client device, to locate a network application server according to the network application identifier, and to acquire, from the network application server, interface information of a contact in a network application according to the contact information;
• and
• an information sending module configured to send the acquired interface information to the client device.

(canceled)

(canceled)