1. A method for configuring a complex network, comprising: obtaining an access record of each cloud computing server in a cloud server pool in a cloud computing network; constructing a complex network model according to all of the access record(s); performing a community division process to the complex network model to obtain a community structure and memberships of members in each community; and configuring a structure of the cloud computing network according to the community structure and the memberships of the members in each community; wherein the step of configuring the structure of the cloud computing network according to the community structure and the memberships of the members in each community comprises: adjusting a position of a cloud computing server in a community according to the community structure; and adjusting the number of the cloud computing servers in the cloud server pool according to the memberships of the cloud computing servers in the communities; wherein the step of adjusting a position of a cloud computing server in a community according to the community structure comprises: according to the number of times each terminal in the community accessing the cloud computing server, calculating a position of a minimum average distance between the cloud computing server and the each terminal; and locating the cloud computing server at the position of the minimum average distance.