The invention discloses a gray release method and device, and the method can be applied to the business fields of financial science and technology,
medical health, old-age care and the like, and the method comprises the steps that a front-end version
server constructs a first front-end
version code of a target application, and injects a first version number corresponding to a first front-end version into the first front-end
version code, generating a first target
version code; sending the first target version code to a front-end resource
server; under the condition that the front-end resource
server receives the first request, the first target version code is sent to the
client; and the
client receives the first target version code, obtains a first page rendering resource corresponding to a first version number based on the first version number in the first target version code, and runs the first front-end version according to the first page rendering resource and the first target version code. Therefore, the resource acquisition error caused by the fact that the
version identifier cannot be loaded is avoided, and the version resource acquisition reliability is improved.