NIMServiceName
NIMServiceName: "auth" | "msg" | "msgLog" | "team" | "superTeam" | "misc" | "sync" | "user" | "session" | "systemMessage" | "friend" | "event" | "msgExtend" | "passThrough" | "plugin" | "cloudSession" | "signaling" | "cloudStorage" | "offlinePush"