Code cleanup

Signed-off-by: Yuan Si <do4suki@gmail.com>

model/authkey.go

@@ -0,0 +1,14 @@
+package model
+
+// AuthKeyRes ...
+type AuthKeyRes struct {
+	AuthorizeToken string `json:"authorize_token"`
+	DummyToken     string `json:"dummy_token"`
+}
+
+// AuthKeyResp ...
+type AuthKeyResp struct {
+	ResponseData AuthKeyRes    `json:"response_data"`
+	ReleaseInfo  []interface{} `json:"release_info"`
+	StatusCode   int           `json:"status_code"`
+}