Fix 200 response exception builder

Signed-off-by: Asai Neko <sugar@sne.moe>

service/auth/exchange.go

@@ -113,5 +113,12 @@ func Exchange(c *gin.Context) {
 		RedirectUri string `json:"redirect_uri"`
 	}{url.String()}
 
-	utils.HttpResponse(c, 200, "", "success", exchangeResp)
+	errorCode := new(exception.Builder).
+		SetStatus(exception.StatusSuccess).
+		SetService(exception.ServiceAuth).
+		SetEndpoint(exception.EndpointAuthServiceExchange).
+		SetType(exception.TypeCommon).
+		SetOriginal(exception.CommonSuccess).
+		Build()
+	utils.HttpResponse(c, 200, errorCode, exchangeResp)
 }