feat：完善项目管理

app/api/website/model/service_message.go

@@ -0,0 +1,11 @@
+package model
+
+import "SciencesServer/app/common/model"
+
+type ServiceMessage struct {
+	*model.ServiceMessage
+}
+
+func NewServiceMessage() *ServiceMessage {
+	return &ServiceMessage{model.NewServiceMessage()}
+}