fix: 修改多个处理函数的返回类型为指针类型，以提高内存使用效率并避免不必要的拷贝

handler/auth/auth.go

@@ -26,11 +26,11 @@ var userLevelMap = map[string]constants.PermissionLevel{
 	"忽略":  constants.LEVEL_IGNORE,
 }
 
-func setUserLevel(msg model.Message) (reply model.Reply) {
+func setUserLevel(msg model.Message) (reply *model.Reply) {
 	re := regexp.MustCompile(`\s+`)
 	tokens := re.Split(msg.RawMsg, -1)
 	if len(tokens) < 3 {
-		return model.Reply{
+		return &model.Reply{
 			ReplyMsg:       "参数不足",
 			ReferOriginMsg: true,
 			FromMsg:        msg,
@@ -44,7 +44,7 @@ func setUserLevel(msg model.Message) (reply model.Reply) {
 	log.Println(userText)
 	user, err := strconv.Atoi(userText)
 	if err != nil {
-		return model.Reply{
+		return &model.Reply{
 			ReplyMsg:       "用户解析失败",
 			ReferOriginMsg: true,
 			FromMsg:        msg,
@@ -53,20 +53,20 @@ func setUserLevel(msg model.Message) (reply model.Reply) {
 	levelText := tokens[2]
 	level, ok := userLevelMap[levelText]
 	if !ok {
-		return model.Reply{
+		return &model.Reply{
 			ReplyMsg:       "权限不存在",
 			ReferOriginMsg: true,
 			FromMsg:        msg,
 		}
 	}
 	if err := auth.SetPermission(int64(user), level); err != nil {
-		return model.Reply{
+		return &model.Reply{
 			ReplyMsg:       "权限设置失败",
 			ReferOriginMsg: true,
 			FromMsg:        msg,
 		}
 	}
-	return model.Reply{
+	return &model.Reply{
 		ReplyMsg:       "权限设置成功",
 		ReferOriginMsg: true,
 		FromMsg:        msg,