fix:知识资源引用保存

controllers/knowledge/resource.go

@@ -1425,7 +1425,16 @@ func (this *ResourceController) BiDashboardResourceSave() {
 	}
 
 	if len(req.KnowledgeResourceList) == 0 {
-		br.Msg = "请选择资源"
+		// 则删除缓存中的数据
+		err := utils.Rc.Delete(utils.CACHE_KEY_BI_DASHBOARD_PREPARE_RESOURCE + strconv.Itoa(this.SysUser.AdminId))
+		if err != nil {
+			br.Msg = "添加失败"
+			br.ErrMsg = "删除缓存失败，Err:" + err.Error()
+			return
+		}
+		br.Msg = "添加成功"
+		br.Ret = 200
+		br.Success = true
 		return
 	}
 	cacheData, err := json.Marshal(req)