feat: add root dir support.

code/rest/matter_controller.go

@@ -232,7 +232,7 @@ func (this *MatterController) Crawl(writer http.ResponseWriter, request *http.Re
 
 	var dirMatter *Matter
 	if puuid == "" {
-		dirMatter = this.matterDao.CheckByUuid(puuid)
+		dirMatter = this.matterDao.CheckWithRootByUuid(puuid, space)
 		if dirMatter.SpaceUuid != space.Uuid {
 			panic(result.UNAUTHORIZED)
 		}

code/rest/matter_dao.go

@@ -65,7 +65,7 @@ func (this *MatterDao) CheckWithRootByUuid(uuid string, space *Space) *Matter {
 	var matter *Matter
 	if uuid == MATTER_ROOT {
 		if space == nil {
-			panic(result.BadRequest("user cannot be null."))
+			panic(result.BadRequest("space cannot be null."))
 		}
 		matter = NewRootMatter(space)
 	} else {

code/rest/matter_model.go

@@ -151,11 +151,12 @@ func (this *Matter) FetchPropMap() map[string]string {
 func (this *Matter) SetPropMap(propMap map[string]string) {
 
 	//恢复panic
-	//defer func() {
-	//	if err := recover(); err != nil {
-	//		fmt.Printf("occur error while set prop map %s\r\n", err)
-	//	}
-	//}()
+	defer func() {
+		fmt.Printf("panic recover check")
+		if err := recover(); err != nil {
+			fmt.Printf("occur error while set prop map %s\r\n", err)
+		}
+	}()
 
 	b, err := jsoniter.ConfigCompatibleWithStandardLibrary.Marshal(propMap)
 	if err != nil {