diff --git a/kernel/api/block.go b/kernel/api/block.go
index 6054bcf06..7d242a6cd 100644
--- a/kernel/api/block.go
+++ b/kernel/api/block.go
@@ -436,6 +436,24 @@ func getBlockIndex(c *gin.Context) {
 	ret.Data = index
 }
 
+func getBlocksIndexes(c *gin.Context) {
+	ret := gulu.Ret.NewResult()
+	defer c.JSON(http.StatusOK, ret)
+
+	arg, ok := util.JsonArg(c, ret)
+	if !ok {
+		return
+	}
+
+	idsArg := arg["ids"].([]interface{})
+	var ids []string
+	for _, id := range idsArg {
+		ids = append(ids, id.(string))
+	}
+	index := model.GetBlocksIndexes(ids)
+	ret.Data = index
+}
+
 func getBlockInfo(c *gin.Context) {
 	ret := gulu.Ret.NewResult()
 	defer c.JSON(http.StatusOK, ret)
diff --git a/kernel/api/router.go b/kernel/api/router.go
index 6d3fbef6a..f59849480 100644
--- a/kernel/api/router.go
+++ b/kernel/api/router.go
@@ -168,6 +168,7 @@ func ServeAPI(ginServer *gin.Engine) {
 	ginServer.Handle("POST", "/api/block/getTailChildBlocks", model.CheckAuth, getTailChildBlocks)
 	ginServer.Handle("POST", "/api/block/getBlockBreadcrumb", model.CheckAuth, getBlockBreadcrumb)
 	ginServer.Handle("POST", "/api/block/getBlockIndex", model.CheckAuth, getBlockIndex)
+	ginServer.Handle("POST", "/api/block/getBlocksIndexes", model.CheckAuth, getBlocksIndexes)
 	ginServer.Handle("POST", "/api/block/getRefIDs", model.CheckAuth, getRefIDs)
 	ginServer.Handle("POST", "/api/block/getRefIDsByFileAnnotationID", model.CheckAuth, getRefIDsByFileAnnotationID)
 	ginServer.Handle("POST", "/api/block/getBlockDefIDsByRefText", model.CheckAuth, getBlockDefIDsByRefText)
diff --git a/kernel/model/blockinfo.go b/kernel/model/blockinfo.go
index f59ccc993..5b9ca044b 100644
--- a/kernel/model/blockinfo.go
+++ b/kernel/model/blockinfo.go
@@ -274,6 +274,39 @@ func GetBlockIndex(id string) (ret int) {
 	return
 }
 
+func GetBlocksIndexes(ids []string) (ret map[string]int) {
+	ret = map[string]int{}
+	if 1 > len(ids) {
+		return
+	}
+
+	tree, _ := LoadTreeByBlockID(ids[0])
+	if nil == tree {
+		return
+	}
+
+	idx := 0
+	nodesIndexes := map[string]int{}
+	ast.Walk(tree.Root, func(n *ast.Node, entering bool) ast.WalkStatus {
+		if !entering {
+			return ast.WalkContinue
+		}
+
+		if !n.IsChildBlockOf(tree.Root, 1) {
+			return ast.WalkContinue
+		}
+
+		nodesIndexes[n.ID] = idx
+		idx++
+		return ast.WalkContinue
+	})
+
+	for _, id := range ids {
+		ret[id] = nodesIndexes[id]
+	}
+	return
+}
+
 type BlockPath struct {
 	ID       string       `json:"id"`
 	Name     string       `json:"name"`