diff --git a/kernel/api/block.go b/kernel/api/block.go
index 032ed30c7..9a0967f13 100644
--- a/kernel/api/block.go
+++ b/kernel/api/block.go
@@ -104,6 +104,44 @@ func getRecentUpdatedBlocks(c *gin.Context) {
 	ret.Data = blocks
 }
 
+func getContentWordCount(c *gin.Context) {
+	ret := gulu.Ret.NewResult()
+	defer c.JSON(http.StatusOK, ret)
+
+	arg, ok := util.JsonArg(c, ret)
+	if !ok {
+		return
+	}
+
+	content := arg["content"].(string)
+	runeCount, wordCount := model.ContentWordCount(content)
+	ret.Data = map[string]interface{}{
+		"runeCount": runeCount,
+		"wordCount": wordCount,
+	}
+}
+
+func getBlocksWordCount(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))
+	}
+	runeCount, wordCount := model.BlocksWordCount(ids)
+	ret.Data = map[string]interface{}{
+		"runeCount": runeCount,
+		"wordCount": wordCount,
+	}
+}
+
 func getBlockWordCount(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 43d925001..b7c967c03 100644
--- a/kernel/api/router.go
+++ b/kernel/api/router.go
@@ -131,6 +131,8 @@ func ServeAPI(ginServer *gin.Engine) {
 	ginServer.Handle("POST", "/api/block/getBlockDefIDsByRefText", model.CheckAuth, getBlockDefIDsByRefText)
 	ginServer.Handle("POST", "/api/block/getRefText", model.CheckAuth, getRefText)
 	ginServer.Handle("POST", "/api/block/getBlockWordCount", model.CheckAuth, getBlockWordCount)
+	ginServer.Handle("POST", "/api/block/getBlocksWordCount", model.CheckAuth, getBlocksWordCount)
+	ginServer.Handle("POST", "/api/block/getContentWordCount", model.CheckAuth, getContentWordCount)
 	ginServer.Handle("POST", "/api/block/getRecentUpdatedBlocks", model.CheckAuth, getRecentUpdatedBlocks)
 	ginServer.Handle("POST", "/api/block/getDocInfo", model.CheckAuth, getDocInfo)
 	ginServer.Handle("POST", "/api/block/checkBlockExist", model.CheckAuth, checkBlockExist)
diff --git a/kernel/model/file.go b/kernel/model/file.go
index c9fe820ab..3c8432457 100644
--- a/kernel/model/file.go
+++ b/kernel/model/file.go
@@ -364,6 +364,28 @@ func ListDocTree(boxID, path string, sortMode int) (ret []*File, totals int, err
 	return
 }
 
+func ContentWordCount(content string) (runeCount, wordCount int) {
+	luteEngine := NewLute()
+	tree := luteEngine.BlockDOM2Tree(content)
+	runeCount, wordCount = tree.Root.ContentLen()
+	return
+}
+
+func BlocksWordCount(ids []string) (runeCount, wordCount int) {
+	for _, id := range ids {
+		tree, _ := loadTreeByBlockID(id)
+		if nil == tree {
+			return
+		}
+
+		node := treenode.GetNodeInTree(tree, id)
+		blockRuneCount, blockWordCount := node.ContentLen()
+		runeCount += blockRuneCount
+		wordCount += blockWordCount
+	}
+	return
+}
+
 func BlockWordCount(id string) (blockRuneCount, blockWordCount, rootBlockRuneCount, rootBlockWordCount int) {
 	tree, _ := loadTreeByBlockID(id)
 	if nil == tree {