diff --git a/app/appearance/langs/en_US.json b/app/appearance/langs/en_US.json
index 5cf1a3070..81c0bf5fc 100644
--- a/app/appearance/langs/en_US.json
+++ b/app/appearance/langs/en_US.json
@@ -423,7 +423,7 @@
   "sortByRankDesc": "Relevance DESC",
   "sortByRankAsc": "Relevance ASC",
   "saveCriterion": "Save query criteria",
-  "useCriterion": "Search criteria will be saved for next query",
+  "useCriterion": "The next query will no longer use the current query criteria",
   "removeCriterion": "Remove query criteria",
   "group": "Group",
   "noGroupBy": "No grouping",
diff --git a/app/appearance/langs/es_ES.json b/app/appearance/langs/es_ES.json
index 57acb711a..f0a110387 100644
--- a/app/appearance/langs/es_ES.json
+++ b/app/appearance/langs/es_ES.json
@@ -423,7 +423,7 @@
   "sortByRankDesc": "Relevancia DESC",
   "sortByRankAsc": "Relevancia ASC",
   "saveCriterion": "Guardar criterios de consulta",
-  "useCriterion": "Los criterios de búsqueda se guardarán para la siguiente consulta",
+  "useCriterion": "Las condiciones de consulta actuales ya no se utilizarán para la siguiente consulta",
   "removeCriterion": "Eliminar criterios de consulta",
   "grupo": "Grupo",
   "noGroupBy": "Sin agrupar",
diff --git a/app/appearance/langs/fr_FR.json b/app/appearance/langs/fr_FR.json
index d403d1061..8090ef021 100644
--- a/app/appearance/langs/fr_FR.json
+++ b/app/appearance/langs/fr_FR.json
@@ -423,7 +423,7 @@
   "sortByRankDesc": "DESC de pertinence",
   "sortByRankAsc": "ASC de pertinence",
   "saveCriterion": "Enregistrer les critères de requête",
-  "useCriterion": "Les critères de recherche seront enregistrés pour la prochaine requête",
+  "useCriterion": "Les conditions de requête actuelles ne seront plus utilisées pour la prochaine requête",
   "removeCriterion": "Supprimer les critères de requête",
   "groupe": "Groupe",
   "noGroupBy": "Aucun regroupement",
diff --git a/app/appearance/langs/ja_JP.json b/app/appearance/langs/ja_JP.json
index 49f4edc9d..427b1c342 100644
--- a/app/appearance/langs/ja_JP.json
+++ b/app/appearance/langs/ja_JP.json
@@ -423,7 +423,7 @@
   "sortByRankDesc": "関連性 (降順)",
   "sortByRankAsc": "関連性 (昇順)",
   "saveCriterion": "検索条件を保存",
-  "useCriterion": "検索条件は次回の検索のために保存されます",
+  "useCriterion": "次回の検索条件を現在の検索条件で使用しない",
   "removeCriterion": "検索条件を削除",
   "group": "グループ ",
   "noGroupBy": "グループ化なし",
diff --git a/app/appearance/langs/zh_CHT.json b/app/appearance/langs/zh_CHT.json
index 1b99d3e5d..ee8079a21 100644
--- a/app/appearance/langs/zh_CHT.json
+++ b/app/appearance/langs/zh_CHT.json
@@ -423,7 +423,7 @@
   "sortByRankDesc": "按相關度降序",
   "sortByRankAsc": "按相關度升序",
   "saveCriterion": "保存查詢條件",
-  "useCriterion": "搜尋條件將保存到下次查詢中",
+  "useCriterion": "下次查詢不再使用目前查詢條件",
   "removeCriterion": "清空查詢條件",
   "group": "分組",
   "noGroupBy": "不分組",
diff --git a/app/appearance/langs/zh_CN.json b/app/appearance/langs/zh_CN.json
index bb5ebb151..f429b4f8a 100644
--- a/app/appearance/langs/zh_CN.json
+++ b/app/appearance/langs/zh_CN.json
@@ -423,7 +423,7 @@
   "sortByRankDesc": "按相关度降序",
   "sortByRankAsc": "按相关度升序",
   "saveCriterion": "保存查询条件",
-  "useCriterion": "搜索条件将保存到下一次查询中",
+  "useCriterion": "下次查询不再使用当前查询条件",
   "removeCriterion": "清空查询条件",
   "group": "分组",
   "noGroupBy": "不分组",
diff --git a/kernel/model/block.go b/kernel/model/block.go
index defd002ad..7fec9f204 100644
--- a/kernel/model/block.go
+++ b/kernel/model/block.go
@@ -636,9 +636,11 @@ func GetBlockKramdown(id string) (ret string) {
 }
 
 type ChildBlock struct {
-	ID      string `json:"id"`
-	Type    string `json:"type"`
-	SubType string `json:"subType,omitempty"`
+	ID       string `json:"id"`
+	Type     string `json:"type"`
+	SubType  string `json:"subType,omitempty"`
+	Content  string `json:"content,omitempty"`
+	Markdown string `json:"markdown,omitempty"`
 }
 
 func GetChildBlocks(id string) (ret []*ChildBlock) {
@@ -660,10 +662,13 @@ func GetChildBlocks(id string) (ret []*ChildBlock) {
 	if ast.NodeHeading == node.Type {
 		children := treenode.HeadingChildren(node)
 		for _, c := range children {
+			block := sql.BuildBlockFromNode(c, tree)
 			ret = append(ret, &ChildBlock{
-				ID:      c.ID,
-				Type:    treenode.TypeAbbr(c.Type.String()),
-				SubType: treenode.SubTypeAbbr(c),
+				ID:       c.ID,
+				Type:     treenode.TypeAbbr(c.Type.String()),
+				SubType:  treenode.SubTypeAbbr(c),
+				Content:  block.Content,
+				Markdown: block.Markdown,
 			})
 		}
 		return
@@ -678,10 +683,13 @@ func GetChildBlocks(id string) (ret []*ChildBlock) {
 			continue
 		}
 
+		block := sql.BuildBlockFromNode(c, tree)
 		ret = append(ret, &ChildBlock{
-			ID:      c.ID,
-			Type:    treenode.TypeAbbr(c.Type.String()),
-			SubType: treenode.SubTypeAbbr(c),
+			ID:       c.ID,
+			Type:     treenode.TypeAbbr(c.Type.String()),
+			SubType:  treenode.SubTypeAbbr(c),
+			Content:  block.Content,
+			Markdown: block.Markdown,
 		})
 	}
 	return
@@ -707,10 +715,13 @@ func GetTailChildBlocks(id string, n int) (ret []*ChildBlock) {
 		children := treenode.HeadingChildren(node)
 		for i := len(children) - 1; 0 <= i; i-- {
 			c := children[i]
+			block := sql.BuildBlockFromNode(c, tree)
 			ret = append(ret, &ChildBlock{
-				ID:      c.ID,
-				Type:    treenode.TypeAbbr(c.Type.String()),
-				SubType: treenode.SubTypeAbbr(c),
+				ID:       c.ID,
+				Type:     treenode.TypeAbbr(c.Type.String()),
+				SubType:  treenode.SubTypeAbbr(c),
+				Content:  block.Content,
+				Markdown: block.Markdown,
 			})
 			if n == len(ret) {
 				return
@@ -728,10 +739,13 @@ func GetTailChildBlocks(id string, n int) (ret []*ChildBlock) {
 			continue
 		}
 
+		block := sql.BuildBlockFromNode(c, tree)
 		ret = append(ret, &ChildBlock{
-			ID:      c.ID,
-			Type:    treenode.TypeAbbr(c.Type.String()),
-			SubType: treenode.SubTypeAbbr(c),
+			ID:       c.ID,
+			Type:     treenode.TypeAbbr(c.Type.String()),
+			SubType:  treenode.SubTypeAbbr(c),
+			Content:  block.Content,
+			Markdown: block.Markdown,
 		})
 
 		if n == len(ret) {