diff --git a/kernel/model/file.go b/kernel/model/file.go
index d5d637a15..dae860526 100644
--- a/kernel/model/file.go
+++ b/kernel/model/file.go
@@ -1777,3 +1777,48 @@ func (box *Box) removeSort(ids []string) {
 		return
 	}
 }
+
+func (box *Box) addMinSort(parentPath, id string) {
+	docs, _, err := ListDocTree(box.ID, parentPath, util.SortModeUnassigned, false, false, 1)
+	if nil != err {
+		logging.LogErrorf("list doc tree failed: %s", err)
+		return
+	}
+
+	sortVal := 0
+	if 0 < len(docs) {
+		sortVal = docs[0].Sort - 1
+	}
+
+	confDir := filepath.Join(util.DataDir, box.ID, ".siyuan")
+	if err = os.MkdirAll(confDir, 0755); nil != err {
+		logging.LogErrorf("create conf dir failed: %s", err)
+		return
+	}
+	confPath := filepath.Join(confDir, "sort.json")
+	fullSortIDs := map[string]int{}
+	var data []byte
+	if filelock.IsExist(confPath) {
+		data, err = filelock.ReadFile(confPath)
+		if nil != err {
+			logging.LogErrorf("read sort conf failed: %s", err)
+			return
+		}
+
+		if err = gulu.JSON.UnmarshalJSON(data, &fullSortIDs); nil != err {
+			logging.LogErrorf("unmarshal sort conf failed: %s", err)
+		}
+	}
+
+	fullSortIDs[id] = sortVal
+
+	data, err = gulu.JSON.MarshalJSON(fullSortIDs)
+	if nil != err {
+		logging.LogErrorf("marshal sort conf failed: %s", err)
+		return
+	}
+	if err = filelock.WriteFile(confPath, data); nil != err {
+		logging.LogErrorf("write sort conf failed: %s", err)
+		return
+	}
+}
diff --git a/kernel/model/heading.go b/kernel/model/heading.go
index 38a7528ca..2d11fdc71 100644
--- a/kernel/model/heading.go
+++ b/kernel/model/heading.go
@@ -362,6 +362,7 @@ func Heading2Doc(srcHeadingID, targetBoxID, targetPath string) (srcRootBlockID,
 	newTree.Box, newTree.Path = targetBoxID, newTargetPath
 	newTree.Root.SetIALAttr("updated", util.CurrentTimeSecondsStr())
 	newTree.Root.Spec = "1"
+	box.addMinSort(path.Dir(newTargetPath), newTree.ID)
 	if err = indexWriteJSONQueue(newTree); nil != err {
 		return "", "", err
 	}
diff --git a/kernel/model/listitem.go b/kernel/model/listitem.go
index 26ad92442..ef45ccd6e 100644
--- a/kernel/model/listitem.go
+++ b/kernel/model/listitem.go
@@ -104,6 +104,7 @@ func ListItem2Doc(srcListItemID, targetBoxID, targetPath string) (srcRootBlockID
 	newTree.Box, newTree.Path = targetBoxID, newTargetPath
 	newTree.Root.SetIALAttr("updated", util.CurrentTimeSecondsStr())
 	newTree.Root.Spec = "1"
+	box.addMinSort(path.Dir(newTargetPath), newTree.ID)
 	if err = indexWriteJSONQueue(newTree); nil != err {
 		return "", "", err
 	}