diff --git a/kernel/model/file.go b/kernel/model/file.go
index 8f36679ec..aa90e7c40 100644
--- a/kernel/model/file.go
+++ b/kernel/model/file.go
@@ -431,6 +431,8 @@ func BlocksWordCount(ids []string) (ret *util.BlockStatResult) {
 }
 
 func StatTree(id string) (ret *util.BlockStatResult) {
+	WaitForWritingFiles()
+
 	tree, _ := loadTreeByBlockID(id)
 	if nil == tree {
 		return