diff --git a/cmd/sync/main.go b/cmd/sync/main.go
index f2f41bc..9424aa8 100644
--- a/cmd/sync/main.go
+++ b/cmd/sync/main.go
@@ -27,7 +27,7 @@ func Run(lc *leetcode.Leetcode, isNotion bool) {
 		}
 
 		g, _ := errgroup.WithContext(context.TODO())
-		nThread := 5
+		nThread := 1
 
 		in := make(chan *notion.Record, 10)
 		go func() {
diff --git a/internal/notion/notion.go b/internal/notion/notion.go
index 3d1ef2b..f7fccbe 100644
--- a/internal/notion/notion.go
+++ b/internal/notion/notion.go
@@ -152,7 +152,7 @@ func ParseProperty(property notionapi.Property) string {
 }
 
 func NewNotion(token string) *Notion {
-	client := notionapi.NewClient(notionapi.Token(token))
+	client := notionapi.NewClient(notionapi.Token(token), notionapi.WithRetry(10))
 	return &Notion{
 		client: client,
 	}