diff --git a/02/21.txt b/02/21.txt
index c1908ad..64ff731 100644
--- a/02/21.txt
+++ b/02/21.txt
@@ -1,6 +1,6 @@
 [
 	{
-		"title": "保罗",
-		"body": ""
+		"title": "保罗给那些依赖律法教导别人的犹太人什么挑战？",
+		"body": "如果他们按照律法教导别人，他们难道还不教导自己吗。"
 	}
 ]
\ No newline at end of file