diff --git a/16/21.txt b/16/21.txt
index da2bff9..68c0bd6 100644
--- a/16/21.txt
+++ b/16/21.txt
@@ -1,6 +1,6 @@
 [
 	{
-		"title": "谁真正写下了这封书信？",
+		"title": "实际上谁代笔写下了这封书信？",
 		"body": "德丢真正写下了这封书信。"
 	}
 ]
\ No newline at end of file
diff --git a/manifest.json b/manifest.json
index e1bc69a..222c0c9 100644
--- a/manifest.json
+++ b/manifest.json
@@ -247,7 +247,6 @@
 		"16-12",
 		"16-15",
 		"16-17",
-		"16-19",
-		"16-21"
+		"16-19"
 	]
 }
\ No newline at end of file