diff --git a/21/09.txt b/21/09.txt
index 27f939a..7841dea 100644
--- a/21/09.txt
+++ b/21/09.txt
@@ -9,6 +9,6 @@
 	},
 	{
 		"title": "被灵感动，天使就带我",
-		"body": "故事的sh'zh发生了变化，约翰被带到一座高山，在那里他可以看到耶路撒冷城。参照17:3相关翻译。(参:writing_background)"
+		"body": "故事的设置发生了变化，约翰被带到一座高山，在那里他可以看到耶路撒冷城。参照17:3相关翻译。(参:writing_background)"
 	}
 ]
\ No newline at end of file
diff --git a/21/11.txt b/21/11.txt
index bb21958..9336dc6 100644
--- a/21/11.txt
+++ b/21/11.txt
@@ -1,11 +1,11 @@
 [
 	{
 		"title": "城",
-		"body": ""
+		"body": "这指的是“从天而降的圣城 耶路撒冷”，是他在前一节中描述的城，而非地上的耶路撒冷。"
 	},
 	{
 		"title": "如同极贵的宝石，好像碧玉，明如水晶",
-		"body": ""
+		"body": "这两个短语的意思基本上是一样的。第二种通过命名一个特定的宝石，强调耶路撒冷的明亮，。(参:figs_parallelism)"
 	},
 	{
 		"title": "明如水晶",
diff --git a/manifest.json b/manifest.json
index 4a05611..43798d8 100644
--- a/manifest.json
+++ b/manifest.json
@@ -229,6 +229,7 @@
 		"21-03",
 		"21-05",
 		"21-07",
+		"21-09",
 		"22-title"
 	]
 }
\ No newline at end of file