diff --git a/81/01.txt b/81/01.txt
index 6413872..ccea0a9 100644
--- a/81/01.txt
+++ b/81/01.txt
@@ -4,15 +4,11 @@
 		"body": "当向神，他们的力量大声欢呼，向雅各的神发声欢乐，唱起诗歌。"
 	},
 	{
-		"title": "他们唱起诗歌，弹起什么乐器？",
-		"body": "应打手鼓弹美琴与瑟。"
+		"title": "他们唱起诗歌，弹奏什么？",
+		"body": "打手鼓， 弹美琴与瑟。"
 	},
 	{
 		"title": "什么时候吹角？",
-		"body": "在月朔，月望与过节 吹角"
-	},
-	{
-		"title": "",
-		"body": ""
+		"body": "当在月朔并月望，他们过节的日期吹角。"
 	}
 ]
\ No newline at end of file
diff --git a/81/04.txt b/81/04.txt
index bef65d4..61f7bd6 100644
--- a/81/04.txt
+++ b/81/04.txt
@@ -2,5 +2,9 @@
 	{
 		"title": "谁为以色列定律例与典章？\n为什么雅各的神为以色列定律例典章？",
 		"body": "雅各的神定下律例。\n他与约瑟立下规条。"
+	},
+	{
+		"title": "",
+		"body": ""
 	}
 ]
\ No newline at end of file
diff --git a/manifest.json b/manifest.json
index 811e1f4..3167c63 100644
--- a/manifest.json
+++ b/manifest.json
@@ -714,6 +714,7 @@
 		"80-12",
 		"80-14",
 		"80-17",
-		"81-title"
+		"81-title",
+		"81-01"
 	]
 }
\ No newline at end of file