diff --git a/docs/G139-239.txt b/docs/G139-239.txt
index 5a03f59..fb35743 100644
--- a/docs/G139-239.txt
+++ b/docs/G139-239.txt
@@ -227,19 +227,16 @@
 		},
 		"depend_or": ["19==跳过空白页（通用）", "19==跳过空白页（发票纸）"]
 	},
-	"21": {
+	"21":  {
 		"category": "base",
-		"name": "cfg-21",
+		"name": "cfg-20",
 		"title": "分辨率",
 		"desc": "扫描仪分辨率",
 		"type": "int",
 		"cur": 200,
 		"default": 200,
 		"size": 4,
-		"range": {
-			"min": 100,
-			"max": 300
-		}
+		"range": [100, 150, 200, 240, 300]
 	},
 	"22": {
 		"category": "base",
diff --git a/docs/G300.txt b/docs/G300.txt
index 3d5b604..8403649 100644
--- a/docs/G300.txt
+++ b/docs/G300.txt
@@ -241,10 +241,7 @@
 		"cur": 200,
 		"default": 200,
 		"size": 4,
-		"range": {
-			"min": 100,
-			"max": 300
-		}
+		"range": [100, 150, 200, 240, 300]
 	},
 	"21": {
 		"category": "base",
diff --git a/docs/G400.txt b/docs/G400.txt
index fcd56c7..4a66a9e 100644
--- a/docs/G400.txt
+++ b/docs/G400.txt
@@ -241,10 +241,7 @@
 		"cur": 200,
 		"default": 200,
 		"size": 4,
-		"range": {
-			"min": 100,
-			"max": 300
-		}
+		"range": [100, 150, 200, 240, 300]
 	},
 	"21": {
 		"category": "base",