diff --git a/docs/G439.txt b/docs/G439.txt
index 0faaa0b..024ef2a 100644
--- a/docs/G439.txt
+++ b/docs/G439.txt
@@ -1,4 +1,4 @@
-\{
+{
 	"global": {
 		"device_type": "G439",
 		"option_count": 69
@@ -273,13 +273,13 @@
 		"title": "扫描区域左侧（mm）",
 		"desc": "自定义扫描区域左上角x坐标",
 		"type": "float",
-		"cur": 0.000000,
-		"default": 0.000000,
+		"cur": 0,
+		"default": 0,
 		"size": 4,
 		"range": {
-			"min": 0.000000,
-			"max": 210.000000,
-			"step": 21.000000
+			"min": 0,
+			"max": 210,
+			"step": 21
 		},
 		"depend_and": ["is-custom-area==true"]
 	},
@@ -290,13 +290,13 @@
 		"title": "扫描区域右侧（mm）",
 		"desc": "自定义扫描区域右下角x坐标",
 		"type": "float",
-		"cur": 210.000000,
-		"default": 210.000000,
+		"cur": 210,
+		"default": 210,
 		"size": 4,
 		"range": {
-			"min": 0.000000,
-			"max": 210.000000,
-			"step": 21.000000
+			"min": 0,
+			"max": 210,
+			"step": 21
 		},
 		"depend_and": ["is-custom-area==true"]
 	},
@@ -307,13 +307,13 @@
 		"title": "扫描区域上侧（mm）",
 		"desc": "自定义扫描区域左上角y坐标",
 		"type": "float",
-		"cur": 0.000000,
-		"default": 0.000000,
+		"cur": 0,
+		"default": 0,
 		"size": 4,
 		"range": {
-			"min": 0.000000,
-			"max": 297.000000,
-			"step": 29.700000
+			"min": 0,
+			"max": 297,
+			"step": 29.7
 		},
 		"depend_and": ["is-custom-area==true"]
 	},
@@ -324,13 +324,13 @@
 		"title": "扫描区域下侧（mm）",
 		"desc": "自定义扫描区域右下角y坐标",
 		"type": "float",
-		"cur": 297.000000,
-		"default": 297.000000,
+		"cur": 297,
+		"default": 297,
 		"size": 4,
 		"range": {
-			"min": 0.000000,
-			"max": 297.000000,
-			"step": 29.700000
+			"min": 0,
+			"max": 297,
+			"step": 29.7
 		},
 		"depend_and": ["is-custom-area==true"]
 	},
@@ -488,13 +488,13 @@
 		"title": "伽马值",
 		"desc": "调整图像伽玛值",
 		"type": "float",
-		"cur": 1.000000,
-		"default": 1.000000,
+		"cur": 1,
+		"default": 1,
 		"size": 4,
 		"range": {
-			"min": 0.010000,
-			"max": 5.000000,
-			"step": 0.499000
+			"min": 0.01,
+			"max": 5,
+			"step": 0.499
 		},
 		"depend_and": ["is-custom-gamma==false"]
 	},
@@ -670,13 +670,13 @@
 		"title": "        左侧穿孔搜索范围占幅面比例",
 		"desc": "穿孔搜索范围占幅面比例",
 		"type": "float",
-		"cur": 0.100000,
-		"default": 0.100000,
+		"cur": 0.1,
+		"default": 0.1,
 		"size": 4,
 		"range": {
-			"min": 0.000000,
-			"max": 0.500000,
-			"step": 0.050000
+			"min": 0,
+			"max": 0.5,
+			"step": 0.05
 		},
 		"depend_and": ["is-rid-hole-l==true"]
 	},
@@ -698,13 +698,13 @@
 		"title": "        右侧穿孔搜索范围占幅面比例",
 		"desc": "穿孔搜索范围占幅面比例",
 		"type": "float",
-		"cur": 0.100000,
-		"default": 0.100000,
+		"cur": 0.1,
+		"default": 0.1,
 		"size": 4,
 		"range": {
-			"min": 0.000000,
-			"max": 0.500000,
-			"step": 0.050000
+			"min": 0,
+			"max": 0.5,
+			"step": 0.05
 		},
 		"depend_and": ["is-rid-hole-r==true"]
 	},
@@ -726,13 +726,13 @@
 		"title": "        上侧穿孔搜索范围占幅面比例",
 		"desc": "穿孔搜索范围占幅面比例",
 		"type": "float",
-		"cur": 0.100000,
-		"default": 0.100000,
+		"cur": 0.1,
+		"default": 0.1,
 		"size": 4,
 		"range": {
-			"min": 0.000000,
-			"max": 0.500000,
-			"step": 0.050000
+			"min": 0,
+			"max": 0.5,
+			"step": 0.05
 		},
 		"depend_and": ["is-rid-hole-t==true"]
 	},
@@ -754,13 +754,13 @@
 		"title": "        下侧穿孔搜索范围占幅面比例",
 		"desc": "穿孔搜索范围占幅面比例",
 		"type": "float",
-		"cur": 0.100000,
-		"default": 0.100000,
+		"cur": 0.1,
+		"default": 0.1,
 		"size": 4,
 		"range": {
-			"min": 0.000000,
-			"max": 0.500000,
-			"step": 0.050000
+			"min": 0,
+			"max": 0.5,
+			"step": 0.05
 		},
 		"depend_and": ["is-rid-hole-b==true"]
 	},