diff --git a/docs/G139-239.txt b/docs/G139-239.txt
index 89db11e..2c07b3f 100644
--- a/docs/G139-239.txt
+++ b/docs/G139-239.txt
@@ -725,7 +725,8 @@
 		"type": "bool",
 		"cur": false,
 		"default": false,
-		"size": 4
+		"size": 4,
+		"depend_or": ["mode==24位彩色"]
 	},
 	"is-anti-skew": {
 		"cat": "base",
diff --git a/docs/G300.txt b/docs/G300.txt
index fbcc983..cf6f1ab 100644
--- a/docs/G300.txt
+++ b/docs/G300.txt
@@ -725,7 +725,8 @@
 		"type": "bool",
 		"cur": false,
 		"default": false,
-		"size": 4
+		"size": 4,
+		"depend_or": ["mode==24位彩色"]
 	},
 	"is-anti-skew": {
 		"cat": "base",