diff --git a/i18n/cdo.json b/i18n/cdo.json
index ae0778f..d105322 100644
--- a/i18n/cdo.json
+++ b/i18n/cdo.json
@@ -1,10 +1,11 @@
 {
 	"@metadata": {
 		"authors": [
-			"Yejianfei"
+			"Yejianfei",
+			"唐吉訶德的侍從"
 		]
 	},
-	"prefs-math": "數學",
-	"math_unknown_error": "𣍐八其賺",
-	"math_unknown_function": "𣍐八其函數「$1」"
+	"math_unknown_error": "𣍐曉其綻",
+	"math_unknown_function": "𣍐八其函數「$1」",
+	"prefs-math": "數學"
 }