diff --git a/src/data/catalogs.json b/src/data/catalogs.json
index 79e1d8cc..0097b59d 100644
--- a/src/data/catalogs.json
+++ b/src/data/catalogs.json
@@ -192,7 +192,7 @@
     "code": "zh-TW",
     "nativeName": "繁體中文",
     "name": "Traditional Chinese",
-    "completion": 31,
+    "completion": 30,
     "listed": false
   }
 ]
\ No newline at end of file