diff --git a/collected-symbol-files.md b/collected-symbol-files.md
index 55063ee..675332d 100644
--- a/collected-symbol-files.md
+++ b/collected-symbol-files.md
@@ -8,7 +8,7 @@ You can download the symbols you need here:
 
 [iOS system symbol files(10.3.2-12.1.1)](https://drive.google.com/drive/folders/0B9ItUz-PHtRLb3hidV9kUGJUMkE?usp=sharing)
 
-[iOS system symbol files(12.1.2-12.3)](https://drive.google.com/drive/folders/1beYMn69Y36zAlB2E1htmejYYYwpZclJ6?usp=sharing)
+[iOS system symbol files(12.1.2-12.3.1)](https://drive.google.com/drive/folders/1beYMn69Y36zAlB2E1htmejYYYwpZclJ6?usp=sharing)
 
 If you're in China, check here: