diff --git a/core/core-frontend/src/assets/font/index.css b/core/core-frontend/src/assets/font/index.css
index 762b8d7ad1..6faa170457 100644
--- a/core/core-frontend/src/assets/font/index.css
+++ b/core/core-frontend/src/assets/font/index.css
@@ -1,6 +1,6 @@
 @font-face {
   font-family: '阿里巴巴普惠体 3.0 55 Regular L3';
-  src: url('AlibabaPuHuiTi.otf') format('truetype');
+  src: url('AlibabaPuHuiTi.otf') format('opentype');
   font-weight: normal;
   font-style: normal;
 }