diff --git a/core/core-frontend/src/style/index.less b/core/core-frontend/src/style/index.less
index 8c128705e1..90d30c4a0c 100644
--- a/core/core-frontend/src/style/index.less
+++ b/core/core-frontend/src/style/index.less
@@ -17,6 +17,7 @@
 
 body {
   background: #ffffff;
+  color: rgb(31, 35, 41);
 }
 
 * {