diff --git a/jsy.lessconfig.json b/jsy.lessconfig.json
index 8e2974193..2ac35b60a 100644
--- a/jsy.lessconfig.json
+++ b/jsy.lessconfig.json
@@ -1,4 +1,5 @@
 {
+  "@background-color-primary": "#003D4D",
   "@color-primary": "#00acbe",
   "font-color-normal": "#0d1540",
   "font-color-light-gray": "#0d1540",
@@ -17,4 +18,4 @@
   "border-color-disabled": "#e8eaed",
   "border-color-success": "#28b668",
   "border-color-negative": "#e65251"
-}
\ No newline at end of file
+}