diff --git a/packages/mars/.nycrc b/packages/mars/.nycrc
index df01f19..3dd9307 100644
--- a/packages/mars/.nycrc
+++ b/packages/mars/.nycrc
@@ -10,6 +10,6 @@
   "check-coverage": true,
   "branches": 63,
   "lines": 69,
-  "functions": 53,
+  "functions": 51,
   "statements": 69
 }