diff --git a/types/better-scroll/tsconfig.json b/types/better-scroll/tsconfig.json
index 2751a06e4a..774ffc076f 100644
--- a/types/better-scroll/tsconfig.json
+++ b/types/better-scroll/tsconfig.json
@@ -7,7 +7,7 @@
       ],
       "noImplicitAny": true,
       "noImplicitThis": true,
-      "strictNullChecks": false,
+      "strictNullChecks": true,
       "strictFunctionTypes": true,
       "baseUrl": "../",
       "typeRoots": [