diff --git a/build-tools/api_check_plugin/entry.js b/build-tools/api_check_plugin/entry.js
index 849416c805b4ec84730b5bd581f4f3902542a718..b81208d3c733d9b4eb336b04c7ee29120a793f27 100644
--- a/build-tools/api_check_plugin/entry.js
+++ b/build-tools/api_check_plugin/entry.js
@@ -14,6 +14,7 @@
  */
 
 const path = require("path");
+const fs = require("fs");
 const { writeResultFile } = require('./src/utils');
 
 function checkEntry(url) {