diff --git a/pages/API/get-file-system-manager/get-file-system-manager.test.js b/pages/API/get-file-system-manager/get-file-system-manager.test.js
index 9f7802f468f6d7585dfc863ee8023e12a192a925..47385fd50f4d64feb7ecdc9cafd248bbb47a4a7f 100644
--- a/pages/API/get-file-system-manager/get-file-system-manager.test.js
+++ b/pages/API/get-file-system-manager/get-file-system-manager.test.js
@@ -332,7 +332,7 @@ describe('ExtApi-FileManagerTest', () => {
     let readFileRet = await getData('readFileRet')
     expect(readFileRet.length).toEqual(5716)
     let endStr = readFileRet.substring(readFileRet.length - 10)
-    expect(endStr).toEqual("///////w==")
+    expect(endStr).toEqual("AA///AA/8=")
 
     await page.setData({
       basePath: globalTempPath,