diff --git a/kernel_lite/fs_posix/src/FsUnistdTest.cpp b/kernel_lite/fs_posix/src/FsUnistdTest.cpp
index 193bf6303a27c1227f95d145185afb2d289c4b5e..882340d5dc3dcc43ac62966dca5815f3eb8f2a71 100755
--- a/kernel_lite/fs_posix/src/FsUnistdTest.cpp
+++ b/kernel_lite/fs_posix/src/FsUnistdTest.cpp
@@ -349,7 +349,8 @@ HWTEST_F(FileSystemTest, testTruncateEinval, Function | MediumTest | Level3)
 HWTEST_F(FileSystemTest, testTruncateEacces, Function | MediumTest | Level3)
 {
     EXPECT_EQ(truncate("/", 10), -1);
-    EXPECT_EQ(errno, EACCES);
+    printf("errno = %d\n" ,errno);
+    EXPECT_EQ(errno, EISDIR);
 }
 #endif