diff --git a/security_lite/permission_posix/capability/src/ActsCapabilityTest.cpp b/security_lite/permission_posix/capability/src/ActsCapabilityTest.cpp
index c87ba98f40df04fc938e445bac69781b59002f28..e631d0ec1052b19e092c95a518c531bb11b99570 100755
--- a/security_lite/permission_posix/capability/src/ActsCapabilityTest.cpp
+++ b/security_lite/permission_posix/capability/src/ActsCapabilityTest.cpp
@@ -44,6 +44,7 @@ static int TestDacOverrideSuccess()
         LOG("ErrInfo: Failed to chdir 'TOP_DIR/CAPDIR0/CAPDIR0_CAPDIR1' with CAP_DAC_OVERRIDE");
         return FALSE;
     }
+    chdir(TOP_DIR "/" CAPDIR0);
     // Delete the directory 'mkdir' in the directory 'TOP_DIR/CAPDIR0'
     ret = rmdir(TOP_DIR "/" CAPDIR0 "/" CAPDIR0_CAPDIR1);
     if (ret != 0) {
diff --git a/security_lite/permission_posix/dac/src/ActsSystemDevDacTest.cpp b/security_lite/permission_posix/dac/src/ActsSystemDevDacTest.cpp
index 12c4d0fbee4fdf49c9759bf0b9e6ac8c854e2eb6..1d652be08f407b14ee69b2900dba1b5568a5b15b 100755
--- a/security_lite/permission_posix/dac/src/ActsSystemDevDacTest.cpp
+++ b/security_lite/permission_posix/dac/src/ActsSystemDevDacTest.cpp
@@ -25,7 +25,7 @@
 using namespace std;
 using namespace testing::ext;
 
-#if defined(LITE_FS_JFFS2) || defined(LITE_FS_VFAT)
+#if defined(LITE_FS_JFFS2)
 static void CreateDevDir()
 {
     int ret;
@@ -616,7 +616,7 @@ HWTEST_F(DacTestSuite, DACTest0420, Function | MediumTest | Level2)
         SetUidGid(UID0, GID555);
         // Step 3: Invoke the interface to operate the file system
         ret = chdir("/storage/" DACDIR0 "/" DACDIR0_DACDIR0);
-        if (ret != FALSE) {
+        if (ret != 0) {
             LOG("ErrInfo: VFS error with DAC or Capability");
             exitCode = 1;
         }
@@ -1381,7 +1381,7 @@ HWTEST_F(DacTestSuite, DACTest0600, Function | MediumTest | Level2)
         SetUidGid(UID555, GID555);
         // Step 3: Invoke the interface to operate the file system
         ret = mkdir("/storage/" DACDIR0 "/" DACDIR0_DACDIR0 "/" DACDIR0_DACDIR0_DACDIR0, NORWX);
-        if (ret != FALSE) {
+        if (ret != 0) {
             LOG("ErrInfo: VFS error with DAC or Capability");
             exitCode = 1;
         }
@@ -2051,4 +2051,4 @@ HWTEST_F(DacTestSuite, DACTest0750, Function | MediumTest | Level2)
         EXPECT_EQ(WEXITSTATUS(status), 0) << "ErrInfo: The exitCode is wrong, please query logs, child_pid = " << pid;
     }
 }
-#endif
\ No newline at end of file
+#endif