diff --git a/interfaces/test/unittest/js/mod_fs/properties/mock/system_mock.cpp b/interfaces/test/unittest/js/mod_fs/properties/mock/system_mock.cpp
index 5878a93046576b034577b1d1431decb895cdb2dc..189edf92599772425b33d99a345c8eeb235cc9a7 100644
--- a/interfaces/test/unittest/js/mod_fs/properties/mock/system_mock.cpp
+++ b/interfaces/test/unittest/js/mod_fs/properties/mock/system_mock.cpp
@@ -23,7 +23,7 @@ int setxattr(const char *path, const char *name, const void *value, size_t size,
     return System::ins->setxattr(path, name, value, size, flags);
 }
 
-int getxattr(const char *path, const char *name, void *value, size_t size)
+ssize_t getxattr(const char *path, const char *name, void *value, size_t size)
 {
     return System::ins->getxattr(path, name, value, size);
 }
diff --git a/interfaces/test/unittest/js/mod_fs/properties/mock/system_mock.h b/interfaces/test/unittest/js/mod_fs/properties/mock/system_mock.h
index 3ff74be78027d70a93550e1fbb0a4d59a0331885..dad578b09d80aa9ee77b2760394b852e2b23eaf3 100644
--- a/interfaces/test/unittest/js/mod_fs/properties/mock/system_mock.h
+++ b/interfaces/test/unittest/js/mod_fs/properties/mock/system_mock.h
@@ -29,7 +29,7 @@ public:
 public:
     virtual ~System() = default;
     virtual int setxattr(const char *path, const char *name, const void *value, size_t size, int flags) = 0;
-    virtual int getxattr(const char *path, const char *name, void *value, size_t size) = 0;
+    virtual ssize_t getxattr(const char *path, const char *name, void *value, size_t size) = 0;
     virtual int fgetxattr(int filedes, const char *name, void *value, size_t size) = 0;
     virtual int flock(int fd, int operation) = 0;
 };
@@ -37,7 +37,7 @@ public:
 class SystemMock : public System {
 public:
     MOCK_METHOD5(setxattr, int(const char *path, const char *name, const void *value, size_t size, int flags));
-    MOCK_METHOD4(getxattr, int(const char *path, const char *name, void *value, size_t size));
+    MOCK_METHOD4(getxattr, ssize_t(const char *path, const char *name, void *value, size_t size));
     MOCK_METHOD4(fgetxattr, int(int filedes, const char *name, void *value, size_t size));
     MOCK_METHOD2(flock, int(int fd, int operation));
 };
diff --git a/interfaces/test/unittest/js/mod_fs/properties/xattr_core_mock_test.cpp b/interfaces/test/unittest/js/mod_fs/properties/xattr_core_mock_test.cpp
index ed8996f460bcfd01a6c92010f5884902ff1bddb6..e34ff3bdf009b927d1a853eaeae3f0174f452338 100644
--- a/interfaces/test/unittest/js/mod_fs/properties/xattr_core_mock_test.cpp
+++ b/interfaces/test/unittest/js/mod_fs/properties/xattr_core_mock_test.cpp
@@ -148,7 +148,7 @@ HWTEST_F(XattrCoreMockTest, XattrCoreMockTest_DoGetXattr_002, testing::ext::Test
     string path = tempFilePath.string();
     string key = "test_key";
 
-    EXPECT_CALL(*sys, getxattr(_, _, _, _)).WillOnce(Return(1)).WillOnce(Return(-1));
+    EXPECT_CALL(*sys, getxattr(_, _, _, _)).WillOnce(Return(1)).WillOnce(SetErrnoAndReturn(EIO, -1));
     auto ret = XattrCore::DoGetXattr(path, key);
     EXPECT_FALSE(ret.IsSuccess());