diff --git a/adapter/uhdf2/test/unittest/platform/BUILD.gn b/adapter/uhdf2/test/unittest/platform/BUILD.gn
index 0be9109a9406dbcd0cf0e3b83c79688fd9a5aaf8..ceb863f4a9590c7429dccee66d6dd03ff76f2c26 100644
--- a/adapter/uhdf2/test/unittest/platform/BUILD.gn
+++ b/adapter/uhdf2/test/unittest/platform/BUILD.gn
@@ -33,14 +33,12 @@ ohos_unittest("hdf_adapter_uhdf_test_platform") {
   defines = [ "__USER__" ]
   sources = [
     "$hdf_framework_path/support/platform/test/unittest/common/hdf_adc_test.cpp",
-    "$hdf_framework_path/support/platform/test/unittest/common/hdf_clock_test.cpp",
     "$hdf_framework_path/support/platform/test/unittest/common/hdf_gpio_test.cpp",
     "$hdf_framework_path/support/platform/test/unittest/common/hdf_i2c_test.cpp",
     "$hdf_framework_path/support/platform/test/unittest/common/hdf_pwm_test.cpp",
     "$hdf_framework_path/support/platform/test/unittest/common/hdf_rtc_test.cpp",
     "$hdf_framework_path/support/platform/test/unittest/common/hdf_uart_test.cpp",
     "$hdf_framework_path/test/unittest/platform/common/adc_test.c",
-    "$hdf_framework_path/test/unittest/platform/common/clock_test.c",
     "$hdf_framework_path/test/unittest/platform/common/gpio_test.c",
     "$hdf_framework_path/test/unittest/platform/common/i2c_test.c",
     "$hdf_framework_path/test/unittest/platform/common/pwm_test.c",
diff --git a/framework/support/posix/src/osal_time.c b/framework/support/posix/src/osal_time.c
index 34a1b478158290e4ebe8bf2a3ac899533970ca14..fd00e9d4dcf8f5aba0c1bede93c68e0fddeb149f 100644
--- a/framework/support/posix/src/osal_time.c
+++ b/framework/support/posix/src/osal_time.c
@@ -52,7 +52,7 @@ int32_t OsalDiffTime(const OsalTimespec *start, const OsalTimespec *end, OsalTim
         sec = 1;
     }
 
-    if ((start->sec + sec > UINT64_MAX) || (usec + end->usec > UINT64_MAX) ||
+    if ((start->sec > UINT64_MAX - sec) || (end->usec > UINT64_MAX - usec) ||
         (end->sec < start->sec + sec) || (end->usec + usec < start->usec)) {
         HDF_LOGE("%s end time invalid", __func__);
         return HDF_ERR_INVALID_PARAM;