diff --git a/src/W800_SDK_v1.00.10/platform/drivers/rtc/wm_rtc.c b/src/W800_SDK_v1.00.10/platform/drivers/rtc/wm_rtc.c
index cd4d1fc..6411e06 100644
--- a/src/W800_SDK_v1.00.10/platform/drivers/rtc/wm_rtc.c
+++ b/src/W800_SDK_v1.00.10/platform/drivers/rtc/wm_rtc.c
@@ -50,6 +50,7 @@ void tls_set_rtc(struct tm *tblock)
 
     ctrl2  = 0;
     ctrl2 |= tblock->tm_mon;
+    tblock->tm_year -= 100;
     ctrl2 |= tblock->tm_year << 8;
     tls_reg_write32(HR_PMU_RTC_CTRL2, ctrl2);
 
@@ -75,6 +76,7 @@ void tls_get_rtc(struct tm *tblock)
 	ctrl1 = tls_reg_read32(HR_PMU_RTC_CTRL1);
 	ctrl2 = tls_reg_read32(HR_PMU_RTC_CTRL2);
 	tblock->tm_year = ((int)((int)ctrl2 & 0x00007f00) >> 8);
+    tblock->tm_year += 100;
 	tblock->tm_mon  = (ctrl2 & 0x0000000f);
 	tblock->tm_mday = (ctrl1 & 0x1f000000) >> 24;
 	tblock->tm_hour = (ctrl1 & 0x001f0000) >> 16;