diff --git a/components/libc/compilers/common/time.c b/components/libc/compilers/common/time.c
index d7f239bea152aa557a9aa6ff94dfc50de64d8540..bdbb27bce429559ee739d83a5e52c5953956e214 100644
--- a/components/libc/compilers/common/time.c
+++ b/components/libc/compilers/common/time.c
@@ -213,10 +213,9 @@ RT_WEAK clock_t clock(void)
 /* TODO: timezone */
 int gettimeofday(struct timeval *tp, struct timezone *tz)
 {
-    time_t t = time(RT_NULL);
     if (tp != RT_NULL)
     {
-        tp->tv_sec = t;
+        tp->tv_sec = time(RT_NULL);
         tp->tv_usec = 0;
     }
     return 0;