diff --git a/include/ucore/time.h b/include/ucore/time.h
index 607bd44..e643f12 100644
--- a/include/ucore/time.h
+++ b/include/ucore/time.h
@@ -59,17 +59,17 @@ struct timespec *uc_tssub(struct timespec *dst, const struct timespec *a, const
  */
 int uc_tscmp(const struct timespec *a, const struct timespec *b);
 
-static inline uint64_t uc_tv2msec(const struct timeval *t)
+static inline uint64_t uc_tv2milisec(const struct timeval *t)
 {
     return t->tv_sec * 1000 + t->tv_usec / 1000;
 }
 
-static inline uint64_t uc_ts2msec(const struct timespec *t)
+static inline uint64_t uc_ts2milisec(const struct timespec *t)
 {
     return t->tv_sec * 1000 + t->tv_nsec / 10000000;
 }
 
-static inline uint64_t uc_ts2nsec(const struct timespec *t)
+static inline uint64_t uc_ts2nanosec(const struct timespec *t)
 {
     return t->tv_sec * 1000000000ULL + t->tv_nsec;
 }