diff --git a/Ubiquitous/XiZi_IIoT/lib/newlib/time_syscalls.c b/Ubiquitous/XiZi_IIoT/lib/newlib/time_syscalls.c
index 10f1efcb6..c98e01c57 100644
--- a/Ubiquitous/XiZi_IIoT/lib/newlib/time_syscalls.c
+++ b/Ubiquitous/XiZi_IIoT/lib/newlib/time_syscalls.c
@@ -16,7 +16,9 @@
 
 time_t time(time_t *t)
 {
-    NULL_PARAM_CHECK(t);
+    if (NULL == t) {
+        return 0;
+    }
     time_t current = 0;
 
 #ifdef RESOURCES_RTC
@@ -30,5 +32,4 @@ time_t time(time_t *t)
     *t = current;
 
     return current;
-}
-
+}
\ No newline at end of file