diff --git a/funcext/tvclib/uvclthreadworker.tsf b/funcext/tvclib/uvclthreadworker.tsf
index 5f73e0e..8d7078e 100644
--- a/funcext/tvclib/uvclthreadworker.tsf
+++ b/funcext/tvclib/uvclthreadworker.tsf
@@ -371,7 +371,7 @@ type t_worker_base = class()
     function post_to_(t,d); //·¢ËÍ
     begin
         if ifnil(d) then return 0;
-        r :=  setglobalcache(format_idx(t),d,now()+0.001) ;
+        r :=  setglobalcache(format_idx(t),d,now()+1) ;
         return 1;         
     end
     {**