diff --git a/dbpool.go b/dbpool.go
index d30bba5..c9a2fea 100644
--- a/dbpool.go
+++ b/dbpool.go
@@ -163,6 +163,7 @@ func (this *dbPool) LoopLoad(
 						if idx > lastMaxIdx {
 							lastMaxIdx = idx
 							hasNewDdata = true
+							GetSysLog().Info("%s hasNewData max_idx:%d", watchTable, lastMaxIdx)
 						}
 					}
 				})
@@ -174,6 +175,21 @@ func (this *dbPool) LoopLoad(
 		}
 	}()
 
+	go func () {
+		var waitSecond int64 = 10
+		for {
+			select {
+			case waitSecond = <-chTimer:
+				if waitSecond < 10 {
+					waitSecond = 10
+				}
+			case <-time.After(time.Second * time.Duration(waitSecond)):
+				waitSecond = 10
+				newDataCond.Broadcast()
+			}
+		}
+	}()
+
 	{
 		var lastIdx int64
 		for true {