diff --git a/dbpool.go b/dbpool.go
index e8d71ac..e181248 100644
--- a/dbpool.go
+++ b/dbpool.go
@@ -429,6 +429,7 @@ func (this *dbPool) LoopLoadNew(
 			cond.L.Lock()
 			cond.Wait()
 			cond.L.Unlock()
+			lastIdx = 0
 		} else {
 			time.Sleep(time.Millisecond * 1000 * 3)
 		}