diff --git a/db/hotimedb.go b/db/hotimedb.go
index dc976f8..8b0f0da 100644
--- a/db/hotimedb.go
+++ b/db/hotimedb.go
@@ -13,7 +13,6 @@ import (
 	"reflect"
 	"sort"
 	"strings"
-	"time"
 )
 
 type HoTimeDB struct {
@@ -315,7 +314,7 @@ func (that *HoTimeDB) InitDb(err ...*Error) *Error {
 		e := that.SlaveDB.Ping()
 		that.LastErr.SetError(e)
 	}
-	that.DB.SetConnMaxLifetime(time.Second)
+	//that.DB.SetConnMaxLifetime(time.Second)
 	return that.LastErr
 }