diff --git a/logdb.go b/logdb.go
index 08bc66d..43c0cb7 100644
--- a/logdb.go
+++ b/logdb.go
@@ -48,7 +48,7 @@ func (logdb *LogDB) Ping() (result bool) {
 			log.Println(err, logdb.Hosts[logdb.hostid], " is unconnect ")
 			hostlen := len(logdb.Hosts)
 			for i := 0; i < hostlen; i++ {
-				db, err := sql.Open("mysql", fmt.Sprintf("%s:%s@tcp(%s:%s)/%s?timeout=1s&charset=%s", logdb.User, logdb.Password, logdb.Hosts[i], logdb.Port, logdb.DB, logdb.Charset))
+				db, err := sql.Open("mysql", fmt.Sprintf("%s:%s@tcp(%s:%s)/%s?timeout=15s&charset=%s", logdb.User, logdb.Password, logdb.Hosts[i], logdb.Port, logdb.DB, logdb.Charset))
 				if err != nil {
 					log.Println(err, logdb.Hosts[i], " is connect fail")
 					continue
@@ -79,7 +79,7 @@ func (logdb *LogDB) Connect() {
 	if logdb.hostid >= len(logdb.Hosts) {
 		logdb.hostid = 0
 	}
-	db, err := sql.Open("mysql", fmt.Sprintf("%s:%s@tcp(%s:%s)/%s?timeout=1s&charset=%s", logdb.User, logdb.Password, logdb.Hosts[logdb.hostid], logdb.Port, logdb.DB, logdb.Charset))
+	db, err := sql.Open("mysql", fmt.Sprintf("%s:%s@tcp(%s:%s)/%s?timeout=15s&charset=%s", logdb.User, logdb.Password, logdb.Hosts[logdb.hostid], logdb.Port, logdb.DB, logdb.Charset))
 	if err != nil {
 		panic(err)
 	}