diff --git a/sysmodule/mongomodule/mongomodule.go b/sysmodule/mongomodule/mongomodule.go
index 44d9b8f..ebbb025 100644
--- a/sysmodule/mongomodule/mongomodule.go
+++ b/sysmodule/mongomodule/mongomodule.go
@@ -28,7 +28,7 @@ type MongoModule struct {
 
 func (slf *MongoModule) Init(url string,sessionNum uint32,dialTimeout time.Duration, timeout time.Duration) error {
 	var err error
-	slf.dailContext, err = dialWithTimeout(url, sessionNum, dialTimeout*time.Second, timeout*time.Minute)
+	slf.dailContext, err = dialWithTimeout(url, sessionNum, dialTimeout*time.Second, timeout*time.Second)
 
 	return err
 }
@@ -48,7 +48,7 @@ func dialWithTimeout(url string, sessionNum uint32, dialTimeout time.Duration, t
 	if err != nil {
 		return nil, err
 	}
-	s.SetMode(mgo.Monotonic,true)
+	s.SetMode(mgo.Strong,true)
 	s.SetSyncTimeout(timeout)
 	s.SetSocketTimeout(timeout)