diff --git a/webservice.go b/webservice.go
index 6a9955e..d58b8f6 100644
--- a/webservice.go
+++ b/webservice.go
@@ -28,6 +28,8 @@
 	ErrBadCAPEM = errors.New("不正确的PEM文件")
 )
 
+var connectionTimeout = time.Duration(500) * time.Millisecond
+
 // WebSession web session object
 type WebSession struct {
 	// AppId app id
@@ -130,8 +132,9 @@
 	}
 	fullURL = fullURL + "?" + vl.Encode()
 	return goreq.Request{Uri: fullURL,
-		Method:  "GET",
-		Timeout: time.Duration(timeout) * time.Second}.Do()
+		Method:   "GET",
+		Insecure: !w.sslVerify,
+		Timeout:  time.Duration(timeout) * time.Second}.Do()
 }
 
 // GetTimestamp get time stamp format 20160103133455
@@ -202,6 +205,7 @@
 		Method:      "POST",
 		ContentType: "application/json",
 		Body:        data,
+		Insecure:    !w.sslVerify,
 		Timeout:     time.Duration(3) * time.Second}.Do()
 	if err != nil || r.StatusCode != 200 {
 		log.Errorf("Status=%v, err=%v", r, err)
@@ -365,6 +369,11 @@
 	return w.CallService2(path, params, timeout, signField...)
 }
 
+// SetConnectionTimeout set global connection timeout
+func SetConnectionTimeout(ms int) {
+	connectionTimeout = time.Duration(ms) * time.Millisecond
+}
+
 // CallService2 call epay service
 func (w *WebSession) CallService2(path string, params map[string]interface{}, timeout int,
 	signField ...string) (response *ServiceResponse, err error) {
@@ -392,6 +401,7 @@
 
 	fullURL := w.BaseURL + path
 	log.Debugf("CallService: %v\n", fullURL)
+	goreq.SetConnectTimeout(connectionTimeout)
 	var r *goreq.Response
 	r, err = goreq.Request{
 		Uri:         fullURL,