diff --git a/socket/net/client/connector.go b/socket/net/client/connector.go
index b12dbd9..cff84b7 100644
--- a/socket/net/client/connector.go
+++ b/socket/net/client/connector.go
@@ -22,6 +22,8 @@ type Connectors struct {
 	Address      string   `json:"address,omitempty"`
 	LocalAddress net.Addr `json:"-"`
 
+	OnDisconnected func(connector client.Connector) `json:"-"`
+
 	stopChan chan struct{}
 	stopWg   sync.WaitGroup
 
@@ -102,6 +104,12 @@ RC_LOOP:
 
 		if 0 >= c.GetReconnectTryTime() {
 			c.reconnectedChan <- nil
+
+			onDisconnected := c.OnDisconnected
+			if nil != onDisconnected {
+				onDisconnected(c)
+			}
+
 			continue RC_LOOP
 		}
 
@@ -118,7 +126,12 @@ RC_LOOP:
 			}
 			time.Sleep(c.GetReconnectInterval())
 		}
+
 		logging.Logger().Debugf("%s reconnecting has been failed", c.logHeader())
+		onDisconnected := c.OnDisconnected
+		if nil != onDisconnected {
+			onDisconnected(c)
+		}
 	}
 }
 
diff --git a/socket/web/client/connector.go b/socket/web/client/connector.go
index 507c016..0345bae 100644
--- a/socket/web/client/connector.go
+++ b/socket/web/client/connector.go
@@ -52,6 +52,8 @@ type Connectors struct {
 	// If Proxy is nil or returns a nil *URL, no proxy is used.
 	Proxy func(*http.Request) (*url.URL, error) `json:"-"`
 
+	OnDisconnected func(connector client.Connector) `json:"-"`
+
 	serverURL *url.URL
 
 	stopChan chan struct{}
@@ -139,6 +141,12 @@ RC_LOOP:
 
 		if 0 >= c.GetReconnectTryTime() {
 			c.reconnectedChan <- nil
+
+			onDisconnected := c.OnDisconnected
+			if nil != onDisconnected {
+				onDisconnected(c)
+			}
+
 			continue RC_LOOP
 		}
 
@@ -161,6 +169,11 @@ RC_LOOP:
 			time.Sleep(c.GetReconnectInterval())
 		}
 		logging.Logger().Debugf("%s reconnecting has been failed", c.logHeader())
+
+		onDisconnected := c.OnDisconnected
+		if nil != onDisconnected {
+			onDisconnected(c)
+		}
 	}
 }