diff --git a/bridge/bridge.go b/bridge/bridge.go
index 50a3169..3914a8d 100755
--- a/bridge/bridge.go
+++ b/bridge/bridge.go
@@ -525,7 +525,7 @@ func (s *Bridge) linkCleanSession() {
 				}
 				v.Unlock()
 			}
-			s.clientLock.RUnlock()
+			s.clientLock.Unlock()
 		}
 	}
 }