diff --git a/prototils.go b/prototils.go
index 4cbe45d..b0815aa 100644
--- a/prototils.go
+++ b/prototils.go
@@ -81,7 +81,7 @@ type WSProxyPackHead_S struct {
 }
 
 func (this *WspCliConn) IsValid() bool {
-	return this.Conn == nil || this.SocketHandle == 0
+	return this.Conn != nil && this.SocketHandle != 0
 }
 
 func (this *WspCliConn) Reset() {