diff --git a/src/core/packet/msg/element.ts b/src/core/packet/msg/element.ts
index fc602734..5996e93c 100644
--- a/src/core/packet/msg/element.ts
+++ b/src/core/packet/msg/element.ts
@@ -351,7 +351,7 @@ export class PacketMsgPttElement extends IPacketMsgElement<SendPttElement> {
     }
 
     get valid(): boolean {
-        return !!this.msgInfo;
+        return false;
     }
 
     buildElement(): NapProtoEncodeStructType<typeof Elem>[] {