bugfix for invalid message

server.go

@@ -68,10 +68,10 @@ func answerWechatPost(w http.ResponseWriter, r *http.Request) {
 	} else {
 		//put into user session based pipeline
 		AllInMessage <- in
+		//read instant response
+		reply = <-in.instantResponse
 	}
 
-	//read instant response
-	reply = <-in.instantResponse
 	in.destroy()
 	//uncomment the followin two lines to enable echo test
 	// state, _ := echoCommand(in.header.FromUserName, in)