issues in sending messages in ApiGatewayManagementApi in the amazon websocket api gateway

the message was sending fine, but the previous messages was sending, eventhough i checked the logs on lambda, it shows the current message sending, but in the realtime previous message which we sent before was sending. for every message the before message was sending.

We developed the api gateway websocket API, using this we sending message for the connections, but we facing the issue here, there is only previous messages sending

Please help me to resolve this one