fix:edit submit/chat API

internal/logic/chatrecords/submit_api_chat_logic.go

@@ -56,6 +56,9 @@ func (l *SubmitApiChatLogic) SubmitApiChat(req *types.ChatRecordsInfo, w http.Re
 	if req.BotId == nil || *req.BotId == 0 {
 		return
 	}
+	if req.Content == nil || *req.Content == "" {
+		return
+	}
 
 	if req.SessionId != nil && *req.SessionId > 0 {
 		sessionId = *req.SessionId