diff --git a/app/app.c b/app/app.c
index ca07c0d..96c5278 100644
--- a/app/app.c
+++ b/app/app.c
@@ -632,6 +632,7 @@ static void CheckRadioInterrupts(void)
 						gDTMF_RX[gDTMF_RX_index]   = 0;
 						gDTMF_RX_timeout           = DTMF_RX_timeout_500ms;  // time till we delete it
 						gDTMF_RX_pending           = true;
+                        SYSTEM_DelayMs(3);//fix DTMF not reply@Yurisu
 
 						DTMF_HandleRequest();
 					}