diff --git a/Application/Tasks/CanDataTask.c b/Application/Tasks/CanDataTask.c
index aa91836..18b0b33 100644
--- a/Application/Tasks/CanDataTask.c
+++ b/Application/Tasks/CanDataTask.c
@@ -131,7 +131,7 @@ void DataClbk_cls_device_ResponseList(void* msg, uint32_t length) {
 cls_device_ResponseList list;
 extern uint8_t gCLS_DEVICE_ADDRESS;
 void DataClbk_cls_device_RequestList(void* msg, uint32_t length) {
-
+    memset(&list,0,sizeof(list));
     // add yourself
     list.devices[list.devices_count].available = true;
     list.devices[list.devices_count].canid = GENERATE_CLS_ADDRESS(CLS_CODE_STATUS, gCLS_DEVICE_ADDRESS, CLS_CH_STA_HEATBEAT);