[bt_6709]add init data in func GetDataNextChangeAKBSt

modules/parameters.c

@@ -1060,6 +1060,8 @@ void GetDataNextChangeAKBStr(char *str, uint8_t *len)
     uint16_t sys_year;
     uint32_t data_change = sSettings.UPS_Setting.set_data + (31536000*sSettings.UPS_Setting.life_time);
 
+    memset(&data, 0, sizeof(data));
+
     TM_RTC_GetDateTimeFromUnix(&data, data_change);
     sys_year = 2000 + data.year;