(fix draw) txt add null pointer judgment to avoid segment fault
@@ -122,7 +122,11 @@ LV_ATTRIBUTE_FAST_MEM void lv_draw_label(const lv_area_t * coords, const lv_area
int32_t w;
/*No need to waste processor time if string is empty*/
+ if (txt != NULL) {
if(txt[0] == '\0') return;
+ } else {
+ return;
+ }
lv_area_t clipped_area;
bool clip_ok = _lv_area_intersect(&clipped_area, coords, mask);
