diff --git a/src/lv_core/lv_obj.c b/src/lv_core/lv_obj.c
index e6f95e6ca..8c4d1dae1 100644
--- a/src/lv_core/lv_obj.c
+++ b/src/lv_core/lv_obj.c
@@ -1474,8 +1474,6 @@ lv_res_t lv_event_send(lv_obj_t * obj, lv_event_t event, const void * data)
  */
 lv_res_t lv_event_send_func(lv_event_cb_t event_xcb, lv_obj_t * obj, lv_event_t event, const void * data)
 {
-    LV_ASSERT_OBJ(obj, LV_OBJX_NAME);
-
     /* Build a simple linked list from the objects used in the events
      * It's important to know if an this object was deleted by a nested event
      * called from this `even_cb`. */
diff --git a/src/lv_draw/lv_draw_img.c b/src/lv_draw/lv_draw_img.c
index cd404c579..dbac1a4f4 100644
--- a/src/lv_draw/lv_draw_img.c
+++ b/src/lv_draw/lv_draw_img.c
@@ -378,7 +378,7 @@ static void lv_draw_map(const lv_area_t * map_area, const lv_area_t * clip_area,
 
 
         lv_img_rotate_dsc_t rotate_dsc;
-	memset(&rotate_dsc, 0, sizeof(lv_img_rotate_dsc_t));
+        memset(&rotate_dsc, 0, sizeof(lv_img_rotate_dsc_t));
         if(angle) {
             lv_img_cf_t cf = LV_IMG_CF_TRUE_COLOR;
             if(alpha_byte) cf = LV_IMG_CF_TRUE_COLOR_ALPHA;
diff --git a/src/lv_draw/lv_draw_label.c b/src/lv_draw/lv_draw_label.c
index 3a4e7fcab..b9d6d7834 100644
--- a/src/lv_draw/lv_draw_label.c
+++ b/src/lv_draw/lv_draw_label.c
@@ -337,6 +337,7 @@ static void lv_draw_letter(const lv_point_t * pos_p, const lv_area_t * clip_area
 
 static void draw_letter_normal(lv_coord_t pos_x, lv_coord_t pos_y, lv_font_glyph_dsc_t * g, const lv_area_t * clip_area, const uint8_t * map_p, lv_color_t color, lv_opa_t opa)
 {
+
     const uint8_t * bpp_opa_table;
     uint8_t bitmask_init;
     uint8_t bitmask;
diff --git a/src/lv_draw/lv_img_decoder.c b/src/lv_draw/lv_img_decoder.c
index e97afd805..7bee84b41 100644
--- a/src/lv_draw/lv_img_decoder.c
+++ b/src/lv_draw/lv_img_decoder.c
@@ -353,6 +353,11 @@ lv_res_t lv_img_decoder_built_in_open(lv_img_decoder_t * decoder, lv_img_decoder
         LV_LOG_WARN("Image built-in decoder cannot read file because LV_USE_FILESYSTEM = 0");
         return LV_RES_INV;
 #endif
+    } else if(dsc->src_type == LV_IMG_SRC_VARIABLE) {
+    	/*The variables should have valid data*/
+        if(((lv_img_dsc_t *)dsc->src)->data == NULL) {
+        	return LV_RES_INV;
+        }
     }
 
     lv_img_cf_t cf = dsc->header.cf;
@@ -416,6 +421,7 @@ lv_res_t lv_img_decoder_built_in_open(lv_img_decoder_t * decoder, lv_img_decoder
             /*The palette begins in the beginning of the image data. Just point to it.*/
             lv_color32_t * palette_p = (lv_color32_t *)((lv_img_dsc_t *)dsc->src)->data;
 
+
             uint32_t i;
             for(i = 0; i < palette_size; i++) {
                 user_data->palette[i] = lv_color_make(palette_p[i].ch.red, palette_p[i].ch.green, palette_p[i].ch.blue);
diff --git a/src/lv_objx/lv_ta.c b/src/lv_objx/lv_ta.c
index 2ab44b8ec..1a296120e 100644
--- a/src/lv_objx/lv_ta.c
+++ b/src/lv_objx/lv_ta.c
@@ -1788,6 +1788,11 @@ static void refr_cursor_area(lv_obj_t * ta)
         cur_area.x2 = letter_pos.x + cur_style.body.padding.right + letter_w;
         cur_area.y2 = letter_pos.y + cur_style.body.padding.bottom + letter_h + (cur_style.line.width >> 1) +
                       (cur_style.line.width & 0x1);
+    } else if(ext->cursor.type == LV_CURSOR_NONE) {
+    	cur_area.x1 = letter_pos.x;
+    	cur_area.y1 = letter_pos.y;
+    	lv_area_set_width(&cur_area, 0);
+    	lv_area_set_height(&cur_area, 0);
     }
 
     /*Save the new area*/