diff --git a/tile_map.gd b/tile_map.gd
index 0d4512e..d7fe002 100644
--- a/tile_map.gd
+++ b/tile_map.gd
@@ -100,7 +100,7 @@ func _on_mouse_handler_clicked():
 
 func show_info_building():
 	var tile = local_to_map(get_global_mouse_position())
-	if Dic[str(tile)]["Placed"]:
+	if Dic.has(str(tile)) and Dic[str(tile)]["Placed"]:
 		Triggerer.trigger("show_info", Dic[str(tile)])
 
 func select_building(data):
@@ -119,13 +119,15 @@ func drag_building(data):
 func release_mouse():
 	if Drag_Mode and Building_Mode:
 		place_building()
-		Drag_Mode = false
 
 
 func place_building():
 	var tile = local_to_map(get_global_mouse_position())
-	Building_Mode = false
-	Dic[str(tile)]["Placed"] = true
+	if Dic.has(str(tile)):
+		Building_Mode = false
+		Dic[str(tile)]["Placed"] = true
+	
+	Drag_Mode = false
 
 
 func _on_mouse_handler_rclicked():
diff --git a/ui/essence_icon.png.import b/ui/essence_icon.png.import
new file mode 100644
index 0000000..cd738c0
--- /dev/null
+++ b/ui/essence_icon.png.import
@@ -0,0 +1,34 @@
+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://baxweme4kyald"
+path="res://.godot/imported/essence_icon.png-2ff4decd1d74f99d981c04fec76d6306.ctex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://ui/essence_icon.png"
+dest_files=["res://.godot/imported/essence_icon.png-2ff4decd1d74f99d981c04fec76d6306.ctex"]
+
+[params]
+
+compress/mode=0
+compress/high_quality=false
+compress/lossy_quality=0.7
+compress/hdr_compression=1
+compress/normal_map=0
+compress/channel_pack=0
+mipmaps/generate=false
+mipmaps/limit=-1
+roughness/mode=0
+roughness/src_normal=""
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/normal_map_invert_y=false
+process/hdr_as_srgb=false
+process/hdr_clamp_exposure=false
+process/size_limit=0
+detect_3d/compress_to=1
diff --git a/ui/stone_icon.png b/ui/stone_icon.png
index 7bbcf6d..8cc0962 100644
Binary files a/ui/stone_icon.png and b/ui/stone_icon.png differ
diff --git a/ui/stone_icon.png.import b/ui/stone_icon.png.import
new file mode 100644
index 0000000..6fb102b
--- /dev/null
+++ b/ui/stone_icon.png.import
@@ -0,0 +1,34 @@
+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://cngxjjfl3i0b3"
+path="res://.godot/imported/stone_icon.png-71774b19e906290b7d47dfd58bfc7e58.ctex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
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+dest_files=["res://.godot/imported/stone_icon.png-71774b19e906290b7d47dfd58bfc7e58.ctex"]
+
+[params]
+
+compress/mode=0
+compress/high_quality=false
+compress/lossy_quality=0.7
+compress/hdr_compression=1
+compress/normal_map=0
+compress/channel_pack=0
+mipmaps/generate=false
+mipmaps/limit=-1
+roughness/mode=0
+roughness/src_normal=""
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/normal_map_invert_y=false
+process/hdr_as_srgb=false
+process/hdr_clamp_exposure=false
+process/size_limit=0
+detect_3d/compress_to=1
diff --git a/ui/wood_icon.png.import b/ui/wood_icon.png.import
new file mode 100644
index 0000000..d195c2b
--- /dev/null
+++ b/ui/wood_icon.png.import
@@ -0,0 +1,34 @@
+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://c554jwofq0tdf"
+path="res://.godot/imported/wood_icon.png-2710b2152aec1c69f3e7c85f9132128c.ctex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://ui/wood_icon.png"
+dest_files=["res://.godot/imported/wood_icon.png-2710b2152aec1c69f3e7c85f9132128c.ctex"]
+
+[params]
+
+compress/mode=0
+compress/high_quality=false
+compress/lossy_quality=0.7
+compress/hdr_compression=1
+compress/normal_map=0
+compress/channel_pack=0
+mipmaps/generate=false
+mipmaps/limit=-1
+roughness/mode=0
+roughness/src_normal=""
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/normal_map_invert_y=false
+process/hdr_as_srgb=false
+process/hdr_clamp_exposure=false
+process/size_limit=0
+detect_3d/compress_to=1