diff --git a/bricks/imgs/app_delete.svg b/bricks/imgs/app_delete.svg
index 70b6796..45054f5 100644
--- a/bricks/imgs/app_delete.svg
+++ b/bricks/imgs/app_delete.svg
@@ -1 +1 @@
-
+
diff --git a/bricks/imgs/app_fullscreen.svg b/bricks/imgs/app_fullscreen.svg
index 29acca6..aa78605 100644
--- a/bricks/imgs/app_fullscreen.svg
+++ b/bricks/imgs/app_fullscreen.svg
@@ -1 +1 @@
-
+
diff --git a/bricks/imgs/app_minimize.svg b/bricks/imgs/app_minimize.svg
index 4ca730f..2208b9b 100644
--- a/bricks/imgs/app_minimize.svg
+++ b/bricks/imgs/app_minimize.svg
@@ -1 +1 @@
-
+