diff --git a/bricks/imgs/checkbox-checked.svg b/bricks/imgs/checkbox-checked.svg
index 1a1adc9..ef68d42 100644
--- a/bricks/imgs/checkbox-checked.svg
+++ b/bricks/imgs/checkbox-checked.svg
@@ -1 +1 @@
-
+
diff --git a/bricks/imgs/condition.svg b/bricks/imgs/condition.svg
index 227da6f..48a3ffb 100644
--- a/bricks/imgs/condition.svg
+++ b/bricks/imgs/condition.svg
@@ -1 +1 @@
-
+
diff --git a/bricks/imgs/speak.svg b/bricks/imgs/speak.svg
index 2d02f1e..3af7f5c 100644
--- a/bricks/imgs/speak.svg
+++ b/bricks/imgs/speak.svg
@@ -1 +1 @@
-
+
diff --git a/bricks/imgs/video-record.svg b/bricks/imgs/video-record.svg
index 93efd21..2315bd2 100644
--- a/bricks/imgs/video-record.svg
+++ b/bricks/imgs/video-record.svg
@@ -1 +1 @@
-
+
diff --git a/bricks/imgs/wf-instance.svg b/bricks/imgs/wf-instance.svg
index 553c23f..ee78586 100644
--- a/bricks/imgs/wf-instance.svg
+++ b/bricks/imgs/wf-instance.svg
@@ -1 +1 @@
-
+
diff --git a/bricks/imgs/workflow.svg b/bricks/imgs/workflow.svg
index 3f4fc65..7b812ae 100644
--- a/bricks/imgs/workflow.svg
+++ b/bricks/imgs/workflow.svg
@@ -1 +1 @@
-
+
diff --git a/bricks/imgs/worknode.svg b/bricks/imgs/worknode.svg
index 3665e82..7445a0b 100644
--- a/bricks/imgs/worknode.svg
+++ b/bricks/imgs/worknode.svg
@@ -1 +1 @@
-
+
diff --git a/bricks/svg.js b/bricks/svg.js
index 26c3130..ea78f49 100644
--- a/bricks/svg.js
+++ b/bricks/svg.js
@@ -13,6 +13,7 @@ bricks.Svg = class extends bricks.VBox {
opts.rate = opts.rate || 1;
opts.cwidth = opts.cwidth || 1;
opts.cheight = opts.cheight || 1;
+ opts.blinktime = opts.blinktime || 0.2;
opts.dynsize = true;
super(opts);
if (opts.url){