update arch png

2 files changed, 1 insertions, 1 deletions

diff --git a/api.md b/api.md
index b41544d..092f389 100644
--- a/api.md
+++ b/api.md
@@ -1,6 +1,6 @@
 ## 1.0 Architecture Design
 
-![dat-arch.001.jpg](dat-arch.001.jpg)
+![dat-arch.001.jpg](arch.png)
 
 
   * dat: command-line
diff --git a/arch.png b/arch.png
index 57898c2..10ae840 100644
--- a/arch.png
+++ b/arch.png