diff --git a/README.md b/README.md
index f84dfc0..faec857 100644
--- a/README.md
+++ b/README.md
@@ -43,7 +43,7 @@ APEX adopts the functionality of the second-generation alloy properties calculat
 The comprehensive architecture of APEX is demonstrated below:
 
 <div>
-    <img src="./docs/images/apex_demo.png" alt="Fig1" style="zoom: 35%;">
+    <img src="./docs/images/apex_demo_v1.0.png" alt="Fig1" style="zoom: 35%;">
     <p style='font-size:1.0rem; font-weight:none'>Figure 1. APEX schematic diagram</p>
 </div>
 
diff --git a/docs/images/apex_demo_v1.0.png b/docs/images/apex_demo_v1.0.png
new file mode 100644
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