diff --git a/plot/index.html b/plot/index.html
index 825cee1..27362df 100644
--- a/plot/index.html
+++ b/plot/index.html
@@ -31,6 +31,6 @@ <h2>View</h2>
   <h2>Passport</h2>
   <svg width="600" height="500" id="passport-plot"></svg>
 
-  <script src="https://d3js.org/d3.v4.min.js"></script>
+  <script src="https://gw.alipayobjects.com/os/lib/d3/4.13.0/build/d3.min.js"></script>
   <script src="./plot.js"></script>
 </body>