diff --git a/index.html b/index.html
index 17089c1..6cd7194 100644
--- a/index.html
+++ b/index.html
@@ -596,7 +596,7 @@
           <div style="
                         display: flex; flex-direction: column; justify-content: left;
               ">
-            <img src="./index_files/person.svg" class="conf-profile" />
+            <img src="./index_files/matt.jpg" class="conf-profile" />
             <span style="text-align: center; font-size: 120%; color: #087f23;">杜夫.密特博士</span>
             <p>加拿大英属哥伦比亚大学福祉策略办公室主任，世界卫生组织健康推广大学领导委员会联合主席</p>
           </div>
@@ -785,7 +785,7 @@
 
         <div class="conf-card">
           <div class="conf-card-info">
-            <img src="./index_files/person.svg" class="conf-card-image" />
+            <img src="./index_files/matt.jpg" class="conf-card-image" />
             <div class="conf-card-text">
               <h3>杜夫.密特 博士</h3>
               <p>
diff --git a/index_files/matt.jpg b/index_files/matt.jpg
new file mode 100644
index 0000000..6a0c2bc
Binary files /dev/null and b/index_files/matt.jpg differ