diff --git a/index.html b/index.html
index c6fc247..a2d2a83 100644
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+++ b/index.html
@@ -202,8 +202,8 @@
               >
                 Electrochemistry Energy Storage Device Modelling and Management 
               </h1>
-              <h1 data-i18n="welcome">welcome1</h1>
-              <a href="#about" data-i18n="about">safd</a>
+              <!-- <h1 data-i18n="welcome">welcome1</h1>
+              <a href="#about" data-i18n="about">safd</a> -->
               <p
                 class="mx-auto mb-10 max-w-[600px] text-base text-[#e4e4e4] sm:text-lg sm:leading-relaxed md:text-xl md:leading-relaxed"
               >
@@ -4564,7 +4564,7 @@ <h4 class="mb-2 text-lg font-medium text-dark">
                   Haotian Ma
                 </h4>
                 <p class="mb-5 text-sm font-medium text-body-color">
-                  CEO, General Manager
+                  CEO, Co-Founder
                 </p>
                 <div class="flex items-center justify-center">
                   <a href="javascript:void(0)"
@@ -4778,7 +4778,7 @@ <h4 class="mb-2 text-lg font-medium text-dark">
                   Tianchi Yu
                 </h4>
                 <p class="mb-5 text-sm font-medium text-body-color">
-                  CTO
+                  CTO, Co-Founder
                 </p>
                 <div class="flex items-center justify-center">
                   <a href="javascript:void(0)"