diff --git a/index.html b/index.html
index c04cdf94c9382e811a33e392c90972dfd680c0d8..bc411f15e91ceec67485da7a25077a60fe54af88 100644
--- a/index.html
+++ b/index.html
@@ -654,7 +654,7 @@
 		<p>
 		copyright
                 <i class="fa fa-copyright text-primary"></i>
-		Lanceville Technology Group 2019
+		Lanceville Technology 2023 
 		</p>
 	</div>
 
diff --git a/index_de.html b/index_de.html
index d72b45fc82bd0051dcd53666449cc72df5b02b91..88ceb1886be4a88fc298424759a983ad111b0c2c 100644
--- a/index_de.html
+++ b/index_de.html
@@ -534,7 +534,7 @@ We intend to change that!</p>
 		<p>
 		copyright
                 <i class="fa fa-copyright text-primary"></i>
-		Lanceville Technology Group 2019
+		Lanceville Technology 2023 
 		</p>
 	</div>
 
diff --git a/index_en.html b/index_en.html
index c04cdf94c9382e811a33e392c90972dfd680c0d8..bc411f15e91ceec67485da7a25077a60fe54af88 100644
--- a/index_en.html
+++ b/index_en.html
@@ -654,7 +654,7 @@
 		<p>
 		copyright
                 <i class="fa fa-copyright text-primary"></i>
-		Lanceville Technology Group 2019
+		Lanceville Technology 2023 
 		</p>
 	</div>
 
diff --git a/index_zh.html b/index_zh.html
index cd052cf6c63dfc733e81f3b376ad301f4f011fff..a2d3ef849c8263d0001fafeda3ae7a597993bb63 100644
--- a/index_zh.html
+++ b/index_zh.html
@@ -523,7 +523,7 @@
 		<p>
 		copyright
                 <i class="fa fa-copyright text-primary"></i>
-		Lanceville Technology Group 2019
+		Lanceville Technology 2023 
 		</p>
 	</div>
 
diff --git a/index_zh_big5.html b/index_zh_big5.html
index d1ad0fab1b1ca7a988a36e87c0f2cc4d67d73c53..958c163e42be333eea660a42ceb96c0ded56df6c 100644
--- a/index_zh_big5.html
+++ b/index_zh_big5.html
@@ -523,7 +523,7 @@
 		<p>
 		copyright
                 <i class="fa fa-copyright text-primary"></i>
-		Lanceville Technology Group 2019
+		Lanceville Technology 2023 
 		</p>
 	</div>
 
diff --git a/templates/index.tpl b/templates/index.tpl
index 369dfe5534aa593be4fe26f8caf50e0bddf69d50..9267732addb6db4911a85f290600ea3219d8ba49 100644
--- a/templates/index.tpl
+++ b/templates/index.tpl
@@ -516,7 +516,7 @@
 		<p>
 		copyright
                 <i class="fa fa-copyright text-primary"></i>
-		Lanceville Technology Group 2019
+		Lanceville Technology 2023 
 		</p>
 	</div>