diff --git a/latex_templates/cls_style/cls_style.tex b/latex_templates/cls_style/cls_style.tex
index b45d79d..93febbb 100644
--- a/latex_templates/cls_style/cls_style.tex
+++ b/latex_templates/cls_style/cls_style.tex
@@ -4,7 +4,7 @@
 
     \DocumentTitle{文档标题测试}
     \DocumentSubtitle{文档副标题测试}
-    \DocumentCreatedDate{2020/07/21}
+    \DocumentCreatedDate{2020-07-21}
 
     \LinkBlogPost{https://test.LinkBlogPost}
     \LinkBlogPostMirror{https://test.LinkBlogPostMirror}
diff --git a/latex_templates/cls_style_light/cls_style_light.tex b/latex_templates/cls_style_light/cls_style_light.tex
index 2d93722..0d4ccb1 100644
--- a/latex_templates/cls_style_light/cls_style_light.tex
+++ b/latex_templates/cls_style_light/cls_style_light.tex
@@ -4,7 +4,7 @@
 
     \DocumentTitle{文档标题测试}
     \DocumentSubtitle{文档副标题测试}
-    \DocumentCreatedDate{2020/07/21}
+    \DocumentCreatedDate{2020-07-21}
 
     \LinkPDF{https://test.LinkPDF}
     \LinkPDFAccessCode{docs}