diff --git a/AC/index.qmd b/AC/index.qmd
index d58fab9..7a6fdb4 100644
--- a/AC/index.qmd
+++ b/AC/index.qmd
@@ -1,6 +1,5 @@
 ---
-subtitle: "文章成果"
-lang: "zh"
+subtitle: "Acomplishment"
 ---
 
 # 项目
diff --git a/SD/20230101_outline/index.qmd b/SD/20230101_outline/index.qmd
index a599f3f..c9af968 100644
--- a/SD/20230101_outline/index.qmd
+++ b/SD/20230101_outline/index.qmd
@@ -3,13 +3,10 @@ subtitle: "Outline & Key figures"
 author: "AUTHOR"
 institute: "RCEES, CAS"
 lang: en
-website:
-  title: "asdf"
 format: 
   dwsd-revealjs: default
-    # theme: slides.scss 
-revealjs-plugins:
-  - pointer
+# filters:
+#   - watermark
 ---
 
 # Outline
diff --git a/_extensions/drwater b/_extensions/drwater
index 90ed282..f97b954 160000
--- a/_extensions/drwater
+++ b/_extensions/drwater
@@ -1 +1 @@
-Subproject commit 90ed28234608c94f916ed1ff4751a08ddb58b49f
+Subproject commit f97b9548745465d0288149cc09959ad0d97af795
diff --git a/_metadata.yml b/_metadata.yml
index 49ed266..50b33d2 100644
--- a/_metadata.yml
+++ b/_metadata.yml
@@ -168,3 +168,20 @@ execute:
 
 format:
   dwhm-html: default
+
+watermark:
+  text: "中国科学院生态环境研究中心"
+  size: 2
+  angle: 15
+  color: "#002200"
+  opacity: 0.05
+  cols: 10
+  rows: 50
+  col-space: 4
+  row-space: 4
+  z-index: -1
+  html-font: "system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', 'Noto Sans', 'Liberation Sans', Arial, sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol', 'Noto Color Emoji'"
+  pdf-font: "ETbb"
+
+revealjs-plugins:
+  - pointer
diff --git a/about.qmd b/about.qmd
index dd3194f..13db0ab 100644
--- a/about.qmd
+++ b/about.qmd
@@ -1,5 +1,5 @@
 ---
-title: "About"
+subtitle: "About"
 author: ""
 ---
 
diff --git a/index.qmd b/index.qmd
old mode 100755
new mode 100644
index fc8a56e..817c753
--- a/index.qmd
+++ b/index.qmd
@@ -1,19 +1,15 @@
 ---
 subtitle: "Abstract"
 author: ""
-engine: knitr
 ---
 
 ```{r}
-#| echo: false
 #| out-width: 100%
 # dwfun::ggsavep("./figures/GA20240729.pdf", loadit = TRUE)
 ```
 
 
 ```{r}
-#| echo: false
-#| cache: false
 #| output: asis
 # function
 extract_abstract <- function(file) {