diff --git a/src/mathworks.ico b/src/mathworks.ico
new file mode 100644
index 0000000..8e52b3a
Binary files /dev/null and b/src/mathworks.ico differ
diff --git a/src/ww2mathworks.ico b/src/ww2mathworks.ico
new file mode 100644
index 0000000..8e52b3a
Binary files /dev/null and b/src/ww2mathworks.ico differ
diff --git a/style/link_icon.css b/style/link_icon.css
index 1c9e92c..d7373b8 100644
--- a/style/link_icon.css
+++ b/style/link_icon.css
@@ -986,3 +986,17 @@
     content: "";
     background-image: url('../src/docspython.svg');
 }
+.protyle-wysiwyg [data-node-id] span[data-type='a'][data-href *="mathworks.com"]:not(:empty)::before,
+.protyle-wysiwyg [data-node-id] a[href *="mathworks.com"]::before,
+.b3-typography a[href *="mathworks.com"]::before{
+
+    content: "";
+    background-image: url('../src/mathworks.ico');
+}
+.protyle-wysiwyg [data-node-id] span[data-type='a'][data-href *="ww2.mathworks.cn"]:not(:empty)::before,
+.protyle-wysiwyg [data-node-id] a[href *="ww2.mathworks.cn"]::before,
+.b3-typography a[href *="ww2.mathworks.cn"]::before{
+
+    content: "";
+    background-image: url('../src/ww2mathworks.ico');
+}
diff --git a/theme.css b/theme.css
index d4dd8e9..a72d509 100644
--- a/theme.css
+++ b/theme.css
@@ -279,7 +279,7 @@ body{
 
 /* -------------------------------标题样式-------------------------------------- */
 .protyle-wysiwyg [data-node-id].h1 ,.b3-typography h1{
-    text-align: center;
+    /* text-align: center; */
     border-bottom: 0px solid #c5c7ca !important;
     font-size: 1.75em !important;
     padding: 0.3em 4px;
@@ -1888,4 +1888,13 @@ body>div#action{
     overflow: hidden;
     mask-image: none;
     -webkit-mask-image: none;
+}
+
+.protyle-wysiwyg [data-node-id].li:before {
+    content: "";
+    position: absolute;
+    height: calc(100% - 41px);
+    border-left: .5px solid var(--b3-theme-background-light);
+    top: 35px;
+    left: 17px;
 }
\ No newline at end of file