diff --git a/package.json b/package.json
index ef5c0c6293..142c93aeec 100644
--- a/package.json
+++ b/package.json
@@ -66,6 +66,7 @@
     "copy-to-clipboard": "^3.3.2",
     "flv.js": "^1.6.2",
     "hls.js": "^1.2.1",
+    "just-once": "^2.2.0",
     "lightgallery": "^2.5.0",
     "mark.js": "^8.11.1",
     "mitt": "^3.0.0",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 452ccdf5e6..1bf5bc198d 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -53,6 +53,9 @@ dependencies:
   hls.js:
     specifier: ^1.2.1
     version: 1.2.1
+  just-once:
+    specifier: ^2.2.0
+    version: 2.2.0
   lightgallery:
     specifier: ^2.5.0
     version: 2.5.0
@@ -1788,6 +1791,10 @@ packages:
     hasBin: true
     dev: true
 
+  /just-once@2.2.0:
+    resolution: {integrity: sha512-Wo547FgUOUZ98jbrZ1KX8nRezdEdtgIlC2NK1u1RvR1oZ/WoU++FjprP8J8hRbaox776MHyeMZZED4DvhhHVjg==}
+    dev: false
+
   /katex@0.16.8:
     resolution: {integrity: sha512-ftuDnJbcbOckGY11OO+zg3OofESlbR5DRl2cmN8HeWeeFIV7wTXvAOx8kEjZjobhA+9wh2fbKeO6cdcA9Mnovg==}
     hasBin: true
diff --git a/src/components/Markdown.tsx b/src/components/Markdown.tsx
index 4c2b48bf72..4ba9da562d 100644
--- a/src/components/Markdown.tsx
+++ b/src/components/Markdown.tsx
@@ -6,12 +6,20 @@ import rehypeRaw from "rehype-raw"
 import reMarkMath from "remark-math"
 import rehypeKatex from "rehype-katex"
 import "./markdown.css"
-import "./katex.css"
 import { Show, createEffect, createMemo, createSignal, on } from "solid-js"
 import { clsx } from "clsx"
 import { Box } from "@hope-ui/solid"
 import { useParseText } from "~/hooks"
 import { EncodingSelect } from "."
+import once from "just-once"
+
+const insertKatexCSS = once(() => {
+  const link = document.createElement("link")
+  link.rel = "stylesheet"
+  link.href =
+    "https://registry.npmmirror.com/katex/0.16.8/files/dist/katex.min.css"
+  document.head.appendChild(link)
+})
 
 export const Markdown = (props: {
   children?: string | ArrayBuffer
@@ -31,6 +39,7 @@ export const Markdown = (props: {
   createEffect(
     on(md, () => {
       setShow(false)
+      insertKatexCSS()
       setTimeout(() => {
         setShow(true)
         hljs.highlightAll()
diff --git a/src/components/katex.css b/src/components/katex.css
deleted file mode 100644
index 5d27ae1782..0000000000
--- a/src/components/katex.css
+++ /dev/null
@@ -1,1128 +0,0 @@
-@font-face {
-  font-family: KaTeX_AMS;
-  font-style: normal;
-  font-weight: 400;
-  src:
-    url(fonts/KaTeX_AMS-Regular.woff2) format("woff2"),
-    url(fonts/KaTeX_AMS-Regular.woff) format("woff"),
-    url(fonts/KaTeX_AMS-Regular.ttf) format("truetype");
-}
-@font-face {
-  font-family: KaTeX_Caligraphic;
-  font-style: normal;
-  font-weight: 700;
-  src:
-    url(fonts/KaTeX_Caligraphic-Bold.woff2) format("woff2"),
-    url(fonts/KaTeX_Caligraphic-Bold.woff) format("woff"),
-    url(fonts/KaTeX_Caligraphic-Bold.ttf) format("truetype");
-}
-@font-face {
-  font-family: KaTeX_Caligraphic;
-  font-style: normal;
-  font-weight: 400;
-  src:
-    url(fonts/KaTeX_Caligraphic-Regular.woff2) format("woff2"),
-    url(fonts/KaTeX_Caligraphic-Regular.woff) format("woff"),
-    url(fonts/KaTeX_Caligraphic-Regular.ttf) format("truetype");
-}
-@font-face {
-  font-family: KaTeX_Fraktur;
-  font-style: normal;
-  font-weight: 700;
-  src:
-    url(fonts/KaTeX_Fraktur-Bold.woff2) format("woff2"),
-    url(fonts/KaTeX_Fraktur-Bold.woff) format("woff"),
-    url(fonts/KaTeX_Fraktur-Bold.ttf) format("truetype");
-}
-@font-face {
-  font-family: KaTeX_Fraktur;
-  font-style: normal;
-  font-weight: 400;
-  src:
-    url(fonts/KaTeX_Fraktur-Regular.woff2) format("woff2"),
-    url(fonts/KaTeX_Fraktur-Regular.woff) format("woff"),
-    url(fonts/KaTeX_Fraktur-Regular.ttf) format("truetype");
-}
-@font-face {
-  font-family: KaTeX_Main;
-  font-style: normal;
-  font-weight: 700;
-  src:
-    url(fonts/KaTeX_Main-Bold.woff2) format("woff2"),
-    url(fonts/KaTeX_Main-Bold.woff) format("woff"),
-    url(fonts/KaTeX_Main-Bold.ttf) format("truetype");
-}
-@font-face {
-  font-family: KaTeX_Main;
-  font-style: italic;
-  font-weight: 700;
-  src:
-    url(fonts/KaTeX_Main-BoldItalic.woff2) format("woff2"),
-    url(fonts/KaTeX_Main-BoldItalic.woff) format("woff"),
-    url(fonts/KaTeX_Main-BoldItalic.ttf) format("truetype");
-}
-@font-face {
-  font-family: KaTeX_Main;
-  font-style: italic;
-  font-weight: 400;
-  src:
-    url(fonts/KaTeX_Main-Italic.woff2) format("woff2"),
-    url(fonts/KaTeX_Main-Italic.woff) format("woff"),
-    url(fonts/KaTeX_Main-Italic.ttf) format("truetype");
-}
-@font-face {
-  font-family: KaTeX_Main;
-  font-style: normal;
-  font-weight: 400;
-  src:
-    url(fonts/KaTeX_Main-Regular.woff2) format("woff2"),
-    url(fonts/KaTeX_Main-Regular.woff) format("woff"),
-    url(fonts/KaTeX_Main-Regular.ttf) format("truetype");
-}
-@font-face {
-  font-family: KaTeX_Math;
-  font-style: italic;
-  font-weight: 700;
-  src:
-    url(fonts/KaTeX_Math-BoldItalic.woff2) format("woff2"),
-    url(fonts/KaTeX_Math-BoldItalic.woff) format("woff"),
-    url(fonts/KaTeX_Math-BoldItalic.ttf) format("truetype");
-}
-@font-face {
-  font-family: KaTeX_Math;
-  font-style: italic;
-  font-weight: 400;
-  src:
-    url(fonts/KaTeX_Math-Italic.woff2) format("woff2"),
-    url(fonts/KaTeX_Math-Italic.woff) format("woff"),
-    url(fonts/KaTeX_Math-Italic.ttf) format("truetype");
-}
-@font-face {
-  font-family: "KaTeX_SansSerif";
-  font-style: normal;
-  font-weight: 700;
-  src:
-    url(fonts/KaTeX_SansSerif-Bold.woff2) format("woff2"),
-    url(fonts/KaTeX_SansSerif-Bold.woff) format("woff"),
-    url(fonts/KaTeX_SansSerif-Bold.ttf) format("truetype");
-}
-@font-face {
-  font-family: "KaTeX_SansSerif";
-  font-style: italic;
-  font-weight: 400;
-  src:
-    url(fonts/KaTeX_SansSerif-Italic.woff2) format("woff2"),
-    url(fonts/KaTeX_SansSerif-Italic.woff) format("woff"),
-    url(fonts/KaTeX_SansSerif-Italic.ttf) format("truetype");
-}
-@font-face {
-  font-family: "KaTeX_SansSerif";
-  font-style: normal;
-  font-weight: 400;
-  src:
-    url(fonts/KaTeX_SansSerif-Regular.woff2) format("woff2"),
-    url(fonts/KaTeX_SansSerif-Regular.woff) format("woff"),
-    url(fonts/KaTeX_SansSerif-Regular.ttf) format("truetype");
-}
-@font-face {
-  font-family: KaTeX_Script;
-  font-style: normal;
-  font-weight: 400;
-  src:
-    url(fonts/KaTeX_Script-Regular.woff2) format("woff2"),
-    url(fonts/KaTeX_Script-Regular.woff) format("woff"),
-    url(fonts/KaTeX_Script-Regular.ttf) format("truetype");
-}
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-  font-family: KaTeX_Size1;
-  font-style: normal;
-  font-weight: 400;
-  src:
-    url(fonts/KaTeX_Size1-Regular.woff2) format("woff2"),
-    url(fonts/KaTeX_Size1-Regular.woff) format("woff"),
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-}
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-}
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-    url(fonts/KaTeX_Size4-Regular.woff) format("woff"),
-    url(fonts/KaTeX_Size4-Regular.ttf) format("truetype");
-}
-@font-face {
-  font-family: KaTeX_Typewriter;
-  font-style: normal;
-  font-weight: 400;
-  src:
-    url(fonts/KaTeX_Typewriter-Regular.woff2) format("woff2"),
-    url(fonts/KaTeX_Typewriter-Regular.woff) format("woff"),
-    url(fonts/KaTeX_Typewriter-Regular.ttf) format("truetype");
-}
-.katex {
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-    Times New Roman,
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-}
-.katex * {
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-.katex .katex-html > .newline {
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