diff --git a/package.json b/package.json
index bb113cd..88ad621 100644
--- a/package.json
+++ b/package.json
@@ -11,13 +11,13 @@
     "docs:update-package": "pnpm dlx vp-update"
   },
   "devDependencies": {
+    "@mermaid-js/mermaid-zenuml": "0.2.0",
     "@vuepress/bundler-vite": "2.0.0-rc.17",
     "mermaid": "^11.3.0",
+    "sass-embedded": "^1.79.5",
     "vue": "^3.5.6",
     "vuepress": "2.0.0-rc.17",
     "vuepress-plugin-md-enhance": "2.0.0-rc.57",
-    "vuepress-theme-hope": "2.0.0-rc.58",
-    "@mermaid-js/mermaid-zenuml": "0.2.0"
-  },
-  "dependencies": {}
+    "vuepress-theme-hope": "2.0.0-rc.58"
+  }
 }
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 99ceee7..f1bf425 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -16,6 +16,9 @@ importers:
       mermaid:
         specifier: ^11.3.0
         version: 11.3.0
+      sass-embedded:
+        specifier: ^1.79.5
+        version: 1.79.5
       vue:
         specifier: ^3.5.6
         version: 3.5.6
@@ -4796,8 +4799,7 @@ snapshots:
 
   "@braintree/sanitize-url@7.1.0": {}
 
-  "@bufbuild/protobuf@2.2.0":
-    optional: true
+  "@bufbuild/protobuf@2.2.0": {}
 
   "@chevrotain/cst-dts-gen@11.0.3":
     dependencies:
@@ -6002,8 +6004,7 @@ snapshots:
       node-releases: 2.0.18
       update-browserslist-db: 1.1.0(browserslist@4.23.3)
 
-  buffer-builder@0.2.0:
-    optional: true
+  buffer-builder@0.2.0: {}
 
   buffer@6.0.3:
     dependencies:
@@ -6102,8 +6103,7 @@ snapshots:
       color-name: 1.1.4
       simple-swizzle: 0.2.2
 
-  colorjs.io@0.5.2:
-    optional: true
+  colorjs.io@0.5.2: {}
 
   comma-separated-tokens@2.0.3: {}
 
@@ -6560,8 +6560,7 @@ snapshots:
 
   hachure-fill@0.5.2: {}
 
-  has-flag@4.0.0:
-    optional: true
+  has-flag@4.0.0: {}
 
   hash-sum@2.0.0: {}
 
@@ -6612,8 +6611,7 @@ snapshots:
 
   ignore@5.3.1: {}
 
-  immutable@4.3.7:
-    optional: true
+  immutable@4.3.7: {}
 
   internmap@1.0.1: {}
 
@@ -7150,7 +7148,6 @@ snapshots:
   rxjs@7.8.1:
     dependencies:
       tslib: 2.8.0
-    optional: true
 
   safe-buffer@5.2.1: {}
 
@@ -7248,7 +7245,6 @@ snapshots:
       sass-embedded-win32-arm64: 1.79.5
       sass-embedded-win32-ia32: 1.79.5
       sass-embedded-win32-x64: 1.79.5
-    optional: true
 
   sax@1.3.0: {}
 
@@ -7365,7 +7361,6 @@ snapshots:
   supports-color@8.1.1:
     dependencies:
       has-flag: 4.0.0
-    optional: true
 
   supports-preserve-symlinks-flag@1.0.0: {}
 
@@ -7424,8 +7419,7 @@ snapshots:
 
   ts-toolbelt@6.15.5: {}
 
-  tslib@2.8.0:
-    optional: true
+  tslib@2.8.0: {}
 
   uc.micro@2.1.0: {}
 
@@ -7476,8 +7470,7 @@ snapshots:
 
   uuid@9.0.1: {}
 
-  varint@6.0.0:
-    optional: true
+  varint@6.0.0: {}
 
   vfile-message@4.0.2:
     dependencies: