diff --git a/package-lock.json b/package-lock.json
index b76ae7e..034f37a 100644
--- a/package-lock.json
+++ b/package-lock.json
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diff --git a/package.json b/package.json
index 265cdab..6c8aa9d 100644
--- a/package.json
+++ b/package.json
@@ -22,6 +22,6 @@
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     "hexo-server": "^1.0.0",
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+    "mermaid": "^8.13.8"
   }
 }