diff --git a/docusaurus.config.ts b/docusaurus.config.ts
index d67affc..80563d3 100644
--- a/docusaurus.config.ts
+++ b/docusaurus.config.ts
@@ -37,6 +37,15 @@ const config: Config = {
     ],
     ["docusaurus-plugin-docs-info", { debug: true }],
   ],
+  markdown: {
+    preprocessor({ filePath, fileContent }) {
+      // 去掉第一行的#标题，因为不去掉的话会导致创建时间和阅读时间的错误
+      if (fileContent.startsWith("# ")) {
+        return fileContent.replace(/^# (.+?)[\r\n]+/, "");
+      }
+      return fileContent;
+    },
+  },
 
   // Even if you don't use internationalization, you can use this field to set
   // useful metadata like html lang. For example, if your site is Chinese, you
diff --git a/src/theme/Heading/index.tsx b/src/theme/Heading/index.tsx
deleted file mode 100644
index 983be35..0000000
--- a/src/theme/Heading/index.tsx
+++ /dev/null
@@ -1,33 +0,0 @@
-import React from "react";
-import Heading from "@theme-original/Heading";
-import { useSyntheticTitle } from "../DocItem/Content";
-import { useDoc } from "@docusaurus/theme-common/internal";
-import dayjs from "dayjs";
-import { Detail } from "docusaurus-plugin-content-docs-ex/src";
-
-export default function HeadingWrapper(props) {
-  const syntheticTitle = useSyntheticTitle();
-  const doc = useDoc();
-  const detail = (doc.metadata as any).detail as Detail;
-  return (
-    <>
-      <Heading {...props}>
-        {props.children}
-        {detail && !syntheticTitle && props.as.toString() === "h1" && doc.contentTitle==props.children && (
-          <span
-            style={{
-              display: "block",
-              fontSize: "14px",
-              fontWeight: "normal",
-              marginBottom: "10px",
-              marginTop: "10px",
-            }}
-          >
-            {dayjs(detail.create_date).format("YYYY年MM月DD日")} · 阅读需{" "}
-            {Math.ceil(detail.reading_time.minutes)} 分钟
-          </span>
-        )}
-      </Heading>
-    </>
-  );
-}