diff --git a/web/src/pages/chat/markdown-content/index.tsx b/web/src/pages/chat/markdown-content/index.tsx
index 4b8cfe5bc..61b27347d 100644
--- a/web/src/pages/chat/markdown-content/index.tsx
+++ b/web/src/pages/chat/markdown-content/index.tsx
@@ -25,15 +25,12 @@ import {
   replaceThinkToSection,
   showImage,
 } from '@/utils/chat';
-import { replaceTextByOldReg } from '../utils';
+import { currentReg, replaceTextByOldReg } from '../utils';
 
 import classNames from 'classnames';
 import { pipe } from 'lodash/fp';
 import styles from './index.less';
 
-const reg = /(~{2}\d+={2})/g;
-// const curReg = /(~{2}\d+\${2})/g;
-
 const getChunkIndex = (match: string) => Number(match.slice(2, -2));
 // TODO: The display of the table is inconsistent with the display previously placed in the MessageItem.
 const MarkdownContent = ({
@@ -201,7 +198,7 @@ const MarkdownContent = ({
 
   const renderReference = useCallback(
     (text: string) => {
-      let replacedText = reactStringReplace(text, reg, (match, i) => {
+      let replacedText = reactStringReplace(text, currentReg, (match, i) => {
         const chunkIndex = getChunkIndex(match);
 
         const { documentUrl, fileExtension, imageId, chunkItem, documentId } =
diff --git a/web/src/pages/chat/utils.ts b/web/src/pages/chat/utils.ts
index 2a21e6937..ba44e3c6f 100644
--- a/web/src/pages/chat/utils.ts
+++ b/web/src/pages/chat/utils.ts
@@ -43,17 +43,15 @@ export const buildMessageItemReference = (
 };
 
 const oldReg = /(#{2}\d+\${2})/g;
-const currentReg = /\[ID:(\d+)\]/g;
-
-function transformReg(substring: string) {
-  return `~~${substring.slice(4, -1)}==`;
-}
+export const currentReg = /\[ID:(\d+)\]/g;
 
 // To be compatible with the old index matching mode
 export const replaceTextByOldReg = (text: string) => {
-  return text
-    ?.replace(currentReg, transformReg)
-    .replace(oldReg, (substring: string) => {
-      return `~~${substring.slice(2, -2)}==`;
-    });
+  return (
+    text
+      // ?.replace(currentReg, transformReg)
+      .replace(oldReg, (substring: string) => {
+        return `[ID:${substring.slice(2, -2)}]`;
+      })
+  );
 };