diff --git a/src/common/marked.js b/src/common/marked.js
index de1545f62..a7fdfa78e 100644
--- a/src/common/marked.js
+++ b/src/common/marked.js
@@ -230,12 +230,12 @@ const kateX = {
     try {
       renderString = renderToString(token.text, { 
         displayMode: token.displayMode,
-          macros: { 
-              "\\mbox": "\\text{#1}",
-              "\\textrm": "\\text{#1}",
-              "\\textnormal": "\\text{#1}",
-          },
-          trust: false
+        macros: { 
+            "\\mbox": "\\text{#1}",
+            "\\textrm": "\\text{#1}",
+            "\\textnormal": "\\text{#1}",
+        },
+        trust: false
       })
     } catch (error) {
       renderString = `<p style="color:#cc0000" title="${ error.message }">${ token.raw }`
diff --git a/src/components/render-html.jsx b/src/components/render-html.jsx
index a1146b332..a2f6a3b20 100644
--- a/src/components/render-html.jsx
+++ b/src/components/render-html.jsx
@@ -99,13 +99,18 @@ export default ({
         rs = rs.split(`<a href="`+`/${owner}/${projectsId}/issues/${item.project_issues_index}`+`">#${item.project_issues_index}</a>`).join(content);
       }
     }
-    // rs = rs.replace(/(__special_katext_id_\d+__)/g, (_match, capture) => {
-    //   const { type, expression } = math_expressions[capture];
-    //   return renderToString(_unescape(expression) || '', { displayMode: type === 'block', throwOnError: false, output: 'html' })
-    // })
-    // rs = dompurify.sanitize(rs.replace(/▁/g, "▁▁▁"))
-    // rs = rs.split('<img ').join(`<img onerror="javascript:this.src='${ imgError }';"`) // 替换replaceall
-    // resetMathExpressions()
+    rs = rs.replace(/(__special_katext_id_\d+__)/g, (_match, capture) => {
+      const { type, expression } = math_expressions[capture];      
+      return renderToString(_unescape(expression) || '', { displayMode: true, throwOnError: false,macros: { 
+        "\\mbox": "\\text{#1}",
+        "\\textrm": "\\text{#1}",
+        "\\textnormal": "\\text{#1}",
+      },
+      trust: false})
+    })
+    rs = dompurify.sanitize(rs.replace(/▁/g, "▁▁▁"))
+    rs = rs.split('<img ').join(`<img onerror="javascript:this.src='${ imgError }';"`) // 替换replaceall
+    resetMathExpressions()
     return rs
   }, [str,issues]);
 
@@ -161,4 +166,4 @@ export default ({
       dangerouslySetInnerHTML={{ __html: html }}
     ></div>
   )
-}
+}
\ No newline at end of file