diff --git a/components/common/comment/main.vue b/components/common/comment/main.vue
index fdc9911..a4a7081 100644
--- a/components/common/comment/main.vue
+++ b/components/common/comment/main.vue
@@ -202,6 +202,11 @@
             _ts.contentEditor.setValue(data.value ? data.value : '');
           },
           preview: {
+            hljs: {
+              enable: true,
+              lineNumber: true,
+              style: 'github'
+            },
             markdown: {
               toc: true,
             },
diff --git a/pages/article/_article_id.vue b/pages/article/_article_id.vue
index 948c7b8..f53a3de 100644
--- a/pages/article/_article_id.vue
+++ b/pages/article/_article_id.vue
@@ -199,7 +199,7 @@
         // //const outLineElement = document.getElementById("articleToC");
         // VditorPreview.setContentTheme('light');
         Vue.VditorPreview.codeRender(previewElement, 'zh_CN');
-        Vue.VditorPreview.highlightRender({"enable": true, "lineNumber": false, "style": "github"}, previewElement);
+        Vue.VditorPreview.highlightRender({"enable": true, "lineNumber": true, "style": "github"}, previewElement);
         Vue.VditorPreview.mathRender(previewElement, {
           math: {"engine": "KaTeX", "inlineDigit": false, "macros": {}},
         });
diff --git a/pages/article/post/_article_id.vue b/pages/article/post/_article_id.vue
index 3c936eb..544b0c2 100644
--- a/pages/article/post/_article_id.vue
+++ b/pages/article/post/_article_id.vue
@@ -145,6 +145,11 @@
             _ts.contentEditor.setValue(data.value ? data.value : '');
           },
           preview: {
+            hljs: {
+              enable: true,
+              lineNumber: true,
+              style: 'github'
+            },
             markdown: {
               toc: true,
             },