diff --git a/plugins/plugin-seo/src/node/generateDescription.ts b/plugins/plugin-seo/src/node/generateDescription.ts
index daa8b11a72..309012aec7 100644
--- a/plugins/plugin-seo/src/node/generateDescription.ts
+++ b/plugins/plugin-seo/src/node/generateDescription.ts
@@ -11,8 +11,10 @@ export const generateDescription = (
   if (!page.frontmatter.description && autoDescription) {
     const pageText = getPageText(app, page, { length: 180, singleLine: true })
 
-    page.frontmatter.description =
-      pageText.length > 180 ? `${pageText.slice(0, 177)}...` : pageText
-    page.data.autoDesc = true
+    if (pageText.length) {
+      page.frontmatter.description =
+        pageText.length > 180 ? `${pageText.slice(0, 177)}...` : pageText
+      page.data.autoDesc = true
+    }
   }
 }
diff --git a/tools/helper/src/node/page/text.ts b/tools/helper/src/node/page/text.ts
index 4e052b2150..c45ff098b1 100644
--- a/tools/helper/src/node/page/text.ts
+++ b/tools/helper/src/node/page/text.ts
@@ -155,5 +155,7 @@ export const getPageText = (
     }
   }
 
-  return singleLine ? result.replace(/\n/g, ' ').replace(/\s+/g, ' ') : result
+  return (
+    singleLine ? result.replace(/\n/g, ' ').replace(/\s+/g, ' ') : result
+  ).trim()
 }