diff --git a/packages/backend/server/src/core/utils/blocksuite.ts b/packages/backend/server/src/core/utils/blocksuite.ts
index b5d76ffb0c..9e6bfcd223 100644
--- a/packages/backend/server/src/core/utils/blocksuite.ts
+++ b/packages/backend/server/src/core/utils/blocksuite.ts
@@ -132,8 +132,9 @@ export function parsePageDoc(
         } else if (summaryLenNeeded > 0) {
           content.summary += text.toString();
           summaryLenNeeded -= text.length;
+        } else {
+          break;
         }
-        break;
       }
     }
   }