diff --git a/tutorials/source_zh_cn/advanced_use/nlp_application.md b/tutorials/source_zh_cn/advanced_use/nlp_application.md
index 69c99787f96254f7843e002ab55c5aa5d798617f..ae9f9bb7c1674e1d5698a78ac69ff988e7be8630 100644
--- a/tutorials/source_zh_cn/advanced_use/nlp_application.md
+++ b/tutorials/source_zh_cn/advanced_use/nlp_application.md
@@ -22,7 +22,7 @@
-
+
## 概述
diff --git a/tutorials/source_zh_cn/use/data_preparation/data_processing_and_augmentation.md b/tutorials/source_zh_cn/use/data_preparation/data_processing_and_augmentation.md
index 503ffe654afe093490149db337dedac574d0b523..b350eac747753ad950206af1bc93a5c4f1239ac4 100644
--- a/tutorials/source_zh_cn/use/data_preparation/data_processing_and_augmentation.md
+++ b/tutorials/source_zh_cn/use/data_preparation/data_processing_and_augmentation.md
@@ -17,7 +17,7 @@
-
+
## 概述