diff --git a/docs/danh-sach-doc.md b/docs/danh-sach-doc.md
index 45747c0..5489f42 100644
--- a/docs/danh-sach-doc.md
+++ b/docs/danh-sach-doc.md
@@ -2,6 +2,7 @@
 layout: default
 title: Danh sách đọc
 permalink: /danh-sach-doc
+nav_order: 3
 ---
 # Danh sách đọc
 ## Muốn đọc
diff --git a/docs/hoa-hoc/hoa-hoc.md b/docs/hoa-hoc/hoa-hoc.md
index 3aa5528..ab609eb 100644
--- a/docs/hoa-hoc/hoa-hoc.md
+++ b/docs/hoa-hoc/hoa-hoc.md
@@ -2,7 +2,7 @@
 layout: default
 title: Hóa học
 has_children: true
-nav_order: 4
+nav_order: 7
 permalink: hoa-hoc
 ---
 
diff --git a/docs/muc-tieu/muctieu.md b/docs/muc-tieu/muctieu.md
index d9769bb..66eb9f3 100644
--- a/docs/muc-tieu/muctieu.md
+++ b/docs/muc-tieu/muctieu.md
@@ -3,5 +3,6 @@ layout: default
 title: Mục tiêu
 permalink: muc-tieu
 has_children: true
+nav_order: 2
 ---
 # Mục tiêu
\ No newline at end of file
diff --git a/docs/tieng-anh/tieng-anh.md b/docs/tieng-anh/tieng-anh.md
index 4b89477..429ae1e 100644
--- a/docs/tieng-anh/tieng-anh.md
+++ b/docs/tieng-anh/tieng-anh.md
@@ -3,6 +3,7 @@ layout: default
 title: Tiếng Anh
 has_children: true
 permalink: tieng-anh
+nav_order: 5
 ---
 
 # Tiếng Anh
\ No newline at end of file
diff --git a/docs/toan/toan.md b/docs/toan/toan.md
index d3b7651..68403d1 100644
--- a/docs/toan/toan.md
+++ b/docs/toan/toan.md
@@ -1,7 +1,7 @@
 ---
 layout: default
 title: Toán
-nav_order: 1
+nav_order: 4
 has_children: true
 permalink: toan
 ---
diff --git a/docs/vat-li/vat-li.md b/docs/vat-li/vat-li.md
index cbe230f..ef9c834 100644
--- a/docs/vat-li/vat-li.md
+++ b/docs/vat-li/vat-li.md
@@ -1,7 +1,7 @@
 ---
 layout: default
 title: Vật lí
-nav_order: 3
+nav_order: 6
 has_children: true
 permalink: vat-li
 ---