diff --git a/docs/hoa-hoc/hoa-hoc.md b/docs/hoa-hoc/hoa-hoc.md
index 245db3c..3aa5528 100644
--- a/docs/hoa-hoc/hoa-hoc.md
+++ b/docs/hoa-hoc/hoa-hoc.md
@@ -2,8 +2,8 @@
 layout: default
 title: Hóa học
 has_children: true
-permalink: hoa-hoc
 nav_order: 4
+permalink: hoa-hoc
 ---
 
 # Hóa học
diff --git a/docs/hoa-hoc/lop-10/lop-10.md b/docs/hoa-hoc/lop-10/lop-10.md
index b1b276e..485d7aa 100644
--- a/docs/hoa-hoc/lop-10/lop-10.md
+++ b/docs/hoa-hoc/lop-10/lop-10.md
@@ -2,6 +2,7 @@
 layout: default
 title: Hóa học 10
 has_children: true
-permalink: hoa-hoc/lop-10
 parent: Hóa học
----
\ No newline at end of file
+permalink: hoa-hoc/lop-10
+---
+# Hóa 10
\ No newline at end of file
diff --git a/docs/toan/lop-10/lop-10.md b/docs/toan/lop-10/lop-10.md
index b1c2ec3..1bfab88 100644
--- a/docs/toan/lop-10/lop-10.md
+++ b/docs/toan/lop-10/lop-10.md
@@ -4,4 +4,5 @@ title: Toán 10
 parent: Toán
 has_children: true
 permalink: toan/lop-10
----
\ No newline at end of file
+---
+# Toán 10
\ No newline at end of file
diff --git a/docs/vat-li/lop-10/chuyen-dong-thang-deu.md b/docs/vat-li/lop-10/chuyen-dong-thang-deu.md
index 5df65e5..88dd562 100644
--- a/docs/vat-li/lop-10/chuyen-dong-thang-deu.md
+++ b/docs/vat-li/lop-10/chuyen-dong-thang-deu.md
@@ -3,6 +3,7 @@ layout: default
 title: Chuyển động thẳng đều
 parent: Vật lí 10
 grand_parent: Vật lí 
+permalink: vat-li/lop-10/chuyen-dong-thang-deu
 ---
 
 # Khái niệm
diff --git a/docs/vat-li/lop-10/lop-10.md b/docs/vat-li/lop-10/lop-10.md
index 82224d9..43fbf8c 100644
--- a/docs/vat-li/lop-10/lop-10.md
+++ b/docs/vat-li/lop-10/lop-10.md
@@ -3,4 +3,6 @@ layout: default
 title: Vật lí 10
 parent: Vật lí
 has_children: true
----
\ No newline at end of file
+permalink: vat-li/lop-10
+---
+# Vật lí 10
\ No newline at end of file
diff --git a/vercel.json b/vercel.json
new file mode 100644
index 0000000..601f6a0
--- /dev/null
+++ b/vercel.json
@@ -0,0 +1,5 @@
+{
+    "routes" : [
+        {"src": "(.*/([^/.]+))/?$", "dest": "$1.html"}
+    ]
+}
\ No newline at end of file