diff --git a/docs/tutorial/map/amap.en.md b/docs/tutorial/map/amap.en.md
index 39d3dee816..10ec1c1801 100644
--- a/docs/tutorial/map/amap.en.md
+++ b/docs/tutorial/map/amap.en.md
@@ -18,7 +18,7 @@ order: 0
2.0版本在L7内部动态引入了高德地图JS API，因此不再需要单独引入高德JS API，只需设置 type 为 ```amap``` 并且传入token
```html
-
+
```
### 添加div 标签指定地图容器
@@ -106,7 +106,7 @@ fetch('https://gw.alipayobjects.com/os/rmsportal/oVTMqfzuuRFKiDwhPSFL.json')
-
+
+
```
### 添加div 标签指定地图容器
@@ -106,7 +106,7 @@ fetch('https://gw.alipayobjects.com/os/rmsportal/oVTMqfzuuRFKiDwhPSFL.json')
-
+
+
```
@@ -114,7 +114,7 @@ fetch('https://gw.alipayobjects.com/os/rmsportal/oVTMqfzuuRFKiDwhPSFL.json')
-
+
+
```
@@ -115,7 +115,7 @@ fetch('https://gw.alipayobjects.com/os/rmsportal/oVTMqfzuuRFKiDwhPSFL.json')
-
+
```
@@ -44,7 +44,7 @@ npm install --save @antv/l7-maps;
### 初始化地图
-#### 使用 Mapbox 底图
+#### 使用 高德 底图
```javascript
diff --git a/docs/tutorial/quickstart.zh.md b/docs/tutorial/quickstart.zh.md
index 176c6eb6a7..3ae7bcd43e 100644
--- a/docs/tutorial/quickstart.zh.md
+++ b/docs/tutorial/quickstart.zh.md
@@ -17,14 +17,14 @@ Include the L7 JS JavaScript of your HTML file.
```html
-
```
-- [use Gaode Map](../map/amap.en.md)
+- [use Gaode Map](./map/amap)
-- [use Mapbox Map ](../map/mapbox.en.md)
+- [use Mapbox Map ](./map/mapbox)
## 通过 Module bundle 使用
@@ -43,7 +43,7 @@ npm install --save @antv/l7-maps;
### 初始化地图
-#### 使用 Mapbox 底图
+#### 使用 高德 底图
```javascript
diff --git a/packages/layers/src/point/shaders/extrude_vert.glsl b/packages/layers/src/point/shaders/extrude_vert.glsl
index ee75f84c38..3586c80cda 100644
--- a/packages/layers/src/point/shaders/extrude_vert.glsl
+++ b/packages/layers/src/point/shaders/extrude_vert.glsl
@@ -23,7 +23,7 @@ void main() {
vec2 offset = project_pixel(size.xy);
vec4 project_pos = project_position(vec4(a_Pos.xy, 0, 1.0));
- vec4 pos = vec4(project_pos.xy + offset, size.z, 1.0);
+ vec4 pos = vec4(project_pos.xy + offset, project_pixel(size.z), 1.0);
float lightWeight = calc_lighting(pos);
v_color =vec4(a_Color.rgb * lightWeight, a_Color.w);