diff --git a/docs/en/core/atom_lite.md b/docs/en/core/atom_lite.md
index 650cab90..60385ebc 100644
--- a/docs/en/core/atom_lite.md
+++ b/docs/en/core/atom_lite.md
@@ -93,7 +93,7 @@
 - **Datasheet**
 
     - [ESP32-PICO](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/datasheet/core/esp32-pico-d4_datasheet_en.pdf)
-
+    - [WS2812B-2020](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/datasheet/core/WS2812B-2020_EN.PDF)
 
 <script>
 
diff --git a/docs/en/core/atom_matrix.md b/docs/en/core/atom_matrix.md
index 5bf01151..72fe599d 100644
--- a/docs/en/core/atom_matrix.md
+++ b/docs/en/core/atom_matrix.md
@@ -98,7 +98,7 @@
 
     - [ESP32-PICO](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/datasheet/core/esp32-pico-d4_datasheet_en.pdf)
     - [MPU6886](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/datasheet/core/MPU-6886-000193%2Bv1.1_GHIC_en.pdf)
-
+    - [WS2812B-2020](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/datasheet/core/WS2812B-2020_EN.PDF)
 
 <script>
 
diff --git a/docs/zh_CN/core/atom_lite.md b/docs/zh_CN/core/atom_lite.md
index 13108e3c..5c13f317 100644
--- a/docs/zh_CN/core/atom_lite.md
+++ b/docs/zh_CN/core/atom_lite.md
@@ -91,7 +91,7 @@
 - **数据手册**
 
     - [ESP32-PICO](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/datasheet/core/esp32-pico-d4_datasheet_cn.pdf)
-
+    - [WS2812B-2020](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/datasheet/core/WS2812B-2020_ZH_cn_V1.3.pdf)
 <script>
 
    var purchase_link = 'https://m5stack.com/collections/m5-core/products/atom-lite-esp32-development-kit';
diff --git a/docs/zh_CN/core/atom_matrix.md b/docs/zh_CN/core/atom_matrix.md
index c6534471..dbfe33c1 100644
--- a/docs/zh_CN/core/atom_matrix.md
+++ b/docs/zh_CN/core/atom_matrix.md
@@ -100,7 +100,7 @@
 
     - [ESP32-PICO](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/datasheet/core/esp32-pico-d4_datasheet_cn.pdf)
     - [MPU6886](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/datasheet/core/MPU-6886-000193%2Bv1.1_GHIC_en.pdf)
-
+    - [WS2812B-2020](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/datasheet/core/WS2812B-2020_ZH_cn_V1.3.pdf)
 
 <script>