diff --git a/docs/ja/README.md b/docs/ja/README.md
index 5eb77e66..aa31a897 100644
--- a/docs/ja/README.md
+++ b/docs/ja/README.md
@@ -2,7 +2,7 @@
 
 ***
 
-<img src='assets/img/product_pics/1.jpg'> <img src='assets/img/product_pics/cores.png'>
+<img src='assets/img/product_pics/1.jpg'> <img src='assets/img/product_pics/core.png'> ( **[クイックスタート](ja/qs)**&nbsp;&nbsp;&nbsp;**[マスター間の比較](https://github.com/m5stack/M5-Schematic/blob/master/Core/hardware_difference_between_cores_ja.md)** )
 
 &nbsp;
 
@@ -56,7 +56,7 @@
 
 ***
 
-<img src='assets/img/product_pics/5.jpg'> <img src='assets/img/product_pics/bases.png'>
+<img src='assets/img/product_pics/5.jpg'> <img src='assets/img/product_pics/base.png'>
 
 &nbsp;
 
@@ -72,7 +72,9 @@
 
 &nbsp;
 
-[![unit_esp32cam.png](http://m5-docs.oss-cn-shenzhen.aliyuncs.com/assets/img/product_pics/homepage_picture/unit/unit_esp32cam_01.png)](ja/unit/esp32cam)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[![unit_m5camera.png](http://m5-docs.oss-cn-shenzhen.aliyuncs.com/assets/img/product_pics/homepage_picture/unit/unit_m5camera_01.png)](ja/unit/m5camera)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[![unit_weight.png](http://m5-docs.oss-cn-shenzhen.aliyuncs.com/assets/img/product_pics/homepage_picture/unit/unit_weight_01.png)](ja/unit/weight)
+**カメラクラス** ( **[クイックスタート](ja/quick_start/m5camera/m5camera_quick_start)**&nbsp;&nbsp;&nbsp;**[カメラ間の比較](https://shimo.im/sheets/gP96C8YTdyjGgKQC/09fd4)** )
+
+[![unit_esp32cam.png](http://m5-docs.oss-cn-shenzhen.aliyuncs.com/assets/img/product_pics/homepage_picture/unit/unit_esp32cam_01.png)](ja/unit/esp32cam)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[![unit_m5camera.png](http://m5-docs.oss-cn-shenzhen.aliyuncs.com/assets/img/product_pics/homepage_picture/unit/unit_m5camera_01.png)](ja/unit/m5camera)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
 
 &nbsp;
 
@@ -104,6 +106,10 @@
 
 &nbsp;
 
+[![unit_weight.png](http://m5-docs.oss-cn-shenzhen.aliyuncs.com/assets/img/product_pics/homepage_picture/unit/unit_weight_01.png)](ja/unit/weight)
+
+&nbsp;
+
 **Visual class**
 
 [![unit_neopixel.png](http://m5-docs.oss-cn-shenzhen.aliyuncs.com/assets/img/product_pics/homepage_picture/unit/unit_neopixel_01.png)](ja/unit/neopixel)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[![unit_catear.png](http://m5-docs.oss-cn-shenzhen.aliyuncs.com/assets/img/product_pics/homepage_picture/unit/unit_catear_01.png)](ja/unit/catear)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[![unit_hex.png](http://m5-docs.oss-cn-shenzhen.aliyuncs.com/assets/img/product_pics/homepage_picture/unit/unit_hex_01.png)](ja/unit/hex)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[![unit_neoflash.png](http://m5-docs.oss-cn-shenzhen.aliyuncs.com/assets/img/product_pics/homepage_picture/unit/unit_neoflash_01.png)](ja/unit/neoflash)
diff --git a/docs/zh_CN/sidebar.md b/docs/zh_CN/sidebar.md
index 83cc7e09..f6b18899 100644
--- a/docs/zh_CN/sidebar.md
+++ b/docs/zh_CN/sidebar.md
@@ -1,5 +1,5 @@
 - [产品介绍](zh_CN/)
-- [API参考](zh_CN/api)
+- [API 参考](zh_CN/api)
 - [M5Stack 案例](zh_CN/case)
 - [相关文档](zh_CN/related_documents)
 - [常见问题解答](zh_CN/faq)