diff --git a/docs/en/product_documents/m5stack-core/m5core_basic.md b/docs/en/product_documents/m5stack-core/m5core_basic.md
index b56071e6..65335e6e 100644
--- a/docs/en/product_documents/m5stack-core/m5core_basic.md
+++ b/docs/en/product_documents/m5stack-core/m5core_basic.md
@@ -175,11 +175,11 @@ The a Bottom board on the back of M5Core. It's designed for expanding gpio on M-
 -  Type-C USB Cable
 -  User Manual
 
-<img src="assets/img/product_pics/core/basic/basic_06.jpg" alt="basic_06" width="250" height="250"> <img src="assets/img/product_pics/core/basic/basic_07.jpg" alt="basic_07" width="250" height="250">
+<img src="assets/img/product_pics/core/basic/basic_06.jpg" width="250" height="250"> <img src="assets/img/product_pics/core/basic/basic_07.jpg" width="250" height="250">
 
-<img src="assets/img/product_pics/core/basic/basic_08.jpg" alt="basic_08" width="250" height="250"> <img src="assets/img/product_pics/core/basic/basic_09.jpg" alt="basic_09" width="250" height="250">
+<img src="assets/img/product_pics/core/basic/basic_08.jpg" width="250" height="250"> <img src="assets/img/product_pics/core/basic/basic_09.jpg" width="250" height="250">
 
-<img src="assets/img/product_pics/core/basic/basic_10.jpg" alt="basic_10" width="50%" height="50%">
+<img src="assets/img/product_pics/core/basic/basic_10.jpg" width="50%" height="50%">
 
 ## Related Link
 
diff --git a/docs/zh_CN/product_documents.md b/docs/zh_CN/product_documents.md
index 490d7360..ae1fd9e5 100644
--- a/docs/zh_CN/product_documents.md
+++ b/docs/zh_CN/product_documents.md
@@ -6,9 +6,7 @@
 
 **主控M5Core**
 
-[![](https://img-blog.csdnimg.cn/20181210155042186.jpg)](zh_CN/product_documents/m5stack-core/m5core_basic) [![](https://img-blog.csdnimg.cn/20181210155059380.jpg)](zh_CN/product_documents/m5stack-core/m5core_gray) [![](https://img-blog.csdnimg.cn/20181210155116910.jpg)](zh_CN/product_documents/m5stack-core/m5core_fire)
-
-<!-- |[BASIC](zh_CN/product_documents/m5stack-core/m5core_basic)|[GRAY](zh_CN/product_documents/m5stack-core/m5core_gray)|[FIRE](zh_CN/product_documents/m5stack-core/m5core_fire)| -->
+[![](https://img-blog.csdnimg.cn/20181210155042186.jpg)](zh_CN/product_documents/m5stack-core/m5core_basic)[![FNpWbd.jpg](https://s1.ax1x.com/2018/12/13/FNpWbd.jpg)](zh_CN/product_documents/m5stack-core/m5core_gray)[![](https://img-blog.csdnimg.cn/20181210155059380.jpg)](zh_CN/product_documents/m5stack-core/m5core_gray) [![](https://img-blog.csdnimg.cn/20181210155116910.jpg)](zh_CN/product_documents/m5stack-core/m5core_fire)
 
 **MiniCore**
 
diff --git a/docs/zh_CN/product_documents/m5stack-core/m5core_basic.md b/docs/zh_CN/product_documents/m5stack-core/m5core_basic.md
index 240aad84..69c32aa7 100644
--- a/docs/zh_CN/product_documents/m5stack-core/m5core_basic.md
+++ b/docs/zh_CN/product_documents/m5stack-core/m5core_basic.md
@@ -189,11 +189,11 @@
 -  Type-C USB 线
 -  说明书
 
-<img src="assets/img/product_pics/core/basic/basic_06.jpg" alt="basic_06" width="250" height="250"> <img src="assets/img/product_pics/core/basic/basic_07.jpg" alt="basic_07" width="250" height="250">
+<img src="assets/img/product_pics/core/basic/basic_06.jpg" width="250" height="250"> <img src="assets/img/product_pics/core/basic/basic_07.jpg" width="250" height="250">
 
-<img src="assets/img/product_pics/core/basic/basic_08.jpg" alt="basic_08" width="250" height="250"> <img src="assets/img/product_pics/core/basic/basic_09.jpg" alt="basic_09" width="250" height="250">
+<img src="assets/img/product_pics/core/basic/basic_08.jpg" width="250" height="250"> <img src="assets/img/product_pics/core/basic/basic_09.jpg" width="250" height="250">
 
-<img src="assets/img/product_pics/core/basic/basic_10.jpg" alt="basic_10" width="50%" height="50%">
+<img src="assets/img/product_pics/core/basic/basic_10.jpg" width="50%" height="50%">
 
 
 <!-- <figure>