diff --git a/.DS_Store b/.DS_Store
index 03bb1199..82c0f7f3 100644
Binary files a/.DS_Store and b/.DS_Store differ
diff --git a/docs/.DS_Store b/docs/.DS_Store
index a422b3d6..6dd673df 100644
Binary files a/docs/.DS_Store and b/docs/.DS_Store differ
diff --git a/docs/en/.DS_Store b/docs/en/.DS_Store
index e6d67691..85bc3b57 100644
Binary files a/docs/en/.DS_Store and b/docs/en/.DS_Store differ
diff --git a/docs/en/module/faces_rfid.md b/docs/en/module/faces_rfid.md
index 4a215310..0ff305b3 100644
--- a/docs/en/module/faces_rfid.md
+++ b/docs/en/module/faces_rfid.md
@@ -66,7 +66,7 @@ Communication Protocol: I2C.
 
 ## Document
 
-- Datasheet **[MFRC522](http://www.shenzhen2u.com/doc/Module/Fingerprint/710-FPC1020_PB3_Product-Specification.pdf)**
+- Datasheet **[MFRC522](https://www.nxp.com/docs/en/data-sheet/MFRC522.pdf)**
 
 
 ## Code
diff --git a/docs/zh_CN/.DS_Store b/docs/zh_CN/.DS_Store
index c14b0bb0..6e9b57f2 100644
Binary files a/docs/zh_CN/.DS_Store and b/docs/zh_CN/.DS_Store differ
diff --git a/docs/zh_CN/module/faces_rfid.md b/docs/zh_CN/module/faces_rfid.md
index 6b0377cd..c961c882 100644
--- a/docs/zh_CN/module/faces_rfid.md
+++ b/docs/zh_CN/module/faces_rfid.md
@@ -76,7 +76,7 @@
 
 ## 相关链接
 
-- 数据手册 - **[MFRC522](http://www.shenzhen2u.com/doc/Module/Fingerprint/710-FPC1020_PB3_Product-Specification.pdf)**
+- 数据手册 - **[MFRC522](https://www.nxp.com/docs/en/data-sheet/MFRC522.pdf)**
 
 
 ## 相关视频