diff --git a/docs/en/hat/hat_roverc_pro.md b/docs/en/hat/hat_roverc_pro.md
index db28c949..344ab5d8 100644
--- a/docs/en/hat/hat_roverc_pro.md
+++ b/docs/en/hat/hat_roverc_pro.md
@@ -152,7 +152,7 @@ Independent(with servo gripper) usage [here](https://github.com/m5stack/M5-Produ
 
 <script>
 
-   var purchase_link = 'https://m5stack.com/collections/all/products/rovercw-o-m5stickc';
+   var purchase_link = 'https://m5stack.com/collections/m5-unit/products/roverc-prow-o-m5stickc';
 
    anchor_search(purchase_link);
    scrollFunc();
diff --git a/docs/en/unit/bps.md b/docs/en/unit/bps.md
index 34957720..0e649e45 100644
--- a/docs/en/unit/bps.md
+++ b/docs/en/unit/bps.md
@@ -144,7 +144,7 @@ To get complete code, please click [here](https://github.com/m5stack/M5-ProductE
 
 <script>
 
-   var purchase_link = '';
+   var purchase_link = 'https://m5stack.com/collections/m5-unit/products/barometric-pressure-unitbmp280';
 
    anchor_search(purchase_link);
    scrollFunc();
diff --git a/docs/en/unit/imu.md b/docs/en/unit/imu.md
index fea9e28a..b6598cd6 100644
--- a/docs/en/unit/imu.md
+++ b/docs/en/unit/imu.md
@@ -126,7 +126,7 @@ To get complete code, please click [here](https://github.com/m5stack/M5-ProductE
 
 <script>
 
-   var purchase_link = '';
+   var purchase_link = 'https://m5stack.com/collections/m5-unit/products/6-axis-imu-unitmpu6886';
 
    anchor_search(purchase_link);
    scrollFunc();
diff --git a/docs/en/unit/iso485.md b/docs/en/unit/iso485.md
index 36859d8b..26194a33 100644
--- a/docs/en/unit/iso485.md
+++ b/docs/en/unit/iso485.md
@@ -128,7 +128,7 @@ To get complete code, please click [here](https://github.com/m5stack/M5-ProductE
 
 <script>
 
-   var purchase_link = 'https://m5stack.com/collections/m5-unit/products/rs485-module';
+   var purchase_link = 'https://m5stack.com/collections/m5-unit/products/isolated-rs485-unit';
 
    anchor_search(purchase_link);
    scrollFunc();
diff --git a/docs/zh_CN/hat/hat_roverc_pro.md b/docs/zh_CN/hat/hat_roverc_pro.md
index 186dd213..2dc12b45 100644
--- a/docs/zh_CN/hat/hat_roverc_pro.md
+++ b/docs/zh_CN/hat/hat_roverc_pro.md
@@ -152,7 +152,7 @@ MotorControl：
 
 <script>
 
-   var purchase_link = 'https://m5stack.com/collections/all/products/rovercw-o-m5stickc';
+   var purchase_link = 'https://m5stack.com/collections/m5-unit/products/roverc-prow-o-m5stickc';
 
    anchor_search(purchase_link);
    scrollFunc();
diff --git a/docs/zh_CN/unit/bps.md b/docs/zh_CN/unit/bps.md
index fb84c244..8f246f9c 100644
--- a/docs/zh_CN/unit/bps.md
+++ b/docs/zh_CN/unit/bps.md
@@ -141,7 +141,7 @@
 
 <script>
 
-   var purchase_link = '';
+   var purchase_link = 'https://m5stack.com/collections/m5-unit/products/barometric-pressure-unitbmp280';
 
    anchor_search(purchase_link);
    scrollFunc();
diff --git a/docs/zh_CN/unit/imu.md b/docs/zh_CN/unit/imu.md
index 97edf327..ec5fe744 100644
--- a/docs/zh_CN/unit/imu.md
+++ b/docs/zh_CN/unit/imu.md
@@ -126,7 +126,7 @@
 
 <script>
 
-   var purchase_link = '';
+   var purchase_link = 'https://m5stack.com/collections/m5-unit/products/6-axis-imu-unitmpu6886';
 
    anchor_search(purchase_link);
    scrollFunc();
diff --git a/docs/zh_CN/unit/iso485.md b/docs/zh_CN/unit/iso485.md
index c71d54f2..22e14a56 100644
--- a/docs/zh_CN/unit/iso485.md
+++ b/docs/zh_CN/unit/iso485.md
@@ -120,7 +120,7 @@
 
 <script>
 
-   var purchase_link = 'https://m5stack.com/collections/m5-unit/products/rs485-module';
+   var purchase_link = 'https://m5stack.com/collections/m5-unit/products/isolated-rs485-unit';
 
    anchor_search(purchase_link);
    scrollFunc();