diff --git a/docs/en/module/lora.md b/docs/en/module/lora.md
index effaaee5..ad09c3af 100644
--- a/docs/en/module/lora.md
+++ b/docs/en/module/lora.md
@@ -41,7 +41,7 @@ LoRa (433MHz) and LoRaWAN permit long-range connectivity for Internet of Things
 
 ## Related Link
 
-- **[LoRa Info](http://wiki.ai-thinker.com/lora) (LoRa)**
+- **[LoRa Info](https://wiki.ai-thinker.com/_media/lora/docs/c047ps01a1_ra-01_product_specification_v1.1.pdf) (LoRa)**
 
 - **[LoRaWAN Regional Parameters](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/datasheet/module/lorawantm_regional_parameters_v1.1rb_-_final.pdf)**
 
diff --git a/docs/en/module/lora868.md b/docs/en/module/lora868.md
index e6f6799e..7e3a15e6 100644
--- a/docs/en/module/lora868.md
+++ b/docs/en/module/lora868.md
@@ -41,7 +41,7 @@ LoRa and LoRaWAN permit long-range connectivity for Internet of Things (IoT) dev
 
 ## Related Link
 
-- **[LoRa Info](http://wiki.ai-thinker.com/lora) (LoRa)**
+- **[LoRa Info](https://wiki.ai-thinker.com/_media/lora/docs/c047ps01a1_ra-01_product_specification_v1.1.pdf) (LoRa)**
 
 - **[LoRaWAN Regional Parameters](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/datasheet/module/lorawantm_regional_parameters_v1.1rb_-_final.pdf)**
 
diff --git a/docs/zh_CN/module/lora.md b/docs/zh_CN/module/lora.md
index 702aa3de..d95d01dd 100644
--- a/docs/zh_CN/module/lora.md
+++ b/docs/zh_CN/module/lora.md
@@ -41,7 +41,7 @@ LoRa和LoRaWAN允许与不同类型的物联网（IoT）设备，进行远程连
 
 ## 相关链接
 
-- **[LoRa模块信息](http://wiki.ai-thinker.com/lora) (LoRa)**
+- **[LoRa模块信息](https://wiki.ai-thinker.com/_media/lora/docs/ra-01_datasheet_v1.1.pdf) (LoRa)**
 
 - **[LoRaWAN 区域参数](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/datasheet/module/lorawantm_regional_parameters_v1.1rb_-_final.pdf)**
 
diff --git a/docs/zh_CN/module/lora868.md b/docs/zh_CN/module/lora868.md
index cb78223e..e924ba13 100644
--- a/docs/zh_CN/module/lora868.md
+++ b/docs/zh_CN/module/lora868.md
@@ -41,7 +41,7 @@ LoRa和LoRaWAN允许与不同类型的物联网（IoT）设备，进行远程连
 
 ## 相关链接
 
-- **[LoRa模块信息](http://wiki.ai-thinker.com/lora) (LoRa)**
+- **[LoRa模块信息](https://wiki.ai-thinker.com/_media/lora/docs/ra-01_datasheet_v1.1.pdf) (LoRa)**
 
 - **[LoRaWAN 区域参数](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/datasheet/module/lorawantm_regional_parameters_v1.1rb_-_final.pdf)**