diff --git a/docs/Application_guide/zh/solutions/poc/dev_resources.md b/docs/Application_guide/zh/solutions/poc/dev_resources.md
index a5eba02427e6c986f7b7095c848d03bc55d09dff..8522bf5459a74487140b95445ee6205ee1a048df 100644
--- a/docs/Application_guide/zh/solutions/poc/dev_resources.md
+++ b/docs/Application_guide/zh/solutions/poc/dev_resources.md
@@ -5,7 +5,7 @@
 - 型号：[EC600MCNLE QuecPython 标准开发板](https://python.quectel.com/doc/Getting_started/zh/evb/ec600x-evb.html)
 - 购买链接：[点此跳转](http://e.tb.cn/h.gAlSKya8NvMC9UY?tk=7APD3KXufyq)
 - 开发板文档
-  - [规格书](http://192.168.29.126:9094/wp-content/uploads/2024/10/QUECTEL_EVB_EC600X、EC800X_V3.2产品规格及用户指导.pdf)
+  - [规格书](https://images.quectel.com/python/2024/12/EC600X系列开发板产品规格及用户指导.pdf)
   - [原理图](https://images.quectel.com/python/2023/05/EC600X_EVB_V3.2-SCH.pdf)
   - [丝印图](https://images.quectel.com/python/2023/05/EC600X_EVB_V3.2-丝印.pdf)
   - [资源介绍与使用指导](https://python.quectel.com/doc/Getting_started/zh/evb/ec600x-evb.html)
@@ -13,7 +13,7 @@
 ## 模组资料
 
 - 型号：[EC600MCN_LE](https://python.quectel.com/products/ec600m-cn)
-- [规格书](https://images.quectel.com/python/2023/04/Quectel_EC600M-CN_LTE_Standard_%E6%A8%A1%E5%9D%97%E4%BA%A7%E5%93%81%E8%A7%84%E6%A0%BC%E4%B9%A6_V1.2.pdf)
+- [规格书](https://images.quectel.com/python/2023/04/Quectel_EC600M-CN_LTE_Standard_模块产品规格书_V1.2.pdf)
 - [驱动下载](https://images.quectel.com/python/2023/04/Quectel_Windows_USB_DriverA_Customer_V1.1.13.zip)
 
 ## 配件资料
@@ -21,16 +21,15 @@
 - LCD 显示屏
   - 型号：ST7789
   - 分辨率：240×240
-  - 购买链接：[点此跳转](https://detail.tmall.com/item.htm?id=635553532494&spm=a21dvs.23580594.0.0.1d292c1bgEWiOc&skuId=4730254699646)
 - 喇叭
-  - 任意 2-5W 功率的喇叭即可。
+  - 任意一个 2-5W 功率的喇叭即可。
 
 ## 开发工具
 
-### QPYCom - QuecPython 调试工具
+### QPYcom - QuecPython 调试工具
 
 - 版本：V3.6.0
-- 下载 [QPYCom](https://images.quectel.com/python/2022/12/QPYcom_V3.6.0.zip)
+- 下载 [QPYcom](https://images.quectel.com/python/2022/12/QPYcom_V3.6.0.zip)
 
 ### VSCode - 代码编辑器
 
@@ -51,3 +50,4 @@
   git checkout EC600MCNLE-Demo # 或者 git checkout v2.0.0
   ```
 - [压缩包下载](https://github.com/QuecPython/solution-POC/archive/refs/tags/v2.0.0.zip)
+