diff --git a/docs/Application_guide/en/solutions/AIChatBot-Volcengine-webRTC/dev_resources.md b/docs/Application_guide/en/solutions/AIChatBot-Volcengine-webRTC/dev_resources.md
index d107a13ede82a6d2d0d3b71f87ca15ee83c515ff..4610c32c7a1b5049f919aaf5f19818c7e85b285d 100644
--- a/docs/Application_guide/en/solutions/AIChatBot-Volcengine-webRTC/dev_resources.md
+++ b/docs/Application_guide/en/solutions/AIChatBot-Volcengine-webRTC/dev_resources.md
@@ -24,7 +24,7 @@
 - VSCode
   - Download:  [VSCode](https://code.visualstudio.com/)
 
-## Source Code
+## Source code
 
 - Branch：ec800m-quecduino
 - The steps for downloading source code from the Github repository are as follows: 
diff --git a/docs/Application_guide/en/solutions/AIChatBot-Volcengine-webRTC/quick_start.md b/docs/Application_guide/en/solutions/AIChatBot-Volcengine-webRTC/quick_start.md
index 2e8fa58d86579954d4b16ad2ed510744bdbf054e..71b4954d3747834f118db1a980c09d00ea5920e0 100644
--- a/docs/Application_guide/en/solutions/AIChatBot-Volcengine-webRTC/quick_start.md
+++ b/docs/Application_guide/en/solutions/AIChatBot-Volcengine-webRTC/quick_start.md
@@ -1,4 +1,4 @@
-# Quick Start
+# Quick start
 
 ## Hardware preparation
 
diff --git a/docs/Application_guide/en/solutions/AIChatBot-Volcengine-webRTC/software_design.md b/docs/Application_guide/en/solutions/AIChatBot-Volcengine-webRTC/software_design.md
index f4edb4a104f2dfdd50e9271cb40add6be758e38d..3b22504b6886b6b1516808cedcfc1586002b19a9 100644
--- a/docs/Application_guide/en/solutions/AIChatBot-Volcengine-webRTC/software_design.md
+++ b/docs/Application_guide/en/solutions/AIChatBot-Volcengine-webRTC/software_design.md
@@ -1,6 +1,6 @@
-# Software Design
+# Software design
 
-## Software Framework
+## Software framework
 
 ### Framework design diagram
 
diff --git a/docs/Application_guide/en/solutions/AIbox/README.md b/docs/Application_guide/en/solutions/AIbox/README.md
index 6b0b4baee32af64c6c605060955487654edc94e6..cd38cb90be5a3c10f656c5c29bf2e1006e8a73eb 100644
--- a/docs/Application_guide/en/solutions/AIbox/README.md
+++ b/docs/Application_guide/en/solutions/AIbox/README.md
@@ -1,4 +1,4 @@
-# AIbox Chatbot
+# AIbox chatbot
 
 The AIbox chatbot solution has the following features:
 
diff --git a/docs/Application_guide/en/solutions/AIbox/dev_resources.md b/docs/Application_guide/en/solutions/AIbox/dev_resources.md
index f6d577dcc92d733a35c258586b842f039fc74d50..5f5bdf9cfea800b6e81d32b2051f2566c2fa2d90 100644
--- a/docs/Application_guide/en/solutions/AIbox/dev_resources.md
+++ b/docs/Application_guide/en/solutions/AIbox/dev_resources.md
@@ -19,7 +19,7 @@
 - VSCode
   - Download: [VSCode](https://gitee.com/link?target=https%3A%2F%2Fcode.visualstudio.com%2F)
 
-##  Source Code
+##  Source code
 
 - The steps to obtain the source code from the Github repository are as follows：
   ```bash
diff --git a/docs/Application_guide/en/solutions/AIbox/quick_start.md b/docs/Application_guide/en/solutions/AIbox/quick_start.md
index 448b97778c6863202a469640d1f622ad54ec7df1..dac51263322c52e32d513c40b8fab2d26e2e3d04 100644
--- a/docs/Application_guide/en/solutions/AIbox/quick_start.md
+++ b/docs/Application_guide/en/solutions/AIbox/quick_start.md
@@ -1,4 +1,4 @@
-# Quick Start
+# Quick start
 
 ## Hardware preparation
 
diff --git a/docs/Application_guide/en/solutions/AIbox/software_design.md b/docs/Application_guide/en/solutions/AIbox/software_design.md
index 399d8be88620ebf9b723f80868d2f831834c9f59..aa51fb8c0fb466b31a84d9d258a4cde4ae50336a 100644
--- a/docs/Application_guide/en/solutions/AIbox/software_design.md
+++ b/docs/Application_guide/en/solutions/AIbox/software_design.md
@@ -1,4 +1,4 @@
-# Software Design
+# Software design
 
 ## Software framework
 
@@ -10,7 +10,7 @@
 
 <img src="../../media/solutions/AIbox/flow2.png" style="zoom:100%;" />
 
-## Code Explanation
+## Code explanation
 
 ### AI wake-up & Human voice detection
 
diff --git a/docs/Application_guide/en/solutions/Agriculture-Control-Panel/README.md b/docs/Application_guide/en/solutions/Agriculture-Control-Panel/README.md
index 3f9927d0fe1f9de048306ce451429e2c730b5700..88764b38014f2bff1ffbca7f49834b1b035899c4 100644
--- a/docs/Application_guide/en/solutions/Agriculture-Control-Panel/README.md
+++ b/docs/Application_guide/en/solutions/Agriculture-Control-Panel/README.md
@@ -1,4 +1,4 @@
-# Smart Agriculture Central Control Panel
+# Smart agriculture central control Panel
 
 The smart agriculture control panel solution is based on the U-235 standard development board and has the following characteristics:
 
diff --git a/docs/Application_guide/en/solutions/Agriculture-Control-Panel/quick_start.md b/docs/Application_guide/en/solutions/Agriculture-Control-Panel/quick_start.md
index 66d033c82466bae732f2f5ac9e003c4c235eafe2..0944b2c82a4b3c7923293d6fb0239c30253bd796 100644
--- a/docs/Application_guide/en/solutions/Agriculture-Control-Panel/quick_start.md
+++ b/docs/Application_guide/en/solutions/Agriculture-Control-Panel/quick_start.md
@@ -1,18 +1,15 @@
-# Quick Start
+# Quick start
 
 
 
 ## Hardware preparation
 
-- A Windows computer, recommended for the `Win10` system.
-
+- A Windows computer, recommended for the `Win10` system
 - A [QuecPython U-235 development board](https://developer.quectel.com/doc/quecpython/Dev_board_guide/en/ec600u-235.html)
-
 - A TypeC data cable
 
 
 
-
 ## Environment construction
 
 - Download and install EC600U series module driver: [QuecPython_USB_DriverU_V1.0.19](https://python.quectel.com/wp-content/uploads/2024/09/Quectel_Windows_USB_DriverU_V1.0.19.zip)
diff --git a/docs/Application_guide/en/solutions/Agriculture-Control-Panel/software_design.md b/docs/Application_guide/en/solutions/Agriculture-Control-Panel/software_design.md
index 2772dc930b324de3a2df42b302156617049b95da..e118202941e1b455752b0cfdeb6c38d5275dd0d9 100644
--- a/docs/Application_guide/en/solutions/Agriculture-Control-Panel/software_design.md
+++ b/docs/Application_guide/en/solutions/Agriculture-Control-Panel/software_design.md
@@ -1,4 +1,4 @@
-# Software Designt
+# Software designt
 
 
 
@@ -18,7 +18,7 @@
 
 
 
-## Code Explanation
+## Code explanation
 
 
 
diff --git a/docs/Application_guide/en/solutions/DTU-EG912U/quick_start.md b/docs/Application_guide/en/solutions/DTU-EG912U/quick_start.md
index 4c812b00237867e79eccb6b20180c036f91a8166..29b44a6a534e5d538d381a3dc7fb525fdbc028d3 100644
--- a/docs/Application_guide/en/solutions/DTU-EG912U/quick_start.md
+++ b/docs/Application_guide/en/solutions/DTU-EG912U/quick_start.md
@@ -1,15 +1,15 @@
-# quick start
+# Quick start
 
 ## Hardware preparation
 
-- A Windows computer, Win10 system is recommended.
+- A Windows computer, Win10 system is recommended
 - One set [EG912U Core Board](https://developer.quectel.com/doc/quecpython/Dev_board_guide/en/bg-eg-core-evb.html)
-- One usable Nano Sim card.
-- An antenna.
-- A Mini USB cable.
-- A USB to TTL module.
+- One usable Nano Sim card
+- An antenna
+- A Mini USB cable
+- A USB to TTL module
 
-## programming environment setup
+## Programming environment setup
 
 - Download and install the EC912U series module driver：[QuecPython_USB_Driver_Win10_U_G](https://python.quectel.com/wp-content/uploads/2024/09/Quectel_Windows_USB_DriverU_V1.0.19.zip)。
 - Download and install [VSCode](https://code.visualstudio.com/)。
@@ -17,7 +17,7 @@
 - Download and install the firmware package[QPY_OCPU_BETA0002_EG912U_GLAA_FW](https://python.quectel.com/wp-content/uploads/2024/09/QPY_OCPU_BETA0002_EG912U_GLAA_FW.zip)。（For firmware package burning, please refer to [Using QPYcom for Firmware Burning](https://developer.quectel.com/doc/quecpython/Application_guide/zh/dev-tools/QPYcom/qpycom-dw.html)）
 - [Download experimental source code](https://github.com/QuecPython/solution-simple-DTU)。
 
-## hardware connection
+## Hardware connection
 
 Follow the following diagram for hardware connection:![](../../media/solutions/DTU-EG912U/EVB_link.png)
 
@@ -30,7 +30,7 @@ Follow the following diagram for hardware connection:![](../../media/solutions/D
 3. Insert the Nano Sim card.
 4. Connect to computer using USB data cable, connect to computer using USB to TTL module.
 
-## device development
+## Device development
 
 - [Device development based on TCP protocol](./tcp_demo.md)
 - [Device development based on MQTT protocol](./mqtt_demo.md)
diff --git a/docs/Application_guide/en/solutions/DTU-EG912U/software_design.md b/docs/Application_guide/en/solutions/DTU-EG912U/software_design.md
index 287a7416cab1d8bacfcad13bd2ec3c16a75373bb..481ed8cad1411e9f9d65d39bad904f9ee3e31999 100644
--- a/docs/Application_guide/en/solutions/DTU-EG912U/software_design.md
+++ b/docs/Application_guide/en/solutions/DTU-EG912U/software_design.md
@@ -16,7 +16,7 @@ The overall business can be summarized as the following process：
 
 > 💡 Basic principle: This DTU uses **multithreading + message queue** to realize upstream and downstream forwarding of serial port and cloud data. The Uplink data thread reads data from the serial port and sends it to the cloud. The Downlink data thread reads cloud data in the message queue and forwards it through the serial port. Message queues are used to cache downlink data from the cloud.
 
-## directory structure
+## Directory structure
 
 ```markdown
 - usr
@@ -33,7 +33,7 @@ The overall business can be summarized as the following process：
     utils.py:              Utility class
 ```
 
-## API Description
+## API description
 
 ### object model
 
diff --git a/docs/Application_guide/en/solutions/DTU/README.md b/docs/Application_guide/en/solutions/DTU/README.md
index 7e980720c933698124fe36ff5068878a5c7b960c..08b02fc09852092d4edad722f00df29ed16a6eaa 100644
--- a/docs/Application_guide/en/solutions/DTU/README.md
+++ b/docs/Application_guide/en/solutions/DTU/README.md
@@ -1,4 +1,4 @@
-# EP-D200 Hua Series DTU
+# EP-D200 Hua series DTU
 
 The Hua series DTU products are equipped with the Mobile EC800G-CN module, which supports 4G Cat1 full network communication and can achieve data exchange between serial ports and 4G (CAT1). Compared with traditional 2G/3G networks, it has wider coverage, faster speed, and lower latency. Using wide voltage (9-36V) power supply. Rich interfaces are available, with RS232, RS485, and TTL interfaces to choose from. Easy and fast development, supports transparent transmission, and supports Python secondary development. Safe and reliable, supporting software and hardware watchdog protection. Compact and easy to install (22.6 * 74.6 mm). This product solution supports 4G full network connection, uses wide voltage (9-36V) power supply, and provides three interfaces: RS232, RS485, and TTL. It can be applied to various industries and complex scenarios to meet the needs of communication and data transmission, such as power grid, transportation, fire protection, industrial production, meteorological environment, agriculture, mining, etc.
 
diff --git a/docs/Application_guide/en/solutions/DTU/dev_resources.md b/docs/Application_guide/en/solutions/DTU/dev_resources.md
index d39e0f2a17ef67dc87a5f110d0b8d2aa130dc7e9..2e207dcfe5497c7eebfed7c31ee4fdb2b50e0269 100644
--- a/docs/Application_guide/en/solutions/DTU/dev_resources.md
+++ b/docs/Application_guide/en/solutions/DTU/dev_resources.md
@@ -4,7 +4,7 @@ This document collects and lists the required hardware resource list and related
 
 ## Development board
 
-- model：[EC800GCN Hua serial DTU EVB](https://developer.quectel.com/doc/quecpython/Getting_started/zh/evb/ec800g_hua_dtu.html)
+- model：[EC800GCN Hua serial DTU EVB](https://www.quecmall.com/)
 - Purchase link：[click](https://www.quecmall.com/goods-detail/2c9080168ef07110018f1853d4050002)
 - EVB docs
   -  [user guidance](https://python.quectel.com/wp-content/uploads/2024/09/EC800G_华-DTU系列开发板产品规格及用户指导.pdf) 
@@ -15,7 +15,7 @@ This document collects and lists the required hardware resource list and related
 - specification: [Quectel_EC800G-CN_LTE_Standard_specification](https://python.quectel.com/wp-content/uploads/2024/09/Quectel_EC800G-CN_LTE_Standard_%E6%A8%A1%E5%9D%97%E4%BA%A7%E5%93%81%E8%A7%84%E6%A0%BC%E4%B9%A6_V1.3.pdf)
 - download driver：[QuecPython_USB_Driver_Win10_U_G](https://python.quectel.com/wp-content/uploads/2024/09/Quectel_Windows_USB_DriverU_V1.0.19.zip)
 
-## Accessories Information
+## Accessories information
 
 - 4G antenna
   - model: YECT012W1A 
@@ -42,7 +42,7 @@ This document collects and lists the required hardware resource list and related
 - version： QPY_OCPU_BETA0002_EC800G_CNLD_FW 
 - download link：[click](https://python.quectel.com/wp-content/uploads/2024/09/QPY_OCPU_BETA0002_EC800G_CNLD_FW.zip)
 
-## Source Code
+## Source code
 
 - Version：v1.0.0
 
diff --git a/docs/Application_guide/en/solutions/DTU/quick_start.md b/docs/Application_guide/en/solutions/DTU/quick_start.md
index aebb053264db091a89242352d8067eb1f0458914..a845d54d4860c6a5b7340eb7009ef0b5b640004c 100644
--- a/docs/Application_guide/en/solutions/DTU/quick_start.md
+++ b/docs/Application_guide/en/solutions/DTU/quick_start.md
@@ -1,9 +1,9 @@
-# Quick Start
+# Quick start
 
 ## Hardware preparation
 
 - One Windows computer, recommended Win10 system.
-- A set of [EC800GCN Hua series DTU development board](https://developer.quectel.com/doc/quecpython/Getting_started/zh/evb/ec800g_hua_dtu.html).
+- A set of [EC800GCN Hua series DTU development board](https://www.quecmall.com/).
 - A usable Nano Sim card.
 - A rubber stick antenna.
 - A Mini USB data cable.
diff --git a/docs/Application_guide/en/solutions/DTU/software_design.md b/docs/Application_guide/en/solutions/DTU/software_design.md
index 46aa414cfd2acd2dfb1a7d844b08c57225f5eb39..0d892725e949ea67d69b7acfa8c61de50e8c7712 100644
--- a/docs/Application_guide/en/solutions/DTU/software_design.md
+++ b/docs/Application_guide/en/solutions/DTU/software_design.md
@@ -1,4 +1,4 @@
-# Software Design Explanation
+# Software design explanation
 
 ## Application flowchart
 
diff --git a/docs/Application_guide/en/solutions/README.md b/docs/Application_guide/en/solutions/README.md
index f87112b2ab3204e0d4f89313cf6e35c1a20eea7a..361001dabded8a2791d4713bb2bacb6383e08064 100644
--- a/docs/Application_guide/en/solutions/README.md
+++ b/docs/Application_guide/en/solutions/README.md
@@ -1,4 +1,4 @@
-# QuecPython Solution
+# QuecPython solution
 
 To facilitate your application development and accelerate your project implementation, QuecPython team has launched software solutions for some common industry applications, including cloud speakers, DTUs, public-network intercoms, electricity meters, network cameras, CPE telephones, smart trackers, watches, electronic student ID cards, and charging piles.
 
diff --git a/docs/Application_guide/en/solutions/SensorHub/README.md b/docs/Application_guide/en/solutions/SensorHub/README.md
index 83d1f07d3e0d60069dc4dc6876e1eb0f8840206f..32cc6b5943a09f854b71063e63c948fe2e8bf982 100644
--- a/docs/Application_guide/en/solutions/SensorHub/README.md
+++ b/docs/Application_guide/en/solutions/SensorHub/README.md
@@ -1,4 +1,4 @@
-# SensorHub Solution
+# SensorHub solution
 
 This solution is based on the EC200U-EU QuecPython standard development board and has the following features:
 
diff --git a/docs/Application_guide/en/solutions/SensorHub/dev_resources.md b/docs/Application_guide/en/solutions/SensorHub/dev_resources.md
index eb863173e24646c88f895406e36171aeca951f49..c638f97aa9da4a2284439df3479e1dba66bdbd46 100644
--- a/docs/Application_guide/en/solutions/SensorHub/dev_resources.md
+++ b/docs/Application_guide/en/solutions/SensorHub/dev_resources.md
@@ -30,7 +30,7 @@ version：8915DM_cat1_open_EC200UEUAAR05A01M08_TEST0222_merge
 
 download [Firmware](../../solutions/SensorHub/EC200UEUAAR05A01M08_TEST0222.zip )
 
-## Source Code
+## Source code
 
 - Version：v2.0.1
 
diff --git a/docs/Application_guide/en/solutions/SensorHub/quick_start.md b/docs/Application_guide/en/solutions/SensorHub/quick_start.md
index 289737379ce1cf92b51884864d522206a439a2a1..63d2e9c372fd2ac0a9347aafbd3e0c37a109a031 100644
--- a/docs/Application_guide/en/solutions/SensorHub/quick_start.md
+++ b/docs/Application_guide/en/solutions/SensorHub/quick_start.md
@@ -1,12 +1,10 @@
-# Quick Start
+# Quick start
 
 ## Hardware preparation
 
-A Windows computer, recommended for the 'Win10' system.
-
-One set [EC200U-EU Quecpython standard EVB](https://developer.quectel.com/doc/quecpython/Dev_board_guide/en/ec200x-evb.html)
-
-One SIM card
+- A Windows computer, recommended for the 'Win10' system
+- One set [EC200U-EU Quecpython standard EVB](https://developer.quectel.com/doc/quecpython/Dev_board_guide/en/ec200x-evb.html)
+- One SIM card
 
 ## Environment construction
 
diff --git a/docs/Application_guide/en/solutions/SensorHub/software_design.md b/docs/Application_guide/en/solutions/SensorHub/software_design.md
index 3d0cb3ec56a6097a5f95fcf8f4ab122f54a33431..aff75b94355391f590ab31831e82cd7ea58753b0 100644
--- a/docs/Application_guide/en/solutions/SensorHub/software_design.md
+++ b/docs/Application_guide/en/solutions/SensorHub/software_design.md
@@ -1,4 +1,4 @@
-# Software Design
+# Software design
 
 
 
@@ -14,7 +14,7 @@
 
   <img src="../../media/solutions/SensorHub/software2.png" style="zoom:150%;" />
 
-## Code Explanation
+## Code explanation
 
 ### data management
 
diff --git a/docs/Application_guide/en/solutions/Wear/quick_start.md b/docs/Application_guide/en/solutions/Wear/quick_start.md
index f6d166f4e3ab7f9ae9d2159f9ba27ea6daec023c..191adfa1701e56c067e116848a9f88890a89e558 100644
--- a/docs/Application_guide/en/solutions/Wear/quick_start.md
+++ b/docs/Application_guide/en/solutions/Wear/quick_start.md
@@ -1,10 +1,10 @@
-# Quick Start
+# Quick start
 
 
 
 ## Hardware preparation
 
-- A Windows computer, recommended for the 'Win10' system.
+- A Windows computer, recommended for the 'Win10' system
 - A TypeC data cable
 - A QuecPython EG810X C1-P03 development board
 
@@ -68,7 +68,7 @@ The wearing plan provides homepage, dial screen, application screen, standby scr
 
 ### watch dial
 
-<img src="../../media/solutions/wear/image-20231124093958921.png" style="zoom:80%;" />	
+<img src="../../media/solutions/Wear/image-20231124093958921.png" style="zoom:80%;" />	
 
 component:
 
@@ -89,7 +89,7 @@ component:
 
 ### App screens
 
-<img src="../../media/solutions/wear/image-20231124094455949.png" style="zoom:80%;" />	
+<img src="../../media/solutions/Wear/image-20231124094455949.png" style="zoom:80%;" />	
 
 1. **Heart rate monitoring:**
   - Click to jump to the heart rate detection page.
@@ -105,12 +105,12 @@ component:
 
 ### Phone screen
 
-<img src="../../media/solutions/wear\image-20231124095320999.png" style="zoom:80%;" />	
+<img src="../../media/solutions/Wear\image-20231124095320999.png" style="zoom:80%;" />	
 
 Provides modes and displays for making phone calls, going/calling/calling, etc.
 
 ### Detection screen
 
-<img src="../../media/solutions/wear\2023-11-24_145207.png" style="zoom: 80%;" />	
+<img src="../../media/solutions/Wear\2023-11-24_145207.png" style="zoom: 80%;" />	
 
 The detection interface includes temperature/blood oxygen/heart rate detection, as well as display of detection status and historical detection.
diff --git a/docs/Application_guide/en/solutions/Wear/readme.md b/docs/Application_guide/en/solutions/Wear/readme.md
index 10bd1667ae02b76464837a37e42672b29432718c..24f8b7c974991cd5eee23c2c238d3d2d1ee47733 100644
--- a/docs/Application_guide/en/solutions/Wear/readme.md
+++ b/docs/Application_guide/en/solutions/Wear/readme.md
@@ -1,4 +1,4 @@
-# Wearable Solution
+# Wearable solution
 
 
 
diff --git a/docs/Application_guide/en/solutions/Wear/software_design.md b/docs/Application_guide/en/solutions/Wear/software_design.md
index 4885d7ab84f4223304d7993d461393b772a592da..190e2437f862b2aeaff395cdce538311132ff48a 100644
--- a/docs/Application_guide/en/solutions/Wear/software_design.md
+++ b/docs/Application_guide/en/solutions/Wear/software_design.md
@@ -1,4 +1,4 @@
-# Software Design
+# Software design
 
 
 
@@ -6,7 +6,7 @@
 
 
 
-### Software Design Diagram
+### Software design diagram
 
 ![image-20231124112722602](../../media/solutions/Wear/image-20231124112722602.png)	
 
diff --git a/docs/Application_guide/en/solutions/electricity-meter/dev_resources.md b/docs/Application_guide/en/solutions/electricity-meter/dev_resources.md
index 4b5100ee6837cb301a674b4b43112ad88eba9d28..3135dbd29d7852821936aeb5839124339aa83233 100644
--- a/docs/Application_guide/en/solutions/electricity-meter/dev_resources.md
+++ b/docs/Application_guide/en/solutions/electricity-meter/dev_resources.md
@@ -22,9 +22,9 @@
 
 
 
-## Accessories Information
+## Accessories information
 
-- model: CP2102
+- model: CP2102 
   - [buy link](https://detail.tmall.com/item.htm?id=613201654382&ns=1&pisk=gw4jx8fcDKvbzpBgq-frNzTvDwu_B_7FGCGTt5L26q3vW1waUPotQi2sfRyoXru4g8MTL8Mv7GD25VN_IRy_ssctBResQoSP8SVmSVBF5w7UiLJfP0yXWAHR6fhnB_ovYkeQlVBFLNtywmXqW-khxJRJ2XD-Mfn9D_O-TX3t6j3ONYhsthpYBRFRNfhMWhLxB3K-tX39XmHx27hZTnLtHFnRNfD-BV3TB4hPbBG1cxVfMyfGM_p6z7MWWFUSwOc4G68m9yGf3vVjF9IQPemjpSHWW9b0bvksEyBPV72QD-luCw6SJk275D31lpcb2Wg-32IBVqNznygYRtTqa4krvln5MZFSlxwQrDO9cqZTnPi0cCf3wqeuxvmAqTc7uyosK09RH7PSHDZ_3TYt3kN8FDzyUeuLx8asv2IPwekB6Kt6NDYsNv55NhxgK5szWq_4mBnxZjiPN_9YjmhoNv55NhxiDbcjT_1WHlf..&priceTId=2150462d17417427652285603e1227&skuId=4871003428842&spm=a21n57.sem.item.3.cf7a3903yaHeHS&utparam=%7B%22aplus_abtest%22%3A%22c0a79115a7b91391fe1a354730d582b7%22%7D&xxc=ad_ztc)
   - [download driver](https://www.silabs.com/documents/public/software/CP210x_Universal_Windows_Driver.zip)
 
diff --git a/docs/Application_guide/en/solutions/electricity-meter/quick_start.md b/docs/Application_guide/en/solutions/electricity-meter/quick_start.md
index c5c42249c68e1a414f751c07ce3e4686dc0228e1..55105acce27814046b614ed404ddaf554e018d2a 100644
--- a/docs/Application_guide/en/solutions/electricity-meter/quick_start.md
+++ b/docs/Application_guide/en/solutions/electricity-meter/quick_start.md
@@ -1,10 +1,10 @@
-# Quick Start
+# Quick start
 
 
 
 ## Hardware preparation
 
-- A Windows computer, recommended for the 'Win10' system.
+- A Windows computer, recommended for the 'Win10' system
 - A TypeC data cable
 - A SIM card
 - One [EG91X Evaluation Board](https://developer.quectel.com/doc/quecpython/Getting_started/en/evb/eg91x-evb.html)
diff --git a/docs/Application_guide/en/solutions/electricity-meter/software_design.md b/docs/Application_guide/en/solutions/electricity-meter/software_design.md
index 2705ba3dcac510d8ca5214d47d940484a0bd6a5c..198c1f032e3b358fd272c1e017178c4d433ad6b1 100644
--- a/docs/Application_guide/en/solutions/electricity-meter/software_design.md
+++ b/docs/Application_guide/en/solutions/electricity-meter/software_design.md
@@ -1,4 +1,4 @@
-# Software Design Explanation
+# Software design explanation
 
 
 
diff --git a/docs/Application_guide/en/solutions/meter-box/README.md b/docs/Application_guide/en/solutions/meter-box/README.md
index 4309651218775c29048a84ef7325b93c700c0429..fa1520f1482040c41b834c06072923113e231002 100644
--- a/docs/Application_guide/en/solutions/meter-box/README.md
+++ b/docs/Application_guide/en/solutions/meter-box/README.md
@@ -1,4 +1,4 @@
-# Smart Meter solution based on EG912U
+# Smart meter solution based on EG912U
 
 The **meter solution** has the following features:
 
diff --git a/docs/Application_guide/en/solutions/meter-box/dev_resources.md b/docs/Application_guide/en/solutions/meter-box/dev_resources.md
index 32a3bae274a4eefea55d5a79926acb2ee3e9c4e6..fcf043b87c1d0f912c2d11f7976bd43929e887c6 100644
--- a/docs/Application_guide/en/solutions/meter-box/dev_resources.md
+++ b/docs/Application_guide/en/solutions/meter-box/dev_resources.md
@@ -1,6 +1,6 @@
-# Development Resources
+# Development resources
 
-## Hardware Information
+## Hardware information
 
 ### Product Purchase
 
@@ -14,13 +14,13 @@
 
 > [Click here to purchase development board kit](https://www.quecmall.com/goods-detail/2c90800b94028e0c01944e04265a0065)
 
-## Software Information
+## Software information
 
 * USB driver for QuecPython module: [QuecPython\_USB\_Driver\_Win10\_U\_G](https://developer.quectel.com/wp-content/uploads/2024/09/Quectel_Windows_USB_DriverU_V1.0.19.zip)
 
 * [QuecPython firmware](../../media/solutions/meter-box/8915DM_cat1_open_EG912UGLAAR05A01M08_TEST0807.zip)
 
-## Development Tools
+## Development tools
 
 * QPYcom - QuecPython debugging tool
 
@@ -34,7 +34,7 @@
 
   * Download [VSCode](https://code.visualstudio.com/)
 
-## Experiment Source Code
+## Experiment source code
 
 * Steps to obtain source code from Github repository:
 
diff --git a/docs/Application_guide/en/solutions/meter-box/quick_start.md b/docs/Application_guide/en/solutions/meter-box/quick_start.md
index 78ec91fc99c6a4e6c647ca11a0937971b78cf487..7ad2bd10f82e45cc2b83765e2425651756bf02bc 100644
--- a/docs/Application_guide/en/solutions/meter-box/quick_start.md
+++ b/docs/Application_guide/en/solutions/meter-box/quick_start.md
@@ -1,6 +1,6 @@
-# Quick Start
+# Quick start
 
-## Hardware Preparation
+## Hardware preparation
 
 * A Windows computer, preferably with `Win10` system.
 
@@ -8,7 +8,7 @@
 
 * A working SIM card.
 
-## Environment Setup
+## Environment setup
 
 * Download and install EG912U series module driver: [QuecPython\_USB\_Driver\_Win10\_U\_G](https://developer.quectel.com/wp-content/uploads/2024/09/Quectel_Windows_USB_DriverU_V1.0.19.zip)
 
@@ -20,7 +20,7 @@
 
 * Download [experiment source code](https://codeload.github.com/QuecPython/meter-box/zip/refs/heads/main).
 
-## Hardware Connection
+## Hardware connection
 
 Follow the diagram below for hardware connection:
 
@@ -32,7 +32,7 @@ Follow the diagram below for hardware connection:
 
    ​	<img src="../../media/solutions/meter-box/switch.png" style="zoom: 67%;" />
 
-## Device Development
+## Device development
 
 ### Power On
 
@@ -50,7 +50,7 @@ Refer to [this chapter](https://developer.quectel.com/doc/quecpython/Application
 2. Refer to [this chapter](https://developer.quectel.com/doc/quecpython/Getting_started/zh/4G/first_python.html#执行脚本文件), execute the main program file `_main.py`.
 3. Refer to [this chapter](https://developer.quectel.com/doc/quecpython/Getting_started/zh/4G/first_python.html#停止程序运行), stop program execution.
 
-## Business Debugging
+## Business debugging
 
 ### Program Startup
 
diff --git a/docs/Application_guide/en/solutions/meter-box/software_design.md b/docs/Application_guide/en/solutions/meter-box/software_design.md
index e19cd3b4a15ccac6b1a0020658f526dd4b73fdef..443a7dc1c7e149b984ecde7faffca747015c1b34 100644
--- a/docs/Application_guide/en/solutions/meter-box/software_design.md
+++ b/docs/Application_guide/en/solutions/meter-box/software_design.md
@@ -1,16 +1,16 @@
-# Software Design
+# Software design
 
-## Program Architecture
+## Program architecture
 
 The software adopts a modular architecture design, mainly including four parts: core application framework, tool library, extension modules, and device interaction modules. Each module has clear responsibilities and low coupling, facilitating maintenance and expansion.
 
 ​	<img src="../../media/solutions/meter-box/software.png" style="zoom: 33%;" />
 
-## Business Flow
+## Business flow
 
 ​	<img src="../../media/solutions/meter-box/flow.png" style="zoom: 50%;" />
 
-## Code Details
+## Code details
 
 ### Program Entry \_main.py Initialization Flow
 
diff --git a/docs/Application_guide/en/solutions/poc/dev_resources.md b/docs/Application_guide/en/solutions/poc/dev_resources.md
index 4ed70dcc46c0a50fe14058f413a6ca3f7467b849..6c6ccec35b4c557ae2ee9fe07b9b7adb49d7e7a6 100644
--- a/docs/Application_guide/en/solutions/poc/dev_resources.md
+++ b/docs/Application_guide/en/solutions/poc/dev_resources.md
@@ -15,7 +15,7 @@
 - model: [EC600MCN_LE](https://python.quectel.com/en/modules-cat/ec600m-series)
 - [specification](https://python.quectel.com/en/wp-content/uploads/sites/2/2024/11/Quectel_EC600M_Series_LTE_Standard_Specification_V1.0.pdf)
 - [download drivers](https://python.quectel.com/wp-content/uploads/2024/09/Quectel_Windows_USB_DriverA_Customer_V1.1.13.zip)
-## Accessories Information
+## Accessories information
 
 - LCD 
   - model: ST7789
@@ -37,7 +37,7 @@
 - version: EC600MCNLER06A01M08_POC_XBND_OCPU_QPY_BETA0117
 - download [Firmware](https://github.com/QuecPython/solution-POC/releases/download/v2.0.1/EC600MCNLER06A01M08_POC_XBND_OCPU_QPY_BETA0117.zip)
 
-## Source Code
+## Source code
 
 - Version: v2.0.1
 - The steps for downloading source code from the Github repository are as follows: 
diff --git a/docs/Application_guide/en/solutions/poc/quick_start.md b/docs/Application_guide/en/solutions/poc/quick_start.md
index 64155a0d61e71706c326756c3901e29740b25570..e2ca71b2f5953e6b5803529b63dc9e519bae9f09 100644
--- a/docs/Application_guide/en/solutions/poc/quick_start.md
+++ b/docs/Application_guide/en/solutions/poc/quick_start.md
@@ -1,9 +1,9 @@
-# Quick Start
+# Quick start
 
 ## Hardware preparation
 
 - A Windows computer, recommended for the `Win10` system.
-- Two sets of [EC600MCNTE QuecPython standard development boards](https://developer.quectel.com/doc/quecpython/Getting_started/zh/evb/ec600x-evb.html) (Each set includes an antenna, Type-C data cable, etc.).
+- Two sets of [EC600MCNTE QuecPython standard development boards](https://developer.quectel.com/en/modules-cat/ec600m-series) (Each set includes an antenna, Type-C data cable, etc.).
 
   > 💡 **Tips**
   > One set is used for the demonstration of the calling device, and the other set is used for the demonstration of the called device.
diff --git a/docs/Application_guide/en/solutions/poc/software_design.md b/docs/Application_guide/en/solutions/poc/software_design.md
index 4220bf2a97865f018f1044f8842c0ba0506f2937..3415d82d8af84c74b89a0a7d87cd73ceb189a91c 100644
--- a/docs/Application_guide/en/solutions/poc/software_design.md
+++ b/docs/Application_guide/en/solutions/poc/software_design.md
@@ -1,4 +1,4 @@
-# Software Design
+# Software design
 
 ## Software framework
 
@@ -25,7 +25,7 @@
 
 ![](../../media/solutions/poc/start.png) 
 
-## Code Explanation
+## Code explanation
 
 ### Core Business Module (POC)
 
diff --git a/docs/Application_guide/en/solutions/tracker/README.md b/docs/Application_guide/en/solutions/tracker/README.md
index 0b8ecea01ee6c09646e4a690556b8a238ee33b5e..f6f7c223c096aaf74e408a815b85a7e59bd08d1e 100644
--- a/docs/Application_guide/en/solutions/tracker/README.md
+++ b/docs/Application_guide/en/solutions/tracker/README.md
@@ -1,4 +1,4 @@
-# Tracker Solution
+# Tracker solution
 
 This intelligent locator solution is based on the EC200UEUAA QuecPython standard development board and has the following features:
 
diff --git a/docs/Application_guide/en/solutions/tracker/dev_resources.md b/docs/Application_guide/en/solutions/tracker/dev_resources.md
index add5c974e4e9c7575a47b954f128208dd00a6f5f..3540fa99ce2acbd73ee1f9f19aa244389e85091e 100644
--- a/docs/Application_guide/en/solutions/tracker/dev_resources.md
+++ b/docs/Application_guide/en/solutions/tracker/dev_resources.md
@@ -16,7 +16,7 @@
 - [specification](https://python.quectel.com/en/wp-content/uploads/sites/2/2024/11/Quectel_EC200U_Series_LTE_Standard_Specification_V1.4.pdf)
 - [driver download](https://python.quectel.com/wp-content/uploads/2024/09/Quectel_Windows_USB_DriverU_V1.0.19.zip)
 
-## Accessories Information
+## Accessories information
 
 - GNSS antenna+adapter cable
   - model：YLY001CA + YM0003AA
diff --git a/docs/Application_guide/en/solutions/tracker/quick_start.md b/docs/Application_guide/en/solutions/tracker/quick_start.md
index 5aa5ec05c16a6bf36498c165c679b2dbeb1a4b58..a0f8c4995bb52aa5c171ed96f371399d3d6712b6 100644
--- a/docs/Application_guide/en/solutions/tracker/quick_start.md
+++ b/docs/Application_guide/en/solutions/tracker/quick_start.md
@@ -1,4 +1,4 @@
-# Quick Start
+# Quick start
 
 ## Hardware preparation
 
@@ -28,7 +28,7 @@ Connect the hardware according to the following diagram:
 4. Use jumper caps to short-circuit the two pins marked with the words 'GNSS-EN' to enable the development board's built-in GNSS function
 5. Connect the development board and computer using a Type-C data cable
 
-## Cloud Service Platform
+## Cloud service platform
 
 Follow these steps to create, configure, and connect to the Alibaba Cloud IoT platform:
 
diff --git a/docs/Application_guide/en/solutions/tracker/software_design.md b/docs/Application_guide/en/solutions/tracker/software_design.md
index 3a2169c50678815541e92df5c487a2cd0b242aad..f99c9146d8f2cf7f7b9fc3e66285ba033cbaa350 100644
--- a/docs/Application_guide/en/solutions/tracker/software_design.md
+++ b/docs/Application_guide/en/solutions/tracker/software_design.md
@@ -1,10 +1,10 @@
-# Software Design
+# Software design
 
 ## Introduction
 
 This document mainly describes the design framework of the QuecPython locator for mobile communication, including the software and hardware system framework, key component function description, system initialization process and business process introduction, as well as functional examples, to facilitate users to quickly understand the overall architecture and functions of the QuecPython locator.
 
-## Function Introduction
+## Function introduction
 
 The software functions in the intelligent locator solution are introduced as shown in the following figure. The solution is divided into functions based on the actual business of the locator and developed in a modular manner.
 
@@ -52,7 +52,7 @@ Process description:
 
 ## Software framework
 
-### Design Ideas
+### Design ideas
 
 - This system is designed in listener mode and monitors message transmission events through callback functions;
 - The software splits its functions according to the business requirements of the locator, mainly implementing them in modules. Each part is independently developed and implemented to reduce dependence on each other, and can be independently debugged and run to achieve decoupling effect;
@@ -64,7 +64,7 @@ Process description:
 2. The Server module (IoT platform interaction module) passes the service-oriented downlink data to `Tracker.server_callback` for processing through callbacks;
 3. The NetManage module passes the network disconnection event to `Tracker.net_callback` for processing through callbacks.
 
-### Software Architecture Diagram
+### Software architecture diagram
 
 The introduction and description of the software system framework are as follows:
 
@@ -77,7 +77,7 @@ The introduction and description of the software system framework are as follows
 
 ## Introduction to functional components
 
-### Core Business Module (Tracker)
+### Core business module (Tracker)
 
 1. Function description
 
@@ -798,7 +798,7 @@ There are dependency and inheritance relationships between various component obj
 
 ![solution-tracker-104](../../media/solutions/tracker/solution-tracker-104.png)
 
-## Event Process Description
+## Event process description
 
 ### operation flow
 
diff --git a/docs/Application_guide/en/solutions/tracker_box(EG912U)/README.md b/docs/Application_guide/en/solutions/tracker_box(EG912U)/README.md
index daaae838e6fd6e58aa2a8ccc02a50e424ed139af..8ed6759212d26a2b582ce569da60f07b519aa3fa 100644
--- a/docs/Application_guide/en/solutions/tracker_box(EG912U)/README.md
+++ b/docs/Application_guide/en/solutions/tracker_box(EG912U)/README.md
@@ -1,4 +1,4 @@
-# Smart Tracker solution based on EG912U
+# Smart tracker solution based on EG912U
 
 This Smart Tracker solution is implemented based on the QuecPython EG912U standard development board and features the following characteristics:
 
diff --git a/docs/Application_guide/en/solutions/tracker_box(EG912U)/dev_resources.md b/docs/Application_guide/en/solutions/tracker_box(EG912U)/dev_resources.md
index bb98c68c1c783c6badac527708b6b9c51b48073c..031076473f9c6e3a5dd5f26a21d603eee16dd671 100644
--- a/docs/Application_guide/en/solutions/tracker_box(EG912U)/dev_resources.md
+++ b/docs/Application_guide/en/solutions/tracker_box(EG912U)/dev_resources.md
@@ -19,7 +19,7 @@
 - VSCode
   - Download: [VSCode](https://gitee.com/link?target=https%3A%2F%2Fcode.visualstudio.com%2F)
 
-##  Source Code
+##  Source code
 
 - The steps to obtain the source code from the Github repository are as follows：
 
diff --git a/docs/Application_guide/en/solutions/tracker_box(EG912U)/quick_start.md b/docs/Application_guide/en/solutions/tracker_box(EG912U)/quick_start.md
index cf468a61de8726a93f8da05e462772a487113beb..ab159b4e6c050f4c3831aaf7b7c030c5037ec094 100644
--- a/docs/Application_guide/en/solutions/tracker_box(EG912U)/quick_start.md
+++ b/docs/Application_guide/en/solutions/tracker_box(EG912U)/quick_start.md
@@ -1,4 +1,4 @@
-# Quick Start
+# Quick start
 
 ## Hardware preparation
 
@@ -44,7 +44,7 @@ Acceleronix's asset management SaaS platform offers comprehensive solutions for
 
 This asset management SaaS platform enables users to operate devices and can conduct dynamic analysis of hardware data based on the TSL model. It integrates multiple sensors such as water quality, temperature, humidity, light and carbon dioxide to adapt to different scenarios. The functions include real-time data viewing, historical operation curves, data aggregation, as well as device maps and trajectory playback based on location devices.
 
-## Device Development
+## Device development
 
 ### Power on
 
@@ -65,7 +65,7 @@ Refer to [this chapter](https://gitee.com/link?target=https%3A%2F%2Fdeveloper.qu
 1. Refer to [this chapter](https://gitee.com/link?target=https%3A%2F%2Fdeveloper.quectel.com%2Fdoc%2Fquecpython%2FGetting_started%2Fen%2F4G%2Ffirst_python.html%23Run-Script) Execute the main program file `_main.py`.
 2. Refer to [this chapter](https://gitee.com/link?target=https%3A%2F%2Fdeveloper.quectel.com%2Fdoc%2Fquecpython%2FGetting_started%2Fen%2F4G%2Ffirst_python.html%23Stop-a-Running-Program) Stop the program from running.
 
-## Business Debugging
+## Business debugging
 
 ### Program Startup
 
diff --git a/docs/Application_guide/en/solutions/tracker_box(EG912U)/software_design.md b/docs/Application_guide/en/solutions/tracker_box(EG912U)/software_design.md
index f10b9b0f5a7f8b0e650e30d36cab306399c27198..0e24438d0b10ad027233448564bf489660706d70 100644
--- a/docs/Application_guide/en/solutions/tracker_box(EG912U)/software_design.md
+++ b/docs/Application_guide/en/solutions/tracker_box(EG912U)/software_design.md
@@ -1,10 +1,10 @@
-# Software Design Explanation
+# Software design explanation
 
-## Software Framework
+## Software framework
 
 <img src="../../media/solutions/tracker_box(EG912U)/software.png" style="zoom: 100%;" />
 
-## Code Explanation
+## Code explanation
 
 ### Wait for the network to be ready
 
diff --git a/docs/Application_guide/en/solutions/xiaozhi_AI/dev_resources.md b/docs/Application_guide/en/solutions/xiaozhi_AI/dev_resources.md
index 2a4a5b8a21f235c62832e3d9e6d1d159f6973883..792dd0b68817271e4161046d99d939dd339328e0 100644
--- a/docs/Application_guide/en/solutions/xiaozhi_AI/dev_resources.md
+++ b/docs/Application_guide/en/solutions/xiaozhi_AI/dev_resources.md
@@ -25,7 +25,7 @@
 - VSCode
   - Download: [VSCode](https://gitee.com/link?target=https%3A%2F%2Fcode.visualstudio.com%2F)
 
-##  Source Code
+##  Source code
 
 - The steps to obtain the source code from the Github repository are as follows：
   ```bash
diff --git a/docs/Application_guide/en/solutions/xiaozhi_AI/quick_start.md b/docs/Application_guide/en/solutions/xiaozhi_AI/quick_start.md
index 8ba433a3387e47ac8e5cae5d7eb6532dd94640eb..db0aa26428ea8193d2abce1a96d4dad2c296a465 100644
--- a/docs/Application_guide/en/solutions/xiaozhi_AI/quick_start.md
+++ b/docs/Application_guide/en/solutions/xiaozhi_AI/quick_start.md
@@ -1,4 +1,4 @@
-# Quick Start
+# Quick start
 
 ## Hardware preparation
 
diff --git a/docs/Application_guide/en/solutions/xiaozhi_AI/software_design.md b/docs/Application_guide/en/solutions/xiaozhi_AI/software_design.md
index f159d3b1a024830591f45e299692263e1928cd00..afe50b5341a0c66506a3c51437ef1714a7a1852c 100644
--- a/docs/Application_guide/en/solutions/xiaozhi_AI/software_design.md
+++ b/docs/Application_guide/en/solutions/xiaozhi_AI/software_design.md
@@ -1,4 +1,4 @@
-# Software Design
+# Software design
 
 ## Software framework
 
@@ -10,7 +10,7 @@
 
 <img src="../../media/solutions/xiaozhi_AI/flow.png" style="zoom:100%;" />
 
-## Code Explanation
+## Code explanation
 
 ### AI wake-up & Human voice detection
 
diff --git a/docs/Application_guide/en/solutions/xiaozhi_AI_mqtt/README.md b/docs/Application_guide/en/solutions/xiaozhi_AI_mqtt/README.md
index cf8e556ec597166e989136b7187ebcb91b09cb19..b0a08ea3cc2ff3bbdaa8e5088d05e763c2ca8059 100644
--- a/docs/Application_guide/en/solutions/xiaozhi_AI_mqtt/README.md
+++ b/docs/Application_guide/en/solutions/xiaozhi_AI_mqtt/README.md
@@ -1,4 +1,4 @@
-# Xiaozhi AI Chatbot Based on MQTT + UDP
+# Xiaozhi AI chatbot based on MQTT + UDP
 
 The Xiaozhi AI chatbot solution has the following features:
 
diff --git a/docs/Application_guide/en/solutions/xiaozhi_AI_mqtt/dev_resources.md b/docs/Application_guide/en/solutions/xiaozhi_AI_mqtt/dev_resources.md
index 738240673467addbf8d1ed689f322419ea3edb94..6b5e9837657491c6e567c711f932887528e54f65 100644
--- a/docs/Application_guide/en/solutions/xiaozhi_AI_mqtt/dev_resources.md
+++ b/docs/Application_guide/en/solutions/xiaozhi_AI_mqtt/dev_resources.md
@@ -1,6 +1,6 @@
-# Summary of Development Resources
+# Summary of development resources
 
-## Hardware Information
+## Hardware information
 
 - EC800MCNLE development board (including antenna, Type-C data cable, etc.)
 
@@ -12,12 +12,12 @@
 
 - A 3.7V polymer lithium battery
 
-## Software Information
+## Software information
 
 - USB driver for QuecPython module: [QuecPython_USB_Driver_Win10_ASR](https://developer.quectel.com/wp-content/uploads/2024/09/Quectel_Windows_USB_DriverA_Customer_V1.1.13.zip)
 - [QuecPython firmware](../../media/solutions/xiaozhi_AI_mqtt/EC800MCNLER06A01M08_OCPU_QPY_TEST0810.zip)
 
-## Development Tools
+## Development tools
 
 - QPYcom - QuecPython debugging tool
   - Version: V3.9.0
@@ -25,7 +25,7 @@
 - VSCode - Code editor
   - Download [VSCode](https://code.visualstudio.com/)
 
-## Experimental Source Code
+## Experimental source code
 
 - Steps to obtain the source code from the Github repository:
 
diff --git a/docs/Application_guide/en/solutions/xiaozhi_AI_mqtt/quick_start.md b/docs/Application_guide/en/solutions/xiaozhi_AI_mqtt/quick_start.md
index 801765e246e5d8907d42fde4bea5ef56b0515d40..adbbe701a4448d9f8d6772932676f3a5b97a2076 100644
--- a/docs/Application_guide/en/solutions/xiaozhi_AI_mqtt/quick_start.md
+++ b/docs/Application_guide/en/solutions/xiaozhi_AI_mqtt/quick_start.md
@@ -1,13 +1,13 @@
-# Quick Start
+# Quick start
 
-## Hardware Preparation
+## Hardware preparation
 
 - A Windows computer, preferably with the `Win10` system.
 - One set of [EC800MCNLE development board](https://www.quecmall.com/goods-detail/2c90800c9488358b0195efe4c2020409) (including antenna, Type-C data cable, etc.).
 - A properly functioning SIM card.
 - A speaker with a power of 2-5W.
 
-## Environment Setup
+## Environment setup
 
 - Download and install the EC800M series module driver: [QuecPython_USB_Driver_Win10_ASR](https://developer.quectel.com/wp-content/uploads/2024/09/Quectel_Windows_USB_DriverA_Customer_V1.1.13.zip).
 - Download and install [VSCode](https://code.visualstudio.com/).
@@ -15,7 +15,7 @@
 - [Download the firmware package](../../media/solutions/xiaozhi_AI_mqtt/EC800MCNLER06A01M08_OCPU_QPY_TEST0810.zip).
 - Download the [experimental source code](https://codeload.github.com/QuecPython/AIChatbot-Xiaozhi-Mqtt/zip/refs/heads/main).
 
-## Hardware Connection
+## Hardware connection
 
 Make hardware connections according to the following diagram:
 
@@ -28,7 +28,7 @@ Make hardware connections according to the following diagram:
 5. Connect the battery in the position shown in the diagram. Connect the speaker to the pin headers marked `SPK+` and `SPK-` in the diagram.
 6. Connect the LCD screen.
 
-## Device Development
+## Device development
 
 ### Power On
 
@@ -46,7 +46,7 @@ Refer to [this chapter](https://developer.quectel.com/doc/quecpython/Application
 2. Refer to [this chapter](https://developer.quectel.com/doc/quecpython/Getting_started/en/4G/first_python.html#Run-Script) to execute the main program file `_main.py`.
 3. Refer to [this chapter](https://developer.quectel.com/doc/quecpython/Getting_started/en/4G/first_python.html#Stop-a-Running-Program) to stop the program.
 
-## Business Debugging
+## Business debugging
 
 ### Program Startup
 
diff --git a/docs/Application_guide/en/solutions/xiaozhi_AI_mqtt/software_design.md b/docs/Application_guide/en/solutions/xiaozhi_AI_mqtt/software_design.md
index c53f2f8abccc76a8727472b5c5fda42e82c8ecd4..271745054a295564249dfeaddf644d215f436deb 100644
--- a/docs/Application_guide/en/solutions/xiaozhi_AI_mqtt/software_design.md
+++ b/docs/Application_guide/en/solutions/xiaozhi_AI_mqtt/software_design.md
@@ -1,6 +1,6 @@
-# Software Design Explanation
+# Software design explanation
 
-## Software Framework
+## Software framework
 
 ### Scheme Framework
 
@@ -10,7 +10,7 @@
 
 <img src="../../media/solutions/xiaozhi_AI_mqtt/flow.png" style="zoom: 100%;" />
 
-## Code Explanation
+## Code explanation
 
 ### Application Class Initialization