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diff --git a/docs/en/quick_start/timer_cam/quick_start_cameratool.md b/docs/en/quick_start/timer_cam/quick_start_cameratool.md
index c5950474..7b5bd7d0 100644
--- a/docs/en/quick_start/timer_cam/quick_start_cameratool.md
+++ b/docs/en/quick_start/timer_cam/quick_start_cameratool.md
@@ -55,6 +55,21 @@
 
 <img src="assets\img\quick_start\timer_cam\camera_tool_07.webp">
 
+
+## APP
+
+>In network mode, you can also use the mobile version of the APP to take pictures and view monitoring
+
+<div class="files_download">
+   <p class="item">
+      <a href="https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/software/TimerCAM-App-Android.apk">
+      <img src="/image/base/Windows_logo.webp" width="50">
+      <span class="item-title">Android</span>
+      </a>
+   </p>
+</div>
+
+
 <script>
    anchor_search();
    scrollFunc();
diff --git a/docs/en/quick_start/unitv/v_function.md b/docs/en/quick_start/unitv/v_function.md
index 5ebed08b..ae8c64d3 100644
--- a/docs/en/quick_start/unitv/v_function.md
+++ b/docs/en/quick_start/unitv/v_function.md
@@ -29,6 +29,8 @@ V-Function is a series of **visual recognition** functional firmware developed b
         <el-tag onclick="page_move('barcode')">BarCode</el-tag>
         <el-tag onclick="page_move('datamatrixcode')">DatamatrixCode</el-tag>
         <el-tag onclick="page_move('apriltagcode')">ApriltagCode</el-tag>
+        <el-tag onclick="page_move('tag-reader')">Tag Reader</el-tag>
+        <el-tag onclick="page_move('line-tracker')">Line Tracker</el-tag>
     </div>
 </el-card>
 
@@ -598,6 +600,157 @@ V-Function is a series of **visual recognition** functional firmware developed b
 }
 ```
 
+
+
+### Tag Reader
+
+>Detect the label card of the screen and return the binary sequence。
+
+<img src="assets\img\quick_start\v_function\tag_reader.webp" width="30%"> 
+
+>Program block introduction
+
+- `init`
+   + initialization
+
+- `Get total number`
+   + Number of tag cards recognized on the current screen
+
+- `Get binstr`
+   + The binary data string of the recognition result. When there are multiple cards, the predetermined subscript replaces the different card content.
+
+- `Get code`
+   + The content binary code of the uint64_t type, the maximum encoding of this key is 64-bit (8 x 8) TAG.
+
+- `Get tag location
+   + Coordinates and length and width information of the label card
+
+
+```
+00000000      00000000              
+00111100      00@@@@00        @@@@  
+01000010      0@0000@0       @    @ 
+01000010  ->  0@0000@0  ->   @    @ 
+01011010      0@0@@0@0       @ @@ @ 
+01000010      0@0000@0       @    @ 
+01000010      0@0000@0       @    @ 
+00000000      00000000              
+
+```
+
+
+>Program example: Identify card information and display it on the screen
+
+<img src="assets\img\quick_start\v_function\tag_reader_example_01.webp" width="50%">
+
+
+### Tag Reader-Packet format
+
+#### Receive JSON
+
+```
+{
+    "FUNC": "TAG READER V2.0",
+    "TOTAL": 1,
+    "0": {
+        "x": 113,
+        "y": 65,
+        "w": 117,
+        "h": 105,
+        "p0x": 113, // p0x ~ p3y: TAG Coordinates of 4 vertices
+        "p0y": 77,
+        "p1x": 211,
+        "p1y": 65,
+        "p2x": 230,
+        "p2y": 156,
+        "p3x": 127,
+        "p3y": 170,
+        "rotation": 8, // Relative rotation angle of TAG
+        "rows": 8, // Number of TAG lines (this value does not include positioning boxes)
+        "columns": 8, // The number of TAG columns (this value does not include the positioning box)
+        "size": 64, // TAG data length of the actual content, the value = the number of rows of the content * the number of columns of the content = (rows) * (columns)
+        "code": "0x003C42425A424200", // The content binary code of uint64_t type, the maximum encoding of this key is 64-bit (8 x 8) TAG
+        "binstr": "0000000000111100010000100100001001011010010000100100001000000000" //The string form of binary data, this key value can encode TAG of any length and width
+    }
+}
+
+
+```
+
+### Line Tracker
+
+>Detect the specified color line in the screen and return the offset angle.
+
+<img src="assets\img\quick_start\v_function\line_tracker.webp" width="30%"> 
+
+>Program block introduction
+
+- `init`
+   + initialization
+
+- `Get angle`
+   + Get line offset angle
+
+- `Set color by L-min L-max A-min A-max B-min B-max`
+   + Set the LAB threshold for tracking (the color value of the LAB color space, colors outside this range will be filtered)
+
+- `Get code`
+   + The content binary code of the uint64_t type, the maximum encoding of this key is 64-bit (8 x 8) TAG.
+
+- `Set line area weight0 weight1 weight2`
+   + Set the weight of the line area: the three weights correspond to the contribution of the three areas in the figure to the angle. For example, if the value of weight_2 is set larger, the angle will change more drastically when turning.
+
+<img src="assets\img\quick_start\v_function\line_tracker_03.webp"> 
+
+#### Set LAB threshold
+
+>Refer to the method of using the LAB color picking tool in the `color tracking` function above, shoot the lines and scenes that need to be tracked, and record the LAB values ​​generated below, and configure and use them in UIFlow.
+
+<img src="assets\img\quick_start\v_function\line_tracker_02.webp" width="50%">
+
+>Program example: Obtain the line offset angle and display it on the screen
+
+<img src="assets\img\quick_start\v_function\line_tracker_example_01.webp" width="50%">
+
+<img src="assets\img\quick_start\v_function\line_tracker_example_02.webp" width="50%">
+
+
+### Line Tracker-Packet format
+
+#### Receive JSON
+
+```
+{
+    "FUNC": "LINE TRACKER V1.0",
+    "angle": 3.8593475818634033 //Angle of car turning
+}
+
+```
+
+#### Send JSON
+
+```
+{
+    "LINE  TRACKER": 1.0, //Function mark, not default
+    "thr_w": 20, //Can be default bounding box width threshold，[3,200]
+    "thr_h": 20, //Can be the default bounding box length threshold, [3,200]
+    "stepx": 1, //can default X scan interval, [0, 40], set to 0 to turn off bounding box detection
+    "stepy": 2, //Y scan interval can be defaulted, [0, 40], set to 0 to turn off bounding box detection
+    "merge": 10, //default bounding box merge threshold, [0, 40]
+    "Lmin": 0, //The lower limit of L threshold can be defaulted [0, 100]
+    "Lmax": 0, //The upper limit of L threshold can be defaulted [0, 100]
+    "Amin": 0, //The lower limit of A threshold can be defaulted [0, 255]
+    "Amax": 0, //The upper limit of A threshold can be defaulted [0, 255]
+    "Bmin": 0, //Default B threshold lower limit [0, 255]
+    "Bmax": 0, //The upper limit of B threshold can be defaulted [0, 255]
+    "weight_0": 0.1, // default weight
+    "weight_1": 0.3, // default weight
+    "weight_2": 0.7 // Default weight
+}
+
+```
+
+
 ## More Information
 
 <a href="https://github.com/m5stack/Vfunction"><el-button type="primary">Github</el-button></a>
\ No newline at end of file
diff --git a/docs/zh_CN/quick_start/timer_cam/quick_start_cameratool.md b/docs/zh_CN/quick_start/timer_cam/quick_start_cameratool.md
index 467b6776..caeb3932 100644
--- a/docs/zh_CN/quick_start/timer_cam/quick_start_cameratool.md
+++ b/docs/zh_CN/quick_start/timer_cam/quick_start_cameratool.md
@@ -54,6 +54,20 @@
 
 <img src="assets\img\quick_start\timer_cam\camera_tool_07.webp">
 
+
+## 手机版APP
+
+>网络模式下，还可以使用手机版APP进行图片拍摄与查看监控
+
+<div class="files_download">
+   <p class="item">
+      <a href="https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/software/TimerCAM-App-Android.apk">
+      <img src="/image/base/Windows_logo.webp" width="50">
+      <span class="item-title">Android</span>
+      </a>
+   </p>
+</div>
+
 <script>
    anchor_search();
    scrollFunc();
diff --git a/docs/zh_CN/quick_start/unitv/v_function.md b/docs/zh_CN/quick_start/unitv/v_function.md
index 0280770b..0c8e6d1e 100644
--- a/docs/zh_CN/quick_start/unitv/v_function.md
+++ b/docs/zh_CN/quick_start/unitv/v_function.md
@@ -29,6 +29,8 @@ V-Function是由M5Stack团队针对V系列设备开发的多个**视觉识别**
         <el-tag onclick="page_move('条形码识别')">条形码识别</el-tag>
         <el-tag onclick="page_move('datamatrix码识别')">Datamatrix码识别</el-tag>
         <el-tag onclick="page_move('apriltag码识别')">Apriltag码识别</el-tag>
+        <el-tag onclick="page_move('自定义标签识别')">自定义标签识别</el-tag>
+        <el-tag onclick="page_move('巡线')">巡线</el-tag>
     </div>
 </el-card>
 
@@ -596,6 +598,158 @@ V-Function是由M5Stack团队针对V系列设备开发的多个**视觉识别**
 }
 ```
 
+
+### 自定义标签识别
+
+>检测画面种的标签卡，并返回二进制序列。
+
+<img src="assets\img\quick_start\v_function\tag_reader.webp" width="30%"> 
+
+>程序块介绍
+
+- `init`
+   + 初始化
+
+- `Get total number`
+   + 当前画面识别到的标签卡数量
+
+- `Get binstr`
+   + 识别结果的二进制数据的字符串，当有多个卡片时，传入下标可选择不同的卡片内容。
+
+- `Get code`
+   + uint64_t类型的内容二进制代码，本键值最大编码64位（8 x 8）的TAG。
+
+- `Get tag location
+   + 标签卡的坐标与长宽信息
+
+
+```
+00000000      00000000              
+00111100      00@@@@00        @@@@  
+01000010      0@0000@0       @    @ 
+01000010  ->  0@0000@0  ->   @    @ 
+01011010      0@0@@0@0       @ @@ @ 
+01000010      0@0000@0       @    @ 
+01000010      0@0000@0       @    @ 
+00000000      00000000              
+
+```
+
+
+>程序案例：识别卡片信息，并显示在屏幕上
+
+<img src="assets\img\quick_start\v_function\tag_reader_example_01.webp" width="50%">
+
+
+### 自定义标签识别-数据包格式
+
+#### 回传JSON
+
+```
+{
+    "FUNC": "TAG READER V2.0",
+    "TOTAL": 1,
+    "0": {
+        "x": 113,
+        "y": 65,
+        "w": 117,
+        "h": 105,
+        "p0x": 113, // p0x ~ p3y: TAG 4个顶点的坐标
+        "p0y": 77,
+        "p1x": 211,
+        "p1y": 65,
+        "p2x": 230,
+        "p2y": 156,
+        "p3x": 127,
+        "p3y": 170,
+        "rotation": 8, // TAG 的相对旋转角度
+        "rows": 8, // TAG 的行数（本数值不含定位框）
+        "columns": 8, // TAG 的列数（本数值不含定位框）
+        "size": 64, // TAG 实际内容的数据长度，该值 = 内容的行数 * 内容的列数 = (rows) * (columns)
+        "code": "0x003C42425A424200", // uint64_t类型的内容二进制代码，本键值最大编码64位（8 x 8）的TAG
+        "binstr": "0000000000111100010000100100001001011010010000100100001000000000" //二进制数据的字符串形式，本键值可以编码任意长宽的TAG
+    }
+}
+
+
+```
+
+### 巡线
+
+>检测画面中指定的颜色线条，并返回偏移角度。
+
+<img src="assets\img\quick_start\v_function\line_tracker.webp" width="30%"> 
+
+>程序块介绍
+
+- `init`
+   + 初始化
+
+- `Get angle`
+   + 获取线条偏移角度
+
+- `Set color by L-min L-max A-min A-max B-min B-max`
+   + 设置追踪的LAB阈值(LAB颜色空间的颜色值，在该范围外的颜色将会被过滤)
+
+- `Get code`
+   + uint64_t类型的内容二进制代码，本键值最大编码64位（8 x 8）的TAG。
+
+- `Set line area weight0 weight1 weight2`
+   + 设置线条区域权重：三个权重分别对应图中三个区域对角度的贡献值。比如把weight_2的值设置的大一些，则当转弯时角度变化将更加剧烈。
+
+<img src="assets\img\quick_start\v_function\line_tracker_03.webp"> 
+
+#### 设置LAB阈值
+
+>参考上方`颜色追踪`功能中的LAB取色工具的使用方法，拍摄需要巡线的线条与场景，并记录下方生成的LAB数值，在UIFlow中配置使用。
+
+<img src="assets\img\quick_start\v_function\line_tracker_02.webp" width="50%">
+
+>程序案例：获取线条偏移角度，并显示在屏幕上
+
+<img src="assets\img\quick_start\v_function\line_tracker_example_01.webp" width="50%">
+
+<img src="assets\img\quick_start\v_function\line_tracker_example_02.webp" width="50%">
+
+
+### 巡线-数据包格式
+
+#### 回传JSON
+
+```
+{
+    "FUNC": "LINE TRACKER V1.0",
+    "angle": 3.8593475818634033 //小车转弯的角度
+}
+
+```
+
+#### 设置JSON
+
+```
+{
+    "LINE  TRACKER": 1.0, //功能标记，不可缺省
+    "thr_w": 20, //可缺省 边界框宽阈值，[3,200]
+    "thr_h": 20, //可缺省 边界框长阈值，[3,200]
+    "stepx": 1, //可缺省 X扫描间隔，[0, 40]，设置为0则关闭边界框检测
+    "stepy": 2, //可缺省 Y扫描间隔，[0, 40]，设置为0则关闭边界框检测
+    "merge": 10, //可缺省 边界框合并阈值，[0, 40]
+    "Lmin": 0, //可缺省 L阈值下限 [0, 100]
+    "Lmax": 0, //可缺省 L阈值上限 [0, 100]
+    "Amin": 0, //可缺省 A阈值下限 [0, 255]
+    "Amax": 0, //可缺省 A阈值上限 [0, 255]
+    "Bmin": 0, //可缺省 B阈值下限 [0, 255]
+    "Bmax": 0, //可缺省 B阈值上限 [0, 255]
+    "weight_0": 0.1, // 可缺省 权重
+    "weight_1": 0.3, // 可缺省 权重
+    "weight_2": 0.7  // 可缺省 权重
+}
+
+```
+
+
+
+
 ## 更多内容
 
 <a href="https://github.com/m5stack/Vfunction"><el-button type="primary">Github</el-button></a>