diff --git a/docs/en/app/lidarbot.md b/docs/en/app/lidarbot.md
index 76257a26..9cf7fda8 100644
--- a/docs/en/app/lidarbot.md
+++ b/docs/en/app/lidarbot.md
@@ -44,10 +44,10 @@ If you are interest in AGV development, We especially encourage you to modify th
- The size of LidarBot: 142mm x 117mm x 120mm
- Communication Parameter
- M5Core <-> Lidar
- (**U1RXD**(GPIO16) <-> Lidar sensor)
+ (U1RXD(GPIO16) <-> Lidar sensor)
Serial Configuration: "230400bps, 8, n, 1"(8 bits data, no parity, 1 stop bit)
- M5Core <-> Bottom Board
- (**U2TXD**(GPIO17) <-> Bottom Board)
+ (U2TXD(GPIO17) <-> Bottom Board)
Serial Configuration: "115200bps, 8, n, 1"(8 bits data, no parity, 1 stop bit)
- PinMap
- ServoMotor0 <-> A0(MEGA328)
diff --git a/docs/en/hat/hat-env.md b/docs/en/hat/hat-env.md
index 3e4faa43..46ce39d9 100644
--- a/docs/en/hat/hat-env.md
+++ b/docs/en/hat/hat-env.md
@@ -16,15 +16,12 @@
- temperature:
- Range: -20 ~ 60 ℃
- - Error: ±0.2℃
- Humidity:
- Range: 20 ~ 95 %RH
- - Error: 0.1%
- Air pressure:
- Range: 300 ~ 1100hPa
- - Error: ±1hPa
-Typical Magnetic Field:
+- Typical Magnetic Field:
- ±1300μT(x,y-axis),±2500μT(z-axis)
- magnetic field resolution: 0.3μT
diff --git a/docs/en/hat/hat-pir.md b/docs/en/hat/hat-pir.md
index 81af2295..d47d9f3d 100644
--- a/docs/en/hat/hat-pir.md
+++ b/docs/en/hat/hat-pir.md
@@ -16,7 +16,7 @@
## Product Feature
-- Detecting Range: 150cm
+- Detecting Range: 500cm
- Delay time: 2s
- Induction Angle: < 100°
- IDDQ : < 60uA
diff --git a/docs/en/hat/hat-proto.md b/docs/en/hat/hat-proto.md
index 130c2153..ef32fb1c 100644
--- a/docs/en/hat/hat-proto.md
+++ b/docs/en/hat/hat-proto.md
@@ -15,7 +15,7 @@ PINs on top of the device is ported out for building more connections.
For example, since m5stickc have less hardware resource than m5stack, we can make it up with this HAT module, if you want to add more buttons, you do it with PROTO_HAT.
-
+
## Product Features
diff --git a/docs/en/unit/rfid.md b/docs/en/unit/rfid.md
index 87604d58..851405ef 100644
--- a/docs/en/unit/rfid.md
+++ b/docs/en/unit/rfid.md
@@ -16,7 +16,6 @@ It is able tp establish applications such as access control system, punching sys
Connect this Unit to GROVE PORTA on M5Core, IIC adress is 0x28.
-
## Product Features
@@ -109,7 +108,7 @@ void ShowReaderDetails() {
}
```
-
+
### 2. UIFlow
diff --git a/docs/en/unit/rgb.md b/docs/en/unit/rgb.md
index 4685b289..414778a9 100644
--- a/docs/en/unit/rgb.md
+++ b/docs/en/unit/rgb.md
@@ -1,6 +1,6 @@
# Unit RGB {docsify-ignore-all}
-
+
***
diff --git a/docs/zh_CN/README.md b/docs/zh_CN/README.md
index 77459481..baa4baf0 100644
--- a/docs/zh_CN/README.md
+++ b/docs/zh_CN/README.md
@@ -919,13 +919,6 @@
-
- BUTTERFLY
- -
+ BUTTERFLY
+ +