diff --git a/Software/Applications/I2C/Linux_下_I2C_工具.md b/Software/Applications/I2C/Linux_下_I2C_工具.md
index 348c7ef..3a2663b 100644
--- a/Software/Applications/I2C/Linux_下_I2C_工具.md
+++ b/Software/Applications/I2C/Linux_下_I2C_工具.md
@@ -2,9 +2,11 @@
 
 ```bash
 # 检测 I2C 设备
-i2cdetect -r -y <bus num>
+i2cdetect -y -r <bus num>
 # 设置 I2C 设备寄存器值
-i2cset -f -y <bus num> <dev addr> <reg addr> <value>
+i2cset -f -y <bus num> <dev addr> <reg addr> <value>...[c/b/w/i/s]
+# 读取 I2C 设备寄存器的值
+i2cget -f -y <bus num> <dev addr> [reg addr[b/w/c]]
 # Dump I2C 设备寄存器
-i2cdump -f -y <bus num> <dev addr>
+i2cdump -f -y <bus num> <dev addr> [b/w/W/s/i/c]
 ```