diff --git a/common/i2c.c b/common/i2c.c
index 80fb2690c..ad0f8964c 100644
--- a/common/i2c.c
+++ b/common/i2c.c
@@ -26,7 +26,7 @@
 
 volatile unsigned long c;
 
-// 直接使用循环来延时，一个循环 6 条指令，48M， Delay=1 大概为 200kbps
+// 鐩存帴浣跨敤寰幆鏉ュ欢鏃讹紝涓�涓惊鐜� 6 鏉℃寚浠わ紝48M锛� Delay=1 澶ф涓� 200kbps
 // timer.
 // I2CSpinDelayClk(4) = 12.31us
 // I2CSpinDelayClk(1) = 3.07us
@@ -467,8 +467,7 @@ int16_t I2C_BufferRead(uint8_t *data, uint8_t len, uint8_t device_cmd, uint8_t d
         *data = (uint8_t)tmp & 0xFF;
 
         len--;
-
-        // 读取的第一个字节为后续长度
+        // 璇诲彇鐨勭涓�涓瓧鑺備负鍚庣画闀垮害
         // The first byte in response is the message length
         if (!readcount && (len > *data)) {
             len = *data;