diff --git a/docs/Advanced_development/en/QuecPythonSub/Photoresistor.md b/docs/Advanced_development/en/QuecPythonSub/Photoresistor.md
index a515bdf10d0c3c53c0f9b0895aebe095bcdebd9c..6b692148d58363bcab4728e20b66079b2e085f31 100644
--- a/docs/Advanced_development/en/QuecPythonSub/Photoresistor.md
+++ b/docs/Advanced_development/en/QuecPythonSub/Photoresistor.md
@@ -8,7 +8,7 @@
 
 ## Photosensitive sensor experiment
 
-This article mainly introduces ec600s ADC hardware resources (similar to other modules) and [quecpthon ADC API](https://python.quectel.com/wiki/#/zh-cn/api/QuecPythonClasslib?id=adc)，以及使用ADC来检测当前光敏电阻的阻值。
+This article mainly introduces ec600s ADC hardware resources (similar to other modules) and [QuecPython ADC API](https://python.quectel.com/wiki/#/en-us/api/QuecPythonClasslib?id=adc)，and uses the ADC to detect the resistance of the current photosensitive resistor.
 
 ### Hardware resources
 
@@ -53,7 +53,7 @@ The integer 0 is returned successfully, and the integer - 1 is returned in case
 
 #### Read voltage value – read
 
-Read the voltage value of the specified channel, in MV.
+Read the voltage value of the specified channel, in mV.
 
 parameter
 
@@ -107,7 +107,7 @@ Finally, the R22 resistance can be calculated according to the following formula
 
 #### Experimental code
 
- < a href = "code / photoresistor. Py" target = "_blank" > download the code</a>
+ <a href = "code / photoresistor. Py" target = "_blank" > download the code</a>
 
 ```python
 '''
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