diff --git a/English Documents/main document.md b/English Documents/main document.md
index e9873d7..4ebda9f 100644
--- a/English Documents/main document.md	
+++ b/English Documents/main document.md	
@@ -115,10 +115,19 @@ Now, you can control the z-axis movement and bring the nozzle close to the bed (
 (note that it's different from the previous command).  
 Execute `idm_calibrate`. In the offset control box, click -0.1 for offset and confirm. It will automatically calibrate.
 
-If, after calibration, you encounter
-
- issues like not zeroing after a restart or reporting "no model," there might be a format error in your configuration file's auto-generated configuration. Correct the format.
-
+If, after calibration, you encounter issues like not zeroing after a restart or reporting "no model,"   
+there might be a format error in your configuration file's auto-generated configuration. Correct the format.
+#### If you are using high power AC heater pad(over 500W)
+you had better add this macro to avoid AC interference  
+```
+[gcode_macro BED_MESH_CALIBRATE]
+rename_existing: _BED_MESH_CALIBRATE
+gcode:
+    {% set TARGET_TEMP = printer.heater_bed.target %}
+    M140 S0
+    _BED_MESH_CALIBRATE {rawparams}
+    M140 S{TARGET_TEMP}
+```
 For 4Z machines like VORON2.4, add the following configuration to the file:
 ```ini
 [gcode_macro QUAD_GANTRY_LEVEL]
diff --git a/中文教程/教程.md b/中文教程/教程.md
index 2c669ce..24937c3 100644
--- a/中文教程/教程.md
+++ b/中文教程/教程.md
@@ -106,6 +106,17 @@ bed_mesh中的zero_reference_position不要配置
 弹出的偏移控制框，请点击-0.1的偏移后确认，会自动进行校准  
 如果校准后重启之后，无法归零，报错no model，那么你的配置文件的自动生成配置格式错误，请修正格式。  
 
+#### 如果你使用的是大功率`交流`热床(500W以上)
+最好配置以下宏来避免热床对扫床产生干扰  
+```
+[gcode_macro BED_MESH_CALIBRATE]
+rename_existing: _BED_MESH_CALIBRATE
+gcode:
+    {% set TARGET_TEMP = printer.heater_bed.target %}
+    M140 S0
+    _BED_MESH_CALIBRATE {rawparams}
+    M140 S{TARGET_TEMP}
+```
 如果你的机器是诸如VORON2.4这样的4z机器，请加入以下配置到配置文件中
 ```
 [gcode_macro QUAD_GANTRY_LEVEL]