diff --git a/docs/en/arduino/arduino_development.md b/docs/en/arduino/arduino_development.md
index 093262b0..85d63b11 100644
--- a/docs/en/arduino/arduino_development.md
+++ b/docs/en/arduino/arduino_development.md
@@ -38,10 +38,8 @@ Note: M5StickC / V / T / ATOM series support can be used without driver, users c
 
 ><img src="/image/base/CP210X_install.gif " width="70%">
 
-
 ## Arduino-IDE
 
-
 >[Click here to visit Arduino's official website](https://www.arduino.cc/en/Main/Software),Select the installation package for your own operating system to download.
 
 <img src="assets/img/related_documents/Arduino_IDE/Arduino_install.jpg">
diff --git a/docs/zh_CN/core/gray.md b/docs/zh_CN/core/gray.md
index 3e3ea238..9a121362 100644
--- a/docs/zh_CN/core/gray.md
+++ b/docs/zh_CN/core/gray.md
@@ -63,7 +63,7 @@
    </tr>
    <tr>
       <td>Flash闪存</td>
-      <td>16MB (旧: 4MB)</td>
+      <td>16MB</td>
    </tr>
    <tr>
       <td>输入电压</td>