modify image of board

docs/doc/board/README.md

@@ -4,14 +4,14 @@
 
 ## ARM
 
-* [stm32f407-st-discovery](/doc/board/stm32f407-st-discovery.md)
+* [STM32F407-ST-DISCOVERY](/doc/board/stm32f407-st-discovery.md)
 
-* [stm32f407zgt6](/doc/board/stm32f407zgt6.md)
+* [STM32F407ZGT6](/doc/board/stm32f407zgt6.md)
 
 ## RISC-V
 
-* [hifive1-re](/doc/board/hifive1-rev.md)
+* [HIFIVE1-REV-B](/doc/board/hifive1-rev.md)
 
-* [maxgo](/doc/board/maxg.md)
+* [MAXGO](/doc/board/maxgo.md)
 
-* [kd233](/doc/board/kd233.md)
+* [KD233](/doc/board/kd233.md)

docs/doc/board/maxgo.md

@@ -1,12 +1,13 @@
 # RISC-V MAXGO
 ## 综述
-<div class ="tablebox_maxgo">
-<div class="imgbox">
-<img src="" alt="maxgo"/>
-</div>
+
+<center>
+<img src="./imagesrc/maxgo1.png" alt="maxgo"/>
 <p>MAXGO</p>
-    <span>XiUOS最新分支支持MAXGO开发板，该开发板作为一种标准的板子，支持各种上层组件和应用程序。</span>
-</div>
+</center>
+
+<span>XiUOS最新分支支持MAXGO开发板，该开发板作为一种标准的板子，支持各种上层组件和应用程序。</span>
+
 
 ## 硬件特点
 + 性能

docs/doc/board/stm32f407-st-discovery.md

@@ -1,4 +1,4 @@
-# stm32f407-st-discovery
+# STM32F407-ST-DISCOVERY
 ## 综述
 <div class ="tablebox">
 <div class="imgbox">

docs/doc/board/stm32f407zgt6.md

@@ -1,7 +1,7 @@
-# stm32f407zgt6
+# STM32F407ZGT6
 ## 综述
 <div class ="tablebox1">
-<img src="https://raw.githubusercontent.com/yanyannew/images/branch/stm32f407zgt6.png"/>
+<img src="./imagesrc/stm32f407zgt6.png"/>
 <p>STM32F407ZET6</p>
     <span>XiUOS最新分支支持stm32f407zgt6开发板，该开发板作为一种标准的板子，支持各种上层组件和应用程序。</span>
 </div>