diff --git a/.vscode/arduino.json b/.vscode/arduino.json
new file mode 100644
index 0000000..093603f
--- /dev/null
+++ b/.vscode/arduino.json
@@ -0,0 +1,5 @@
+{
+    "configuration": "PSRAM=disabled,PartitionScheme=default,CPUFreq=240,FlashMode=qio,FlashFreq=80,FlashSize=4M,UploadSpeed=921600,LoopCore=1,EventsCore=1,DebugLevel=none",
+    "board": "esp32:esp32:esp32",
+    "sketch": "spi_test.ino"
+}
\ No newline at end of file
diff --git a/src/W25QXXArduino/w25qxx.cpp b/src/W25QXXArduino/w25qxx.cpp
index adbbacf..53919e0 100644
--- a/src/W25QXXArduino/w25qxx.cpp
+++ b/src/W25QXXArduino/w25qxx.cpp
@@ -259,6 +259,33 @@ void W25QXX_Write_Page(uint8_t* pBuffer,uint32_t WriteAddr,uint16_t NumByteToWri
     W25QXX_CS1;                            //取消片选
     W25QXX_Wait_Busy();					   //等待写入结束
 }
+/**
+ * @brief 只能写入一页的数据，刚好256字节.
+ * 
+ * @param pBuffer 待写入的数据256字节
+ * @param WriteAddr flash的首地址，确保是页的开头地址。
+ * @return uint8_t 错误返回1，完成返回0
+ */
+uint8_t W25QXX_Write_Page_Only(uint8_t* pBuffer,uint16_t WriteAddr){
+    uint16_t i;
+    if ((WriteAddr%256)!=0){
+        return 1;    //要写入的地址不是页首地址就直接返回
+    }
+    W25QXX_Write_Enable();                  //SET WEL
+    W25QXX_CS0;                            //使能器件
+    SPI1_ReadWriteByte(W25X_PageProgram);   //发送写页命令
+    if(W25QXX_TYPE==W25Q256)                //如果是W25Q256的话地址为4字节的，要发送最高8位
+    {
+        SPI1_ReadWriteByte((uint8_t)((WriteAddr)>>24));
+    }
+    SPI1_ReadWriteByte((uint8_t)((WriteAddr)>>16)); //发送24bit地址
+    SPI1_ReadWriteByte((uint8_t)((WriteAddr)>>8));
+    SPI1_ReadWriteByte((uint8_t)WriteAddr);
+    SPI.writeBytes(pBuffer,256);   //写256个数据
+    W25QXX_CS1;                            //取消片选
+    W25QXX_Wait_Busy();					   //等待写入结束
+    return 0;
+}
 //无检验写SPI FLASH
 //必须确保所写的地址范围内的数据全部为0XFF,否则在非0XFF处写入的数据将失败!
 //具有自动换页功能
diff --git a/src/W25QXXArduino/w25qxx.h b/src/W25QXXArduino/w25qxx.h
index c006517..0dbcf5e 100644
--- a/src/W25QXXArduino/w25qxx.h
+++ b/src/W25QXXArduino/w25qxx.h
@@ -89,3 +89,4 @@ void W25QXX_Erase_Sector(uint32_t Dst_Addr);	//
 void W25QXX_Wait_Busy(void);           	//等待空闲
 void W25QXX_PowerDown(void);        	//进入掉电模式
 void W25QXX_WAKEUP(void);				//唤醒
+uint8_t W25QXX_Write_Page_Only(uint8_t* pBuffer,uint16_t WriteAdd);